# Celestial Infosoft

> App hub and plain-language guides for the Android and iPhone apps from the Celestial Infosoft network. Simulator apps are labelled as games; benefits and loan apps are labelled as unofficial information.

## Guides
- [10 formas de ahorrar energia en casa y reducir el recibo de luz](https://celestialinfosoft.net/blog/ahorrar-energia-hogar-mexico/): Diez habitos practicos para bajar el consumo de electricidad en casa: iluminacion, aire acondicionado, refrigerador y aparatos en espera.
- [Alarm not ringing on Android? 8 fixes that work](https://celestialinfosoft.net/blog/alarm-not-ringing-android-fix/): Why an Android alarm stays silent or fires late, and the settings to check: volume, Do Not Disturb, battery limits and exact-alarm permission.
- [How to back up and restore contacts on Android](https://celestialinfosoft.net/blog/backup-restore-contacts-android/): Back up your contacts with your Google account or a VCF file, restore them on a new phone and avoid duplicates and lost numbers.
- [Android developer verification in 2026: what changes for users and app publishers](https://celestialinfosoft.net/blog/android-developer-verification-2026-explained/): Google plans developer verification for Android apps, starting in a few countries from 30 September 2026. What was reported, who it affects and what to do.
- [Android alarm volume and Do Not Disturb explained](https://celestialinfosoft.net/blog/alarm-volume-do-not-disturb-android/): How the four Android volume sliders differ, and how to keep alarms audible at night while silencing everything else.
- [Bitcoin, Ethereum and USDT: the basics in plain English](https://celestialinfosoft.net/blog/bitcoin-ethereum-usdt-basics/): What BTC, ETH and USDT are, how they differ, why Ethereum can no longer be mined and why a stablecoin is not an investment return.
- [Black Friday 2026 scam checklist: fake shops, fake delivery texts and card traps](https://celestialinfosoft.net/blog/black-friday-2026-scam-checklist/): Black Friday is 27 November 2026 and Cyber Monday is 30 November. A practical checklist to avoid fake stores, parcel texts and payment scams.
- [How to block spam calls on Android](https://celestialinfosoft.net/blog/block-spam-calls-android/): Block a number, filter suspected spam and report scam callers on Android, with the steps to try when blocked callers still get through.
- [How to block and report spam texts on Android](https://celestialinfosoft.net/blog/block-spam-texts-android/): Block spam SMS senders, switch on spam protection in your messages app and forward scam texts to 7726 where your carrier supports it.
- [How to set up call forwarding on Android](https://celestialinfosoft.net/blog/call-forwarding-android/): Forward calls to another number on Android, the difference between always, busy and unanswered forwarding, and how to turn it off.
- [CFE en 2026: cobro minimo en el recibo y tarifa de verano, que revisar](https://celestialinfosoft.net/blog/cfe-pago-minimo-tarifa-verano-2026/): Segun reportes de prensa, el recibo de la CFE incluye un cobro minimo y la tarifa de verano varia por region. Como verificar tus datos en fuentes oficiales.
- [Clocks go back in 2026: dates, what your phone does and how to protect your alarms](https://celestialinfosoft.net/blog/clocks-go-back-2026-phone-alarm-guide/): The clocks go back on 25 October 2026 in the UK and Europe and on 1 November in the US. Check your phone, fix alarms and ease the sleep change.
- [Benefits guide apps: how to check what you read](https://celestialinfosoft.net/blog/check-benefits-info-apps/): Information apps about benefits, aid payments and utility bills are not official services. How to verify details before you act on them.
- [How to compare loan offers: APR, fees and total cost](https://celestialinfosoft.net/blog/compare-loan-offers-apr/): Compare loans by APR, fees, term and total repayable, spot hidden costs and avoid predatory lenders.
- [Crypto cloud mining simulator apps: what they are and what they are not](https://celestialinfosoft.net/blog/crypto-mining-simulator-apps-explained/): What a cloud mining simulator app is, why its balance is virtual, and how to tell a game from a real cloud mining scam.
- [Cloud mining scam red flags: 10 warning signs](https://celestialinfosoft.net/blog/cloud-mining-scam-red-flags/): Ten warning signs of a cloud mining or crypto earning scam, what to do if you already deposited money and how to report it.
- [Como leer tu recibo de luz de la CFE paso a paso](https://celestialinfosoft.net/blog/como-leer-recibo-luz-cfe/): Explicacion de las partes de un recibo de luz de la CFE: numero de servicio, tarifa, periodo, consumo en kWh, importe y fecha limite de pago.
- [How to use your own song or sound as an alarm tone on Android](https://celestialinfosoft.net/blog/custom-alarm-tone-android/): Pick a custom alarm tone from your files or music app, why the file must be stored on the phone and how to keep the alarm loud and reliable.
- [Cybersecurity Awareness Month: 10 phone habits that stop most attacks](https://celestialinfosoft.net/blog/cybersecurity-awareness-month-phone-habits/): October is Cybersecurity Awareness Month. Ten simple habits for your phone: updates, passwords, two-factor, app permissions and scam checks.
- [Privacy checklist for period and cycle tracking apps](https://celestialinfosoft.net/blog/cycle-tracking-privacy-checklist/): Eight questions to ask before trusting a cycle tracker with sensitive health data: what it collects, where it is stored, who can see it and how to delete it.
- [Downloading videos: what is allowed and what is not](https://celestialinfosoft.net/blog/download-videos-legally/): When saving a video is legal or permitted, why many platform terms forbid downloads and safer ways to watch offline.
- [How to free up storage taken by videos on Android](https://celestialinfosoft.net/blog/free-up-storage-videos-android/): Find which videos use the most space on Android, move them to the cloud or an SD card and set apps to stop saving duplicates.
- [What FTC actions against fertility apps teach about health-data privacy](https://celestialinfosoft.net/blog/ftc-fertility-app-privacy-lessons/): US regulators have acted against period and fertility apps for sharing sensitive health data. What happened and a short checklist for users and app owners.
- [Tramites del IMSS: que datos necesitas y como verificar la informacion](https://celestialinfosoft.net/blog/guia-tramites-imss-que-verificar/): Guia informal sobre terminos comunes del IMSS como NSS, CURP y vigencia de derechos, y como confirmar todo en los sitios oficiales.
- [Google Play's Android 16 (API 36) deadline: what app owners must do in 2026](https://celestialinfosoft.net/blog/google-play-android-16-target-api-deadline-2026/): From 31 August 2026 new Google Play apps and updates must target Android 16 (API 36). What it means for owners with many apps, extensions and a checklist.
- [Horario de invierno 2026 en Mexico: quien cambia la hora y como revisar tus alarmas](https://celestialinfosoft.net/blog/horario-de-invierno-2026-mexico-alarma/): El 1 de noviembre de 2026 solo cambia la hora en la frontera norte de Mexico. Que pasa con tu celular, tus alarmas y tu sueno.
- [Hash rate explained: H/s, TH/s and EH/s in plain English](https://celestialinfosoft.net/blog/hash-rate-explained/): What hash rate measures, how to read units from H/s to EH/s and why a hash-rate number in a simulator app means nothing.
- [How Bitcoin mining actually works](https://celestialinfosoft.net/blog/how-bitcoin-mining-works/): A plain explanation of proof of work, blocks, difficulty and the block reward, and why phones and free apps cannot mine Bitcoin profitably.
- [How EMI is calculated: formula, worked example and flat vs reducing rates](https://celestialinfosoft.net/blog/how-emi-is-calculated/): The EMI formula with a worked example, how interest is split from principal, and why a flat rate costs more than a reducing-balance rate.
- [How caller ID works, and why it is sometimes wrong](https://celestialinfosoft.net/blog/how-caller-id-works/): Where the name on an incoming call comes from, why numbers can be faked and how spam labels are decided.
- [How period tracker apps work, and what they cannot do](https://celestialinfosoft.net/blog/how-period-trackers-work/): How cycle predictions are calculated from your logged dates, why they can be off and why a tracker is not a contraceptive or a diagnosis.
- [Irregular periods: when to see a doctor](https://celestialinfosoft.net/blog/irregular-cycles-when-to-see-a-doctor/): Common signs that a cycle change should be checked by a clinician, and how to use your tracker log to make the appointment more useful.
- [Loan prepayment: should you reduce the EMI or the tenure?](https://celestialinfosoft.net/blog/loan-prepayment-reduce-emi-or-tenure/): How a part-payment works, why shortening the term usually saves more interest and the charges to check before prepaying a loan.
- [Light bulb security cameras: setup tips and limits](https://celestialinfosoft.net/blog/light-bulb-camera-setup-tips/): How a light bulb security camera works, why the switch must stay on, Wi-Fi and fitting tips, and when a different camera is the better choice.
- [The four phases of the menstrual cycle, explained](https://celestialinfosoft.net/blog/menstrual-cycle-phases-explained/): A plain overview of the menstrual, follicular, ovulation and luteal phases, what typically happens in each and why timing varies between people.
- [Novexa Leads explained: business contact lists by city and trade, and how to judge any list before you buy](https://celestialinfosoft.net/blog/novexa-leads-business-contact-lists-guide/): What Novexa Leads sells, how its city-and-trade business datasets, free sample and fixed pricing work, and a checklist for evaluating any B2B list vendor.
- [How to get more organic app installs: an ASO and content checklist for 2026](https://celestialinfosoft.net/blog/organic-app-installs-aso-checklist/): A practical checklist for Google Play and App Store optimisation: title, keywords, screenshots, ratings, a privacy page and a supporting content site.
- [PMS symptom tracking: what to log and how to read the pattern](https://celestialinfosoft.net/blog/pms-symptom-tracking-tips/): Which symptoms to log across a cycle, how to spot a pattern after two or three months and when strong mood symptoms deserve medical advice.
- [Home security camera placement and privacy rules](https://celestialinfosoft.net/blog/security-camera-privacy-placement/): Where to put a home security camera for the best view, what areas to avoid and the privacy and security basics that keep your footage safe.
- [How to set reminders you will actually act on](https://celestialinfosoft.net/blog/reminders-that-work/): Reminder design that works: one clear action, a trigger you cannot miss and the right lead time, plus Android settings that keep reminders reliable.
- [How to change your default phone app on Android](https://celestialinfosoft.net/blog/set-default-phone-app-android/): Steps to choose which dialer or messages app Android uses for calls and SMS, and how to switch back.
- [Stimulus check and government aid payment scams: how to spot them](https://celestialinfosoft.net/blog/stimulus-payment-scams/): Scammers use stimulus and aid payments as bait. How to recognise fake texts, calls and sites, and where to check official information.
- [How to spot fake government websites and paid look-alike services](https://celestialinfosoft.net/blog/spot-fake-government-websites/): Check the domain, the fee and the contact details to tell official government sites from look-alike pages that charge for free services.
- [Tarifas domesticas de la CFE explicadas: 1, 1A a 1F y DAC](https://celestialinfosoft.net/blog/tarifas-cfe-domesticas-explicadas/): Que significan las tarifas domesticas de la CFE, por que dependen de la temperatura de tu region y que pasa si tu consumo es alto.
- [Time blocking with a calendar app: a simple weekly method](https://celestialinfosoft.net/blog/time-blocking-calendar-app/): Plan your week by giving every important task a slot on your calendar, with a 15-minute Sunday routine and rules that stop plans collapsing.
- [Unpaid toll and parcel text scams in 2026: how they work and what to do](https://celestialinfosoft.net/blog/toll-and-delivery-text-scams-2026/): Fake toll and delivery texts are a leading smishing scam. How to recognise them, what to do if you tapped, and where to report them.
- [Universal Credit basics: how to apply and what to expect](https://celestialinfosoft.net/blog/universal-credit-basics/): A plain overview of Universal Credit in the UK: who applies, how the monthly payment works, the wait for a first payment and how to avoid scams.
- [Universal Credit news: how to tell a real DWP announcement from clickbait](https://celestialinfosoft.net/blog/universal-credit-news-real-vs-clickbait/): Many sites publish alarming Universal Credit headlines. A simple method to verify changes on GOV.UK and spot recycled or misleading benefit news.
- [Video formats explained: MP4, MKV, H.264 and HEVC in plain English](https://celestialinfosoft.net/blog/video-formats-explained/): What a video container and a codec are, why some files will not play, and how resolution and bitrate affect size and quality.
- [How to wake up more easily: practical alarm tips](https://celestialinfosoft.net/blog/wake-up-easier-alarm-tips/): Simple habits and alarm settings that make waking up easier, without gimmicks: consistent times, light, distance and smarter snooze use.
- [Wi-Fi calling explained: when it helps and how to turn it on](https://celestialinfosoft.net/blog/wifi-calling-explained/): What Wi-Fi calling is, which phones and carriers support it, how to enable it on Android and what to know about emergency calls.
- [What is a blockchain? A simple explanation with an example](https://celestialinfosoft.net/blog/what-is-a-blockchain/): A beginner-friendly explanation of blocks, chains, nodes and consensus, and why a blockchain is hard to alter.
- [Wi-Fi security camera offline? A step-by-step troubleshooting guide](https://celestialinfosoft.net/blog/wifi-camera-offline-troubleshooting/): Why a Wi-Fi camera shows as offline and how to fix it: power, signal, 2.4 GHz band, router settings, firmware and a safe reset.
- [A 20-minute weekly review checklist for your calendar and tasks](https://celestialinfosoft.net/blog/weekly-review-checklist/): A short weekly review: clear your inbox, check last week, plan the next one and choose three priorities, with a printable checklist.
- [What a Mobile App Privacy Policy Should Include](https://celestialinfosoft.net/blog/app-privacy-policy-what-to-include/): A section-by-section outline of an app privacy policy: data collected, purposes, sharing, retention, children, user rights, contact and changes, plus hosting tips.
- [App Store Keyword Research: A Practical Method](https://celestialinfosoft.net/blog/app-store-keyword-research-guide/): A step-by-step ASO keyword research method: seed terms, long-tail phrases, competitor review, search suggestions, natural placement in listing fields, and iteration.
- [App Icon and Screenshot Best Practices](https://celestialinfosoft.net/blog/app-icon-and-screenshots-best-practices/): Store listing visuals: icon principles, the first three screenshots, captions, localisation, device frames, listing experiments and what not to claim.
- [How to Ask for App Reviews the Right Way](https://celestialinfosoft.net/blog/ask-for-app-reviews-the-right-way/): Collect genuine ratings with the Google Play In-App Review API and Apple's SKStoreReviewController: timing, no incentives, no sentiment gating, and replying well.
- [App Store Privacy Labels: A Publisher's Guide](https://celestialinfosoft.net/blog/app-store-privacy-labels-guide/): How to complete Apple's App Privacy details: data types, linked to user, tracking, third-party SDK disclosure, the privacy policy URL, and keeping labels current.
- [Camera Night Vision and Motion Alerts Explained](https://celestialinfosoft.net/blog/camera-night-vision-and-motion-alerts-explained/): How infrared night vision works, why images turn black and white, how to avoid glare, and how to tune motion detection and storage to cut false alarms.
- [app-ads.txt Explained for App Publishers](https://celestialinfosoft.net/blog/app-ads-txt-explained/): What app-ads.txt is, why it exists, where to host it, how the line format works, common mistakes, how long crawlers take, and how to check status in AdMob.
- [Credit Score Basics: What It Is and How to Improve It](https://celestialinfosoft.net/blog/credit-score-basics-explained/): A country-neutral explainer of credit scores: what affects them, how to check your report free through official channels, dispute errors and build better habits.
- [Google Play Data Safety Form: A Practical Guide](https://celestialinfosoft.net/blog/google-play-data-safety-form-guide/): How to fill in the Google Play Data safety section accurately: collected vs shared data, SDK disclosures, encryption, deletion, and policy consistency.
- [Instant Loan Apps: Risks and Red Flags to Watch For](https://celestialinfosoft.net/blog/instant-loan-apps-risks-and-red-flags/): How to recognise predatory instant loan apps: short terms, hidden fees, invasive permissions, harassment and upfront-fee scams, plus safer alternatives.
- [Managing a Portfolio of 10 to 50 Apps: A Checklist](https://celestialinfosoft.net/blog/manage-a-portfolio-of-apps-checklist/): A checklist for running 10-50 apps: inventory, naming, versioning, deadlines, store monitoring, SDK updates, compliance review, retirement and documentation.
- [Pomodoro and Focus Techniques That Work With Your Calendar](https://celestialinfosoft.net/blog/pomodoro-and-focus-techniques-with-calendar/): Combine Pomodoro, timeboxing and deep-work blocks with calendar events and reminders. Includes an example day, interruption tips and who each method suits.
- [Social Security Scams: How to Spot Them and What to Do](https://celestialinfosoft.net/blog/social-security-scams-how-to-spot/): Learn the common scripts used in Social Security impersonation scams, what the SSA does and does not do, and how to verify a contact and report fraud.
- [The Universal Credit Journal: How It Works and How to Use It](https://celestialinfosoft.net/blog/universal-credit-journal-how-it-works/): A plain guide to the Universal Credit online journal: logging in through GOV.UK, what to record, reading messages, keeping evidence and avoiding scams.
- [How to Verify IRS Letters and Notices Before You Respond](https://celestialinfosoft.net/blog/verify-irs-letters-and-notices/): Learn how IRS notices normally arrive, how to read notice numbers and deadlines, spot fakes, pay only through official channels and keep good tax records.
- [Android Voicemail: Setup, PIN, and Fixing Missing Notifications](https://celestialinfosoft.net/blog/voicemail-setup-and-troubleshooting-android/): Set up voicemail on Android, record a greeting, change your PIN, understand visual voicemail and fix notifications that do not arrive.

## Apps
- [Alarm Clock](https://celestialinfosoft.net/apps/alarm-clock-android/): Google Play, Tools, by Orbitsoft studio
- [Alarm Clock & Loud Alarm](https://celestialinfosoft.net/apps/alarm-clock-loud-alarm-android/): Google Play, Productivity, by Clockwise Labs
- [All Video Downloader - VideoGo](https://celestialinfosoft.net/apps/all-video-downloader-videogo-android/): Google Play, Video Players, by ChainWave Interactive
- [Bluma Period Cycle Tracker](https://celestialinfosoft.net/apps/bluma-period-cycle-tracker-ios/): App Store, Health, by Trushalkumar Barvaliya
- [Bluma: Period & Cycle Tracker](https://celestialinfosoft.net/apps/bluma-period-cycle-tracker-android/): Google Play, Health And Fitness, by Bluma AI Technologies
- [BTC Cloud Miner Crypto Mining](https://celestialinfosoft.net/apps/btc-cloud-miner-crypto-mining-android/): Google Play, Game Simulation, by Bright Studio Game
- [BTC Cloud Miner Simulator](https://celestialinfosoft.net/apps/btc-cloud-miner-simulator-ios/): App Store, Finance, by Jemish Kalsariya
- [BTC Cloud Mining Simulator](https://celestialinfosoft.net/apps/btc-cloud-mining-simulator-android/): Google Play, Finance, by ADB oriya
- [BTC Crypto Mining Simulator](https://celestialinfosoft.net/apps/btc-crypto-mining-simulator-android/): Google Play, Finance, by Ved studio
- [BTC Mining Cloud Sim](https://celestialinfosoft.net/apps/btc-mining-cloud-sim-ios/): App Store, Finance, by Sahil Chakarani
- [BTC Mining Cloud Sim](https://celestialinfosoft.net/apps/btc-mining-cloud-sim-android/): Google Play, Finance, by Gupta studio
- [Calendar AI - Smart Planner](https://celestialinfosoft.net/apps/calendar-ai-smart-planner-android/): Google Play, Productivity, by Orbitsoft studio
- [CashLoan: EMI Loan Guide](https://celestialinfosoft.net/apps/cashloan-emi-loan-guide-ios/): App Store, Finance, by Jemish Kalsariya
- [ETH Cloud Miner Crypto Mining](https://celestialinfosoft.net/apps/eth-cloud-miner-crypto-mining-android/): Google Play, Game Simulation, by Bright Studio Game
- [ETH Cloud Miner Sim](https://celestialinfosoft.net/apps/eth-cloud-miner-sim-android/): Google Play, Finance, by Appboost studio
- [ETH Mining Ethereum Cloud Mine](https://celestialinfosoft.net/apps/eth-mining-ethereum-cloud-mine-android/): Google Play, Finance, by AppTool Tech
- [Ether Eth Cloud Mining Sim](https://celestialinfosoft.net/apps/ether-eth-cloud-mining-sim-android/): Google Play, Finance, by Appboost studio
- [Guia IMSS Tramites Consultas](https://celestialinfosoft.net/apps/guia-imss-tramites-consultas-android/): Google Play, Finance, by Giridhari Agrawal
- [Light Bulb Security Camera](https://celestialinfosoft.net/apps/light-bulb-security-camera-android/): Google Play, Business, by DC Business Grow
- [Messages: SMS Text Messaging](https://celestialinfosoft.net/apps/messages-sms-text-messaging-android/): Google Play, Communication, by Clockwise Labs
- [Phone Call](https://celestialinfosoft.net/apps/phone-call-android/): Google Play, Communication, by Clockwise Labs
- [Recibo Luz - Guia CFE](https://celestialinfosoft.net/apps/recibo-luz-guia-cfe-android/): Google Play, Finance, by Giridhari Agrawal
- [Track Stimulus check aid guide](https://celestialinfosoft.net/apps/track-stimulus-check-aid-guide-android/): Google Play, Finance, by ChainWave Interactive
- [Universal Credit Benefits Info](https://celestialinfosoft.net/apps/universal-credit-benefits-info-android/): Google Play, Business, by DC Business Grow
- [USDT Cloud Miner Crypto Mining](https://celestialinfosoft.net/apps/usdt-cloud-miner-crypto-mining-android/): Google Play, Game Simulation, by Bright Studio Game
- [USDT Mining Cloud Simulator](https://celestialinfosoft.net/apps/usdt-mining-cloud-simulator-android/): Google Play, Finance, by Ved studio
- [Virtual BTC Cloud Miner](https://celestialinfosoft.net/apps/virtual-btc-cloud-miner-ios/): App Store, Finance, by Jemish Kalsariya

## Other
- [Topics](https://celestialinfosoft.net/topics/)
- [About](https://celestialinfosoft.net/about/)