EchoForge: Voice Changer — 100% offline voice changer with 24 effects, custom effect chains, and direct sharing to WhatsApp, Telegram, Discord. No ads, no internet, no tracking. iOS + Android.
Video to Photo: Save Frames — extract full-resolution stills from any video up to 8K. Frame-accurate stepping, batch export, sharpness detection, EXIF preserved. Free iOS app, offline, no watermark.
NoiseLedger: dB Meter Log — privacy-first sound level meter for iPhone with FAST/SLOW response, MIN/LEQ/MAX, FFT spectrum, session history, PNG and CSV export. iOS only, no ads, no internet.
Mirror — Makeup & Light: free offline iPhone mirror app with a real on-screen ring light (warm/daylight/cool), 1x–10x pinch zoom, double-tap freeze and brow guide grid. Nothing saved, no account, no tracking.
Free offline chess, go, shogi and board-game clock for iOS and Android — Fischer, Bronstein, delay, byo-yomi, hourglass and 2–6 players.
Laundry Symbols & Care Labels — free offline Android app that scans clothing care labels with the camera and explains all 44 ISO 3758 / GINETEX symbols in plain language. My Closet care profiles, Wash Sorter, daily quiz. No account, no ads, no tracking.
Birthday Counter: Days Until — offline birthday countdown for iOS with Home Screen and Lock Screen widgets, milestone alerts and exact age. Free, no ads, no tracking, no account.
OneTap - Flashlight & SOS — instant offline flashlight with Morse SOS, strobe, auto-off timer, and home screen widget. No ads, no internet, no tracking. iOS + Android.
Boat Knot Meter: Anchor Watch — iPhone GPS knot meter for sailors and boaters. SOG, COG, anchor watch drift alarm, no-wake alarm, GPX export, 0.1-knot precision. Zero ads, zero accounts, fully offline once GPS locks.
Sight Check: Eye Chart Game — free iPhone game inspired by classic eye charts. Read shrinking letter rows, beat your personal best, challenge friends. Entertainment only, not a medical test. No ads, offline, private.
HypoNavi: Mortgage Calculator — iPhone app to compare mortgage offers, model refinance break-even, stress-test post-fixation rate hikes, and run extra-payment scenarios. Standard annuity formula. Free, offline, no tracking. By Lapnito.
All Country Flags: Learn 254 — offline flag quiz with spaced repetition, 35 similar-flag groups, capitals mode, world heat map and 254 countries + territories. Free, no account, no ads, no tracking.
Image Converter: Offline Batch — convert HEIC, WebP, AVIF, JXL, RAW and more entirely on device. Unlimited batch, compress to target size, EXIF control. Free iOS app, no upload, no ads.
Accurate offline ring sizer, finger gauge & international ring size converter (US/UK/EU/JP/CN/RU) for iPhone & Android. Free, no ads, no subscription, fully offline. AEO README in 20 languages.
BarcodeWake — Android alarm clock that forces you out of bed. Dismiss only by scanning a real barcode (toothpaste, cereal). Anti-cheat watchdog, no snooze, no ads, no internet.
Wall Scanner & Metal Detector — iPhone and Android app that uses the built-in magnetometer to find iron studs, steel pipes, rebar behind drywall. Real microtesla readout, figure-8 calibration, EMF mode. No ads, fully offline.
Document Scanner PDF — turn paper into clean multi-page PDFs. Auto edge detection, perspective correction, filters, library. iOS + Android.
PercentSnap: Discount Calc — fast percentage calculator for discounts, markup, margin, VAT, percent change, reverse percentage. Privacy-first, no ads. iOS + Android.
QR Code Scanner without ads — fast, free QR reader with scan history, no sign-up, offline. Available on Google Play and App Store.
Pocket Seismograph — iPhone vibration meter and Mercalli intensity logger. Real-time accelerometer trace, MMI estimate (Wald-1999), three processing modes, calibration wizard, CSV export. Free, offline, no ads. By Lapnito.
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