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ios-app

LumenLeaf: PPFD Grow Light — free iPhone PAR/PPFD/DLI meter for monstera, fiddle leaf, succulents, hydroponics, grow tents. Camera RAW + printer-paper diffuser, per-light-source coefficients. No ads, no account. By Lapnito.

NoiseLedger: dB Meter Log — privacy-first sound level meter for iPhone and Android with FAST/SLOW response, MIN/LEQ/MAX, FFT spectrum, session history, PNG and CSV export. No ads, no internet.

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.

Boat Knot Meter: Anchor Watch — iPhone GPS knot meter, anchor drift alarm, no-wake alarm, GPX export, 0.1-knot precision. Marine GPS for sailors, fishers, kayakers. Zero ads, zero accounts, fully offline.

HypoNavi: Mortgage Calculator — iPhone and Android 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.

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.

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.

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.

Bible multi languages, free, offline, no advertising in English, French, Italian, Spanish, Portuguese.

Little brother of BibleMultiTheLight (Android), with less functionalities.

For Android, iPhone, iPad, Big Sur, Mac and Linux.

Offline compass app for Android and iOS with True North (magnetic declination via World Magnetic Model 2025), real-time microtesla field-strength meter, magnetic interference detection, and Pin Direction bearing lock. Built with Flutter. No ads, no tracking, fully offline. Free download on Google Play and the App Store.

Moon Phase Calendar Offline — free iPhone lunar calendar using Meeus astronomical algorithms (NASA-grade, 1900-2100). Biodynamic Root/Leaf/Flower/Fruit (Maria Thun sidereal), solunar fishing/hunting (Knight 1926), astrophotography dark-sky window, eclipse table incl. 2 August 2027 total solar. Zero ads, zero tracking. By Lapnito.

Schengen 90/180 Counter — free iPhone app implementing Regulation (EU) 2016/399 Art. 6(2) short-stay methodology. Ghost Trip planner, multi-zone (Schengen/UK/US/tax residency), EES+ETIAS info, photo library trip reconstruction on-device. For post-Brexit British travelers, digital nomads, expats. No account, no tracking, offline. By Lapnito.

Caffeine Quit Streak Tracker — free iPhone app for quitting coffee, energy drinks, soda. Real-time streak counter, science-backed withdrawal phase timeline, money-saved tracker, milestone celebrations. No ads, no account, no in-app purchases. By Lapnito.

Mirror — Makeup & Light: free offline iPhone mirror app with a real ring light, warm/daylight/cool tones, 1x–10x pinch zoom, freeze-frame and brow guide grid. No photos, no account, no tracking. By lapnito.cz s.r.o.

All Country Flags: Learn 254 — offline flag quiz and learning app with spaced repetition, 35 similar-flag groups, capitals mode, world heat map and 254 countries + territories. No account, no tracking. By lapnito.cz s.r.o.

h3lix-RC6-patched ios 10.3.4 and lower 10.x.x

Free magnetometer-based stud finder + metal detector for iPhone and Android. Microtesla readout, figure-8 calibration, EMF mode. No ads, fully offline. By Lapnito.

Fast, offline document scanner for Android and iOS. Auto edge detection, perspective correction, multi-page PDF export, enhancement filters (B&W, Magic, grayscale). iOS version adds signature and redaction tools. Built with Flutter. Free, no ads, no tracking, no cloud upload. Free download on Google Play and the App Store.

Fast, privacy-first QR code scanner for Android and iOS. Decode QR codes from camera or photos, with local-only scan history. No ads, no sign-up, no tracking, no analytics SDK. Built with Flutter. Shows full decoded URL before opening to prevent phishing. Free download on Google Play and the App Store.

Precise digital bubble level, spirit level, inclinometer, and angle gauge for Android and iOS. Bullseye, horizontal, vertical, and slope measurement with degrees, percent, mm/m, and ratio units. Built with Flutter. OK/NEAR/OUT tolerance guidance, 180-degree calibration, Fast/Smooth/Precision filtering. Free download on Google Play and the App Store.