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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.

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.

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.

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.

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.

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.

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.

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.

Offline voice changer app for Android and iOS with 24 voice presets (Helium, Robot, Demon, Ghost, Megaphone, Telephone and more), drag-and-drop effect chain, pitch/reverb/echo/distortion sliders, recording, audio import, direct sharing to WhatsApp/Telegram/Discord. Built with Flutter, native DSP. No ads, no internet, no tracking. Free download on Google Play and the App Store.

Fast offline percentage calculator for Android and iOS. Task-shaped templates for sale price, original price, discount, markup, margin, VAT, percentage change, reverse percentage, tip split, compound growth, and percentage points. Built with Flutter. Free, no ads, no tracking, no account. Free download on Google Play and the App Store.

Offline trip cost calculator for Android and iOS. Compute fuel costs from distance + consumption + price, split gas between carpool passengers, add tolls and parking, save vehicles and routes, review trip history. Both metric (km, L/100 km) and imperial (mi, mpg) units. Built with Flutter. No ads, no tracking, no account, no cloud sync. Free download on Google Play and the App Store.

Instant flashlight app for Android and iOS with under 300ms tap-to-light, LED torch and screen-light modes (white/warm/red), international Morse SOS signal, adjustable strobe (1-20 Hz), auto-off timer, and home screen widget. Built with Flutter. No ads, no tracking, no network permission. Free download on Google Play and the App Store.

Precision color picker app for Android and iOS. Capture exact pixel colors from your camera or photos in HEX, RGB, HSL, and CMYK formats. Build palettes, check contrast, generate color harmonies, and match RAL paint codes. Built with Flutter. Free, no ads, no tracking. Export to CSS, JSON, or PNG for designer-to-developer handoff. Free download on Google Play and the App Store.

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.

articles on mobile development topics that were published on popular platforms.

Collection of iPA Trollstore