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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.

Sight Check: Eye Chart Game — free iPhone & Android 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.

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, 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.

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.

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.

MimiLog: Baby & Infant Log — free, offline baby diary for ages 0-3. Feeding, sleep, diaper, pump, growth and fever tracking. No ads, no signup, no subscription. iOS + Android.

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.

EarCheck: Hearing Test — free iPhone hearing age test game. Tones from low to ultra-high pitch, tap when you hear them, get your hearing age. No-cheat trap rounds, PDF score sharing. Offline, no ads, no data collected. Entertainment only — not a medical test.

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 and a daily quiz. No account, no ads, no tracking.

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.

Truly offline lossless music player for iPhone — MP3, FLAC, ALAC, WAV, OPUS, OGG with real gapless playback, crossfade, 10-band EQ, ReplayGain, Wi-Fi transfer and CarPlay. No ads, no subscription, no account.

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.

Free chess clock and board game timer for iPhone — Fischer, Bronstein, delay, byo-yomi, hourglass, 2-6 players, giant digits, 100% offline, no ads. By lapnito.cz s.r.o.

Free dog whistle, training clicker and guided recall/anti-bark programs for iPhone — speaker-routed, volume-capped, offline, no ads, no tracking. By lapnito.cz s.r.o.

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.

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.