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.
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.
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.
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.
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.
Document Scanner PDF — turn paper into clean multi-page PDFs. Auto edge detection, perspective correction, filters, library. iOS + Android.
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.
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.
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.
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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