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Built · v1.0.0

Geo-Locked

Voice notes, photos and messages pinned to real places that only open in person.

Leave a voice note, photo or message pinned to a real place. It only unlocks when someone is physically standing there. Use it for proposals, memorials, city treasure hunts, or notes to a future version of yourself.

Platforms
Android, iOS
Version
1.0.0
Built with
Flutter, flutter_map, geolocator, record, audioplayers, image_picker

Try it

Use Geo-Locked right here

This is the real app, built for the web. Tap the screen to use it, no install needed.

Uses your browser's location. The sample notes are pinned in New York, so you'll see how far away they are.

Open full screen ↗
Satellite map with sealed notes and nearby cards
Satellite map with sealed notes and nearby cards
Standing at the spot: ready to unlock
Standing at the spot: ready to unlock
An unlocked voice note with its message
An unlocked voice note with its message
Leave something behind: creating a pin
Leave something behind: creating a pin
A time capsule that opens in 213 days
A time capsule that opens in 213 days
The vault: notes waiting in hidden places
The vault: notes waiting in hidden places

What it does

  • Pin a voice note, photo or written message by dragging the map to the spot
  • Unlock radius from 20 to 500 m; the note opens only when your GPS position is inside it
  • Time capsule: also lock a note until a date ("Dear future me")
  • Satellite and street maps, nearby cards that tell you how far to walk, and pins that pulse when you're close
  • A vault of every pin you've made, filterable by category (proposal, memorial, treasure hunt…)

How it’s built

  • Unlock rules check a live location stream against the pin's radius, with a small allowance for GPS accuracy
  • Free Esri World Imagery and World Street Map tiles through flutter_map, with no API key
  • Motion pass: springy presses, a gliding map and dedicated unlock and seal moments
  • Promo banners built from real screenshots of a reproducible demo build

Geo-Locked privacy policy

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