Install as an App (No App Store Needed)
This site is an installable web app (PWA): add it to your home screen and the compass, speedometer, converter, antipode and your saved places work offline, launched from an icon like any app — with none of an app store's tracking or updates. Installation takes about ten seconds.
If something doesn't work (troubleshooting)
- No “Add to Home Screen” on iPhone: you must be in Safari — the option is missing inside in-app browsers (Instagram, Gmail…). Open the site in Safari proper and retry.
- No Install option on Android: use Chrome (not Lite mode), visit twice if needed, and check the site is served over HTTPS (it is). Some vendor browsers hide PWA installs — Chrome always shows “Add to Home screen”.
- Installed app shows an old version: open it while online and pull-to-refresh (or just relaunch); the service worker updates in the background and applies on next start.
- Offline tools not working offline: launch the app once while online first — that visit downloads the offline bundle. Map tiles and address lookups always need a connection by nature.
- Storage worries: the whole offline bundle is under 2 MB — smaller than one photo. Uninstalling (long-press the icon) removes everything instantly.
What works offline after install
| Tool | Offline? | Why |
|---|---|---|
| Compass | ✅ fully | Magnetometer + math, no network involved |
| GPS speedometer | ✅ fully | GPS satellites don't need internet |
| Converter & antipode | ✅ fully | Pure client-side math |
| Saved places | ✅ fully | Stored on-device |
| Address lookup, weather, map tiles | ❌ needs network | Live external data by nature |
On the roadmap: daily sun & moon notifications
A frequently requested next step is a daily sunrise/sunset and moon-phase notification — “golden hour at 18:42 tonight, full moon rises 19:10”. We are designing it privacy-first, most likely as a calendar feed (ICS) you subscribe to — it computes a year of events for your chosen spot and your calendar app does the reminding, with no push servers involved — plus optional on-device notifications for the installed app. The full design options are documented in the project's future features notes. If this matters to you, tell us at [email protected] — early interest decides its priority.
Step by step
- iPhone / iPad (Safari): tap the Share button → scroll to “Add to Home Screen” → Add.
- Android (Chrome): tap the ⋮ menu → “Add to Home screen” (or tap the Install banner if one appears) → Install.
- Desktop (Chrome / Edge): click the install icon at the right end of the address bar → Install.
- Open the new icon once while online — that first launch caches the offline tools.