Windows
Official store release with quiet background updates. Global excerpt hotkeys & Thoughter companion.
Windows 10 (1809+) & Windows 11
Get ThoughtEcho
Capture ideas instantly, reflect without friction. Local-first note-taking across all your devices.
Local-First Privacy
Free & Open Source
Zero Ads · No Sign-up
Direct LAN & Private Cloud Sync
Android
Fast APK direct download. System text clipping, home widgets, LAN fast transfer & WebDAV cloud sync.
Android 8.0+ (ARM64)
iOS / iPadOS
App Store release in progress. Geeks can sideload the unsigned IPA via TrollStore, AltStore, or Sideloadly.
iOS / iPadOS 15.0+
Get IPA on GitHub
Supports AltStore / TrollStore / Sideloadly
Frequently Asked Questions
Android prompt shows "Unknown Source"?
ThoughtEcho is 100% open-source and clean. APKs are built directly on GitHub. Safely tap "Allow" or "Trust source" in your system prompt.
Is my data safe and private?
Local-first by design. No account required. All notes remain securely on your local device. Diagnostics and the User Experience Improvement Program are strictly opt-in and disabled by default.
How to sync across multiple devices?
Supports zero-traffic LAN direct transfer on the same Wi-Fi, and encrypted incremental sync via WebDAV (Jianguoyun, Nextcloud, etc.).
How to enable Thoughter AI features?
Enter your API Key in Settings (supports DeepSeek, OpenAI, Ollama, Claude, etc.). All core note and excerpt features work 100% free without AI.