✨ AI-Powered Smart Notes

Your Personal
Inspiration Notebook

Jot it down, clip what you read — let AI sort out the rest.
Highlight text in any app and save it with its source, time and place.

↓

Built for Inspiration

From rich text editing to AI analysis, ThoughtEcho provides everything you need

🎨 Tailored for You

Freely combine rich feature modules to create your exclusive recording space

✍️

Rich Text Notes

Powerful editor with formatting, images, audio, video & more

  • Media & Live Photos support
  • Compact card preview with adaptive thumbnails
  • Smooth scrolling & instant media previews
🏷️

Tags & Search

Multi-tag filters, smart facets, full-text search

  • Multi-dimension filter
  • Fast full-text search
🎯

AI Card Generation

Convert notes into beautiful shareable cards with templates

⚡

Quick Capture

Clipboard watcher & system-wide excerpt, capture ideas the moment they strike

📖

Daily Quote

A daily quote right on the homepage with curated sources — tap to copy, double-tap to save as a note

  • Multiple quote sources
  • AI daily writing prompts
🎨

Handcrafted Paper & Ink Customization

Paper & Ink, Plain, and Material 3 styles. Built-in Noto Serif SC font with 4 custom ink colors (Umber, Celadon, Indigo, Cinnabar)

  • Paper & Ink and Plain paper themes
  • Umber, Celadon, Indigo, Cinnabar ink accents
  • Built-in elegant serif typography (Noto Serif SC)
🔔

Smart Push

Daily quotes & past note recall to awaken memories

💡 Understanding You

AI-empowered context awareness and inspiration, becoming your second brain

✨

Thoughter Agent (Beta)

An AI agent living in your notes: searches your notes and the web on its own, then creates or edits notes with your approval

  • Q&A, polish & continuation
  • Creates & edits rich-text notes
  • Long-term memory & preferences
  • Web search & page reading
  • Multi-AI provider support
🌍

Context Capture

Auto-save location, weather, and time context

📊

Insights & Reports

Periodic data overview, AI summaries & trend analysis

📝

Smart Polish

AI helps polish text, continue ideas, making expression clearer

🌤️

Contextual Prompts

Personalized prompts based on weather, location & time

🛡️ Safe & Secure

Local-first, privacy-focused, on-device intelligence. Your data, fully under your control

🔒

Local-First & Multi-Device Sync

Notes stay securely on your device by default. Sync directly across devices on Wi-Fi without server tracking, or back up to your private cloud

  • Smart incremental sync — transfers only new or changed notes
  • Zero-data direct Wi-Fi sync with no third-party servers
🙈

Hidden Notes

Hidden tags with biometric authentication to protect private notes

💾

Auto-Save Drafts

Auto-save drafts while editing, recover on next launch

📦

Backup Hub

Full ZIP backup & restore. Easy data migration

🗑️

Recycle Bin

Deleted notes stay safely in Recycle Bin first; custom retention days with auto-cleanup

🚫

Zero Privacy Tracking

No commercial tracking. Crash diagnostics and the User Experience Improvement Program are strictly opt-in and disabled by default

🔑

Encrypted Storage

Sensitive info like API Keys uses system-level encrypted storage

🚀 Open & Free

Open source, cross-platform sync, no vendor lock-in. True digital freedom

📖

Open Source

MIT Licensed, fully open source code, community audited

🔄

Model Freedom

Support OpenAI, Claude, DeepSeek & more. Switch anytime

📱

All Platforms

Windows and Android supported. Record anywhere

🔌

Bring Your Own & Local AI

Connect to custom API endpoints or offline local models like Ollama

📲

Note Sync

LAN direct sync & WebDAV cloud backup for seamless access

Beautiful UI, Just a Tap Away

Click any image to view full size

Modern Tech Stack

Cross-platform app built with Flutter, powered by cutting-edge AI

📱

Flutter (Dart)

Cross-Platform Framework

⚙️

Reactive State

On-demand UI updates, lightweight & reliable

🗄️

Local SQLite

100% offline local storage, reliable & fast

📝

Rich-Text Engine

Clean formatting with rich media layout

✨

Open AI Support

OpenAI, DeepSeek, Ollama

💾

Efficient Key-Value Storage

Fast local config & draft persistence

🔒

System Keystore Storage

API keys managed securely by system keychain

🎬

Media Management

Adaptive thumbnails & incremental sync

🌐

Cross-Device Consistency

Windows, Android, iOS (IPA)

Get Started in 3 Steps

No account needed — download and go

1 Download & Install

Pick your platform in the download section: Microsoft Store for Windows (auto-updates), or grab the APK for Android. No sign-up, no login.

2 Capture Your First Idea

Open the app and tap "+" to start writing. Rich text, images, audio and video are all supported, with location and weather attached automatically. Everything stays on your device.

3 Enable AI Features (Optional)

All note features work without AI. When you want AI Q&A and insight reports, add any provider's API Key in settings (OpenAI, DeepSeek, Qwen and more — or run Ollama locally, free and offline).

💻 Developer?

Built with Flutter, MIT licensed. Visit the GitHub repo to read the source, build from source, or contribute.

Charting the Evolution of ThoughtEcho

From inspiration to product, ThoughtEcho is always evolving

🚀

v4.1.0 Footprint Wander & Thoughter Deep Roaming

  • Footprints & Places: Search nearby places with clear city-district labels, and revisit notes on a map in Explore
  • Thoughter Dreaming & Guidance: Reflects on writing preferences when idle, interactive choices help refine ideas, memories stay under your control
  • Copy Note Content: Added one-tap note copying from card menu, with automatic source formatting for tidy sharing
  • Reliability & Polish: Hardened WebDAV sync security, reduced memory overhead, and multi-select chat cleanup
🚀

v4.0.0 Thoughter AI Companion & Handcrafted Themes

  • Thoughter AI: Connects with your notes to organize ideas and polish writing; suggestions apply only with your approval
  • Handcrafted Themes: New "Paper & Ink" and "Plain" styles with warm serif typography and 4 curated inks
  • Cleaner Layout & Fluid Scrolling: Compact photo previews and smoother list scrolling for effortless reading
  • Sync & Reliability: Faster local Wi-Fi transfer, hardened WebDAV cloud sync, and improved data protection
✨

v3.7.0 Experience Upgrade

  • Experience Optimization: App fluency optimization and bug fixes
  • WebDAV Sync: Brand new WebDAV support (Beta)
  • PDF Export: Support exporting notes in PDF format
  • Security & Stability: Enhanced core security to keep your data safe
✨

v3.6.0 Experience Upgrade

  • Trash & Data Safety: Brand new Trash feature with accidental deletion protection and customizable retention days
  • Daily Quotes: Multi-provider support for richer daily inspirations
  • Efficiency: Option to enter full-screen editor directly, and show last edited time in note list
  • Feedback: Dedicated feedback page with GitHub Issue templates and Discussions
🎂

v3.5.0 1st Anniversary Edition

  • Anniversary: 1st anniversary milestone with special in-app celebratory animations
  • Media: Integrated with FrameEcho to support direct viewing & playback of Google Motion Photos
  • Capture: System-wide excerpt (Android Only) with auto-prepopulated info, and default note templates
  • Smart Push: Overhauled push system prioritizing past precious notes
🚀

v3.4.0 Major Update

  • Auto-save Drafts: Never lose your work with auto-save & recovery
  • Privacy: Hide specific notes behind biometric authentication
  • AI Cards: Enhanced shareable card generation with beautiful templates
  • UX Enhanced: Added Japanese support & auto-attach location/weather
❄️

v3.3.0 Winter Update

  • Dark mode visual overhaul
  • Full English localization
  • Enhanced image zoom & preview
  • Windows data storage optimized
🎉

v3.0.0 Stable Release

  • Stable & Polished foundation
  • Powerful Thoughter toolkit
  • Architecture refactored for scale
🎨

v2.0.0 Evolution

  • Material 3 Modern UI/UX
  • Full-screen rich text editor
  • Auto weather & location capture
🌱

v1.0.0 Genesis

  • Foundational core architecture
  • Basic note taking features

Q & A

Let's freely record with ThoughtEcho

Choose your platform and start capturing ideas

GitHub Releases

Download for Windows, Android & more

GitHub Download Latest

or download APK installer directly

App Stores

Get from official stores with auto-updates