CoThinker Keyboard is an intelligent thinking layer for Android. It replaces tedious typing with intuitive voice thinking, instant prompt enhancement, and executive-grade rewriting across every app you use.
Built for people who think faster than they type
Think out loud.
CoThinker does the rest.
Turn half-formed thoughts into clear, executive-grade instructions and text directly from your Android keyboard.
Hold Mic • Speak Naturally
Get on Google PlayFree on Android • Direct system keyboard install
One CoThinker.
Every model.
Prepare clearer intent once, then use it in the AI and writing tools already in your workflow.
ChatGPTClaudeGeminiCursorChatGPTClaudeGeminiCursorChatGPTClaudeGeminiCursorChatGPTClaudeGeminiCursorChatGPTClaudeGeminiCursorChatGPTClaudeGeminiCursor
NotionSlackGmailApple NotesVS Code / editorsNotionSlackGmailApple NotesVS Code / editorsNotionSlackGmailApple NotesVS Code / editorsNotionSlackGmailApple NotesVS Code / editorsNotionSlackGmailApple NotesVS Code / editorsNotionSlackGmailApple NotesVS Code / editors
Capabilities
Keyboard Modes
See in action
One keyboard.
Every mode of thought.
Everything happens directly within your keyboard. No app switching, no clipboard hijacking, no clumsy prompt windows.
Thought → TextLocal Transcription
Quick Voice
Hold the spacebar or mic button, articulate thoughts freely, release. Local private transcription formats punctuated sentences instantly.
Rough → Polished1-Tap Clarity
Instant Enhance
Select any drafted message and tap Enhance. Structural clarification removes fluff and boosts clarity without altering meaning.
Text + Voice → RewriteHeadline Feature
Spoken Scribe
Highlight incoming text or drafted points, hold mic, state "make this concise and ask for Friday". Watch the rewrite happen inline.
Every Android AppUniversal Buffer
System Keyboard
Universal compatibility across WhatsApp, Slack, Telegram, Gmail, LinkedIn, and browser inputs with zero copy-pasting.
Type at the speed of thought.
Speak freely. Clarify instantly. Across every Android app.
One keyboard. Three engines.
Quick Voice
Hold SpacebarSpeak at the speed you think.
✕
Listening...00:14 / 01:00
✓“Draft a product roadmap for Friday 3 PM...”
Enhance
1-TapRough draft into executive clarity.
“make board fast no schema breaks”
Enhanced preview
“Optimize performance speed while preserving existing database contracts.”
Scribe
Voice + Text EditEdit text with a spoken command.
Tell Scribe What to Write00:08 / 01:00
“Soften tone and propose Monday validation”
Native Android IME•On-Device Whisper Voice•Zero Keystroke Logging
Get CoThinker Pro
Supercharge your typing with full AI capability
1 Unified AccountMac, Android & WebCancel anytime
Free
StandardCore typing & daily free AI limits
₹0/ forever
Free Android system keyboard for daily use
Included with Free:
- 10 Scribe voice-to-text / day
- 10 Enhance & grammar fixes / day
- Unlimited Mic speech-to-text dictation
- Standard keyboard typing ergonomics
Download Free Keyboard
Available on Google Play Store
CoThinker Pro
Unlimited intelligence & voice
Monthly
₹399.00/mo
Billed monthly
Save 38%
Annual₹399.00/mo
₹249/mo
₹2,999.00/yr billed yearly
Included with CoThinker Pro:
- Unlimited Voice Scribe in any app
- Smart AI rewrites, grammar fix & tone match
- 100+ language transcription with instant clean-up
- Sentence completions & brain dump structuring
- 1 Pro account for Android & Mac in sync
- Sub-second AI fast-lane, no queue
- Priority 24/7 dedicated support
Secured by Razorpay · Auto-syncs across Mac & Android
Google Play securely handles in-app purchases and Razorpay handles web subscriptions. 1 account unlocks Pro everywhere.
Turn thoughts into instructions AI can use.
Bring the next thought straight to a better first draft.
Available on Android • Native on macOS