CharacterKey - AI Keyboard
128-Bit Studios Tools In-app purchases
Transform text with AI characters. Rewrite as Shakespeare and many more!
- Rating
- 3.8
- 87 ratings
- Downloads
- 6.1K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Oct 1
- 2026 · v1.8.9
Screenshots
About CharacterKey - AI Keyboard
CharacterKey - Your AI-Powered Custom Keyboard
Transform your typing with the world's first AI character keyboard. CharacterKey replaces your standard keyboard with an intelligent typing companion that writes in any voice, style, or language you choose.
50+ PRE-MADE CHARACTERS
Choose from ready-to-use personalities:
- Brain Rot - Literally cooked fr
- Captain Obvious - States the obvious hilariously
- Corporate Speak - Professional business talk
- Crown & Quill - Elegant Bri-ish prose
- Darth Breather - Dark side communication
- Pirate Speak - Arrr, matey!
- Shakespeare - Classic poetic writing
- Surfer Speak - Chill beach vibes
- Yo Duh - Strong with the dialect, I am
...and 40+ more!
CREATE UNLIMITED CUSTOM CHARACTERS
Build your own AI personalities right from your keyboard:
- Name it anything
- Choose an emoji
- Write a custom prompt
- Save and reuse forever
- Infinite possibilities - no waiting for updates
- Turn any idea into a reusable writing tool
WORKS IN EVERY APP
No app switching. No copy-paste. Just install once and use everywhere: Messages, Instagram, X (Twitter), Discord, Reddit, Snapchat, Tinder, Gmail, WhatsApp, TikTok, Facebook, Telegram, Bumble, YouTube, Notes - literally ANY app with a text field.
MULTILINGUAL SUPPORT (20+ LANGUAGES)
- Built-in translator - Instant translation between languages
- Write in character voices in your native language
- Perfect for global communication
POWERFUL KEYBOARD FEATURES
- Rewrite - Transform any text into character voice
- Reply - AI generates contextual responses in character
- Grammar Fix - Instant corrections as you type
- Works with highlighted text OR clipboard
- One-tap to apply changes
- 10+ productivity characters for professional formatting
PERFECT FOR
- Dating apps - Stand out with witty, unique messages
- Social media - Create engaging, viral-worthy content
- Professional emails - Polish your communication instantly
- Group chats - Be the most entertaining friend
- Creative writing - Access instant character voices
- Everyday typing - Fix grammar and elevate your writing
PRIVACY FIRST
Your custom keyboard, your private data:
- We DON'T track your typing
- We DON'T store your messages
- We DON'T sell your data
- Full keyboard permissions are only used for AI features
- Your conversations stay 100% private
HOW IT WORKS
1. Download CharacterKey
2. Enable CharacterKey keyboard in your device Settings
3. Switch to CharacterKey in any app (just like switching to emoji keyboard)
4. Select a character or create your own
5. Tap "Rewrite" or "Reply" and watch the magic happen
No app switching. No copy-paste. Just pure AI-powered typing magic.
Terms of Use (EULA): https://characterkey.app/eula.html
Privacy Policy: https://characterkey.app/privacy.html
Transform your typing with the world's first AI character keyboard. CharacterKey replaces your standard keyboard with an intelligent typing companion that writes in any voice, style, or language you choose.
50+ PRE-MADE CHARACTERS
Choose from ready-to-use personalities:
- Brain Rot - Literally cooked fr
- Captain Obvious - States the obvious hilariously
- Corporate Speak - Professional business talk
- Crown & Quill - Elegant Bri-ish prose
- Darth Breather - Dark side communication
- Pirate Speak - Arrr, matey!
- Shakespeare - Classic poetic writing
- Surfer Speak - Chill beach vibes
- Yo Duh - Strong with the dialect, I am
...and 40+ more!
CREATE UNLIMITED CUSTOM CHARACTERS
Build your own AI personalities right from your keyboard:
- Name it anything
- Choose an emoji
- Write a custom prompt
- Save and reuse forever
- Infinite possibilities - no waiting for updates
- Turn any idea into a reusable writing tool
WORKS IN EVERY APP
No app switching. No copy-paste. Just install once and use everywhere: Messages, Instagram, X (Twitter), Discord, Reddit, Snapchat, Tinder, Gmail, WhatsApp, TikTok, Facebook, Telegram, Bumble, YouTube, Notes - literally ANY app with a text field.
MULTILINGUAL SUPPORT (20+ LANGUAGES)
- Built-in translator - Instant translation between languages
- Write in character voices in your native language
- Perfect for global communication
POWERFUL KEYBOARD FEATURES
- Rewrite - Transform any text into character voice
- Reply - AI generates contextual responses in character
- Grammar Fix - Instant corrections as you type
- Works with highlighted text OR clipboard
- One-tap to apply changes
- 10+ productivity characters for professional formatting
PERFECT FOR
- Dating apps - Stand out with witty, unique messages
- Social media - Create engaging, viral-worthy content
- Professional emails - Polish your communication instantly
- Group chats - Be the most entertaining friend
- Creative writing - Access instant character voices
- Everyday typing - Fix grammar and elevate your writing
PRIVACY FIRST
Your custom keyboard, your private data:
- We DON'T track your typing
- We DON'T store your messages
- We DON'T sell your data
- Full keyboard permissions are only used for AI features
- Your conversations stay 100% private
HOW IT WORKS
1. Download CharacterKey
2. Enable CharacterKey keyboard in your device Settings
3. Switch to CharacterKey in any app (just like switching to emoji keyboard)
4. Select a character or create your own
5. Tap "Rewrite" or "Reply" and watch the magic happen
No app switching. No copy-paste. Just pure AI-powered typing magic.
Terms of Use (EULA): https://characterkey.app/eula.html
Privacy Policy: https://characterkey.app/privacy.html
What’s new
Version 1.8.9 · Updated October 1, 2026
• New: try every character free for 3 days after setup • Fixed crashes when opening the keyboard and on first launch • Smoother setup with clearer steps • Fixed Upgrade/Watch Ad sometimes opening the wrong screen • Fixes for a stuck loading spinner and spell-check suggestions
User reviews
this is a Pretty good mobile keyboard and i mean it actually, i kept rewriting my words with the 'Shakesphere' AI which really confused my friends, told me to stop and got them really annoyed. it was funny- would recommend!!!
cool
im the first review and I can say first hand ts amazing gng keep up the good work devs
Arrr, this be pure fun and sigma, matey, a solid 10/10—aye, I’d hoist it again in a heartbeat. The seas approve, shiver me timbers. A treasure worth claimin', aye; I’d set sail for it again, avast.
Methinks I take great delight in this most kindly thing, and my heart doth sing with joy at its beauty.
FINALLY ITS OUT thx twin
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| CharacterKey - AI Keyboard | 3.8 / 5 | Free | 5,000+ | Oct 1, 2026 | |
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| Mint Keyboard:Fonts,Emojis | 3.8 / 5 | Free | 1,000,000+ | Jan 21, 2026 | Compare |
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