OnKey - AI Keyboard & Writer

Write emails 10x faster. Change tone instantly. Translate to 100+ languages. Join 50,000+ professionals who type smarter.

Stop wasting hours writing emails. OnKey brings GPT-4 directly to your keyboard.

Professionals save 5+ hours per week with OnKey. Here's why they upgrade to Premium:

THE PROBLEM You spend too much time: • Fixing grammar mistakes • Rewriting messages to sound professional • Translating for international colleagues • Staring at blank screens, unsure what to write

THE SOLUTION OnKey does it all—right from your keyboard. No copy-paste. No switching apps.

INSTANT TONE TRANSFORMATION One tap. 16 tones. Perfect message. → Professional: Impress your boss → Friendly: Connect with clients → Confident: Close the deal → Academic: Ace your papers → Casual, Funny, Romantic, and 10 more

"I changed a frustrated complaint into a professional request in 2 seconds." — Premium user

WRITE COMPLETE EMAILS IN SECONDS Describe what you need. OnKey writes it. • "Reschedule tomorrow's meeting to Friday" • "Follow up on unpaid invoice, firm but polite" • "Thank them for the interview, express interest"

Done. Sent. Move on with your day.

SMART REPLIES See a message? Tap to reply: • Agree • Disagree • Ask to Clarify • Thank You • Follow Up • Schedule Meeting

No more overthinking responses.

TRANSLATE AS YOU TYPE 100+ languages. Type in yours. Send in theirs. Break every language barrier without leaving your conversation.

FLAWLESS GRAMMAR 19 languages supported. Every message polished. OnKey catches what autocorrect misses.

WHY PROFESSIONALS CHOOSE PREMIUM • Unlimited GPT-4 access (free tier uses GPT-3.5) • No daily limits • Priority processing • All 16 tones unlocked

WORKS EVERYWHERE iMessage, WhatsApp, Gmail, Slack, LinkedIn, Outlook—every app where you type.

THE BOTTOM LINE Free users get a taste. Premium users get results.

Your writing represents you. Make every word count.

Download OnKey. Write smarter. Save hours.