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KeyAI vs Apple Intelligence Writing Tools

KeyAI and Apple Intelligence Writing Tools both promise to make writing on iPhone faster, but they take very different approaches. Here is the side-by-side breakdown of what each one actually does.

Feature KeyAI Apple Intelligence Writing Tools
Works inside your keyboard ✓ ✓
Number of AI tools 10+ ~5 (Rewrite, Proofread, Summarize)
Tone change ✓ ✓
Translate 55+ languages 55+ No translation in Writing Tools
Paraphrase ✓ ✓
Ask AI any question ✓ —
AI-generated replies ✓ —
Sends text only on tap ✓ ✓
Auto-hides on password fields ✓ ✓
Supports 60+ keyboard layouts 60+ devices iPhone 15 Pro and newer only
Cost $4.99/wk · $39.99/yr Free (on supported devices)
Free trial 3 days —

Our verdict

Apple Intelligence is genuinely good for native rewriting on supported iPhones. On unsupported devices, you don't get it at all. KeyAI runs on compatible devices with iOS 17.6 or later, in 60+ languages, with more granular control over tone and translation.

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