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Itinr — API Key Guides

Itinr uses Apple Intelligence by default on supported iPhones — no setup, private and free. If you prefer another model (or your iPhone doesn’t support Apple Intelligence), you can plug in your own API key from any of these providers:

Claude (Anthropic) — premium quality, $5 free credit
Gemini (Google) — most generous free tier (1,500 req/day)
OpenAI (GPT-4o) — well-known, $5 free credit
DeepSeek — extremely cheap, works in Hong Kong and mainland China

Which one should I choose?

Your situation	Recommendation
Just want it to work, no setup	Apple Intelligence (built-in)
In Hong Kong / mainland China	DeepSeek
Want a free tier with high quota	Gemini (if your region supports)
Want best quality, willing to pay	Claude Sonnet/Opus
Already using OpenAI for other things	OpenAI GPT-4o mini

How your keys are stored

Keys are saved in the iOS Keychain — encrypted, device-only.
Itinr never sends your key to any server other than the provider you chose.
You can delete a key any time by clearing the field in Settings.