AI 嘴替 / Speak for Me is developed by Jian AI Lab. Updated October 10, 2026.
Apple processes subscription payments. We store product and transaction identifiers, subscription environment, expiry and verification status linked to the telephone account to deliver, restore or revoke access. We do not receive payment-card details. Deleting a telephone account does not cancel an Apple subscription; manage it in Apple Account subscription settings.
Our private service stores a username, salted password hash, recovery-code hash, number settings and session-token hashes. Passwords and recovery codes are not persisted in plain text. App session credentials are stored in the device Keychain.
Google processes calls to its gateway and produces captions. Our private service retains the current call state, up to 200 recent caption segments and pending replies for restart recovery. Captions are not automatically sent to OpenAI. Caption data older than 24 hours after the last call update is cleared when the service next processes a request.
When you tap Send, voice generated on your iPhone is uploaded to private Google storage for playback on the same call. Audio objects have a one-day storage lifecycle; actual removal occurs through the storage provider's cleanup schedule. Cancel only affects audio not yet handed to Google.
After your consent and a generation request, the text you enter in the AI conversation and its context are sent to OpenAI. You review a response before sending it. OpenAI handles received data under its applicable policies. You can withdraw consent and clear the current conversation in the app's privacy settings.
Device push tokens, account association, language and push environment are stored privately for Apple call alerts. Lock-screen alerts do not contain call captions.
Saved phrases stay on the device and can be deleted individually. AI conversations remain in memory and are cleared on restart or a new conversation. ChatGPT and telephone-account credentials are stored in the device Keychain.
Network calls use Google Cloud and Apple notifications; AI generation uses OpenAI. Our cloud service is currently hosted in the United States. Google call processing and interaction logs, Apple notifications, and data received by OpenAI follow their applicable service policies and configuration. The caption and audio cleanup periods above apply to storage we control; they are not a shared deletion deadline for all providers. The app has no advertising or behavioral analytics SDK and we do not sell personal data.
Settings → Telephone account → Delete telephone account removes its number binding, active captions, session credentials and registered devices. Temporary audio is removed according to the storage lifecycle above. Manage ChatGPT authorization and data separately in ChatGPT settings.
The service assigns a Google-hosted receiving number. Contacts call it directly. No existing mobile number or call forwarding setup is required. Assignment is subject to number availability and project quotas.
For privacy, deletion requests or support, contact swordluan8@gmail.com.