Last updated: October 23, 2026 · 中文
AILY requires no developer account, includes no ads or analytics SDK, and does not route conversations through developer-operated servers. Conversation history stays on your iPhone and API keys stay in the iOS Keychain. When you choose a cloud API, the relevant conversation and attached photos go directly to that provider. Apple handles purchases and restoration; the app verifies Apple's signed purchase records on your device.
AILY ("the App") is a multi-engine AI chat app for iPhone, built by independent developer Zishuo Yang (YZS). This policy explains how the App handles your information.
The App does not require a developer account and contains no analytics, tracking or advertising SDK. The Developer operates no server that receives conversations. The App does not send your chat content or API keys to the Developer. Model-download hosts, cloud providers you select, and Apple purchase services process relevant requests under their own policies; this is separate from the Developer receiving your chat content.
The following data is stored only on your iPhone (and may be included in your iOS backups, as controlled by your system settings):
You can delete conversation history, manage downloaded models and clear API keys in the App. Uninstalling the App removes its local app container; system backups are managed through your iOS settings. Clear API keys in the App to remove their Keychain entries.
The App offers three kinds of chat engines, each with a different data path:
Uses Apple's system-provided on-device model and runs entirely on your device. Your messages never leave your iPhone.
Replies are generated on your device by open-source models you download (powered by llama.cpp), fully offline — your messages never leave your iPhone. Model files are downloaded from the official Hugging Face site or the hf-mirror.com mirror; these download requests fetch the model file only and carry none of your conversation content.
You may obtain and enter your own API key for a third-party LLM service (such as Claude, GPT, DeepSeek, Kimi, Zhipu, Qwen, Gemini, Grok, or a self-hosted Ollama server). When you use a cloud engine:
The App uses the iOS system photo picker (PhotosPicker): the App does not request, and cannot obtain, access to your photo library — it receives only the specific photos you actively select in the picker. Selected photos are stored locally for the corresponding conversation. When you use a cloud API, photos are sent along with your message directly from your device to the provider you selected (see Section 4③); with on-device engines, photos never leave your device.
The following features use network connections:
AILY uses Apple-signed transaction information on-device, such as product identifiers, expiration, revocation status and original app-purchase version, to determine access. It does not upload those records to a developer-operated server. The App does not receive card details or your Apple Account password. An AILY purchase does not include third-party cloud API fees; those are settled separately between you and your provider.
Apple Privacy Policy: https://www.apple.com/legal/privacy/
The App is not directed at children under 13 (or the equivalent age of digital consent in your jurisdiction) and does not knowingly collect personal information from children — indeed, it collects no one's personal information. Minors should use the App under the guidance and with the consent of a parent or guardian, who should keep AI-generated content appropriateness in mind and exercise caution before configuring third-party cloud services for a minor.
If this policy changes, we will update this page and revise the "Last updated" date. The updated policy takes effect as soon as it is posted on this page. Please check back periodically. By continuing to use the App after an update, you accept the revised policy.
Questions about this policy: Emilia_Mossifd@koreamail.com