Google has released an updated version of the "AI Edge Gallery" app for iPhone. This update adds official support for the new Gemma 4 model.
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Google Adds Official Support for Gemma 4 to AI Edge Gallery for iOS
This article is a translation. Read the Japanese original
The app operates completely offline. Data is not sent to servers, and all inference is processed locally on the device.
As a key new feature, Agent Skills have been introduced, allowing the model's capabilities to be extended via tools such as Wikipedia and maps. Additionally, a Thinking Mode has been implemented.
This mode is enabled for Gemma 4, allowing users to view the model's reasoning process step-by-step. The Ask Image feature enables multimodal processing using the camera or photos.
Audio Scribe supports real-time transcription and translation of audio. In the Prompt Lab, parameters such as temperature and top-k can be finely adjusted.
The Mobile Actions feature utilizes a fine-tuned version of FunctionGemma 270m to handle offline device control and automation tasks.
Tiny Garden is an experimental mini-game where users manage a virtual garden using natural language. This also runs on the fine-tuned version of FunctionGemma 270m.
The app is released as an open-source project, and the source code can be reviewed on GitHub. Performance depends on the device's CPU and GPU.
Source: Gemma 4 on iPhone (HN 868pt, 234 comments) (HN Search (backfill), 2026-04-06)