Gemma 4 in your pocket: fast install for iPhone and Android
Gemma 4 now runs offline on modern phones thanks to the official Google AI Edge Gallery app. This guide walks you through the setup on both iPhone and Android with zero cables or complicated steps.
🧠 Why it matters: Running models locally gives you full privacy, no per-token fees, and the freedom to use AI even when you have no signal.
Quick requirements
- iPhone on iOS 17 or newer, ideally with an A16 chip or Apple Silicon for best performance.
- Android on Android 14, powered by a Tensor, Snapdragon 8 Gen 2, or similar flagship SoC.
- 6 GB of free storage and Wi-Fi for the initial download.
iPhone: Gemma 4 inside Google AI Edge Gallery
- Open the App Store on your iPhone.
- Search for Google AI Edge Gallery and tap Get.
- Launch the app, grant local permissions, and open the AI Chat tab.
- Locate Gemma 4 (“Edge Optimized” build).
- Tap Download and wait for completion, then select Run locally.
📲 On iPhone you’ll see a “Thinking” mode to visualize reasoning steps and a “Battery Saver” toggle to trade speed for longer sessions.
Direct link: Google AI Edge Gallery – App Store
Android: enable Gemma 4 in minutes
- Head to Google Play and install Google AI Edge Gallery (requires up-to-date Play Services).
- Allow storage permissions so models can be stored locally.
- In the Model Hub tab, search Gemma 4 → tap Download.
- When finished, press Set as default inside AI Chat.
- Craft your first prompt. Example: “Brainstorm productivity app ideas in Spanish.”
🤖 On Android you can toggle GPU Acceleration under Settings → Performance. If the phone heats up, switch the profile to Balanced.
Direct link: Google AI Edge Gallery – Google Play
Useful features on both platforms
| Feature | iPhone | Android |
|---|---|---|
| Thinking Mode | ✅ | ✅ |
| Agent Skills (Wikipedia, Docs) | ✅ | ✅ |
| Ask Image (photo analysis) | ✅ | ✅ |
| Audio Scribe (speech to text) | ✅ | ✅ |
| Battery Saver / Thermal guard | ✅ | ✅ |
Tips to get the best experience
- Update the app whenever new Gemma 4 optimizations drop.
- Use Bluetooth headphones for long audio interactions (Audio Scribe).
- Keep battery above 40% before running extended sessions.
- Disable Low Power Mode (iPhone) or Battery Saver (Android) to avoid throttling.
Common issues and quick fixes
- Slow downloads: switch to Wi-Fi 5/6 and keep the screen awake.
- Android app crashes: clear cache via App Info → Storage & cache.
- Short replies on iPhone: enable Extended Context in Settings → Labs.
Next steps for power users
- Enable Agent Skills and connect Google Drive to query documents.
- Create Shortcuts (iOS) or Assistant Routines (Android) to launch prompts by voice.
- Integrate Gemma 4 with your stack (for example Next.js + Supabase) via the local API exposed by Edge Gallery at
http://localhost:8288.
TL;DR
- Install Google AI Edge Gallery on iPhone or Android.
- Download the Gemma 4 model inside the app and mark it as local.
- Start chatting offline while keeping your data private.
Your phone is now a mini AI server ready to run Gemma 4 anytime.