ZSWatch
Jakob Krantz Utilities iPhoneiPadiPod touch
ZSWatch is a free Utilities app for iPhone and iPad by Jakob Krantz. Requires iOS 14.0. Updated October 26, 2026.
- Price
- Free
- on the App Store
- Size
- 73 MB
- Age 4+
- Updated
- Oct 26
- 2026 · v1.2.0
Screenshots
About ZSWatch
ZSWatch is the official companion app for the ZSWatch open-source smartwatch. Connect over Bluetooth to unlock everything your DIY smartwatch can do. FEATURES • Voice Memos with AI Record voice memos on your watch. The app syncs them in the background, transcribes them and writes a summary. It can turn what you said into reminders and calendar events. Run it on your iPhone with on-device models, or use your own OpenRouter key. • Ask from Your Wrist Ask a question on your watch and get the answer back on your wrist. • Always Connected The connection runs in the background, reconnects on its own, and keeps your watch in sync even when the app is closed. • Notifications Your iPhone's notifications appear on your watch. • Firmware Updates Update your watch firmware over Bluetooth. Download official releases from GitHub or load local firmware files. Resource updates for watch faces and images are included. • Custom Watch Faces Pick a photo to use as your watch face background. • Weather and GPS Your watch gets current weather and a forecast for your location. Share your iPhone's location with your watch for workouts and outdoor activities. • Internet Relay Lets watch apps fetch information from the internet through your iPhone. • Health & Activity View daily steps, heart rate and activity history in charts. • Battery Analytics Monitor your watch's battery level and charging over time. • Guided Setup Pair with Apple's accessory setup. • Developer Tools A shell on the watch, BLE communication logs, sensor data, device diagnostics, and crash reports you can download and attach to a GitHub issue. REQUIREMENTS • ZSWatch smartwatch (github.com/ZSWatch/ZSWatch) OPEN SOURCE The ZSWatch app is open source. View the code, report issues and contribute at github.com/ZSWatch/ZSWatch-App
What’s new
Version 1.2.0 · Updated October 26, 2026
ZSWatch 1.2 is a big update for the open-source smartwatch. • Voice memos: record on the watch, then get a transcript, a summary and actions such as timers, alarms, reminders and calendar events. Run it on your phone or with your own OpenRouter key. • Chat: ask questions from your watch and get the answer on your wrist. • A rewritten connection that stays up in the background and comes back after the app has been closed. • Faster and more reliable firmware updates, including resources and watchface backgrounds. • A new permission setup after your first connection, with a clear explanation of each permission. • Many fixes and stability improvements.
App privacy
The developer, Jakob Krantz, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to ZSWatch
Looking for apps like ZSWatch? Here are 6 similar apps on the App Store. The highest rated is ESP32-Cam (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| ZSWatch | – | Free | October 26, 2026 | |
| DontCallMe | – | Free | Jul 8, 2026 | Compare |
| Galapagos GCS: ArduPilot & PX4 | – | Free | Sep 26, 2026 | Compare |
| ESP32-Cam | 5.0 / 5 (1) | Free | Sep 5, 2026 | Compare |
| nRF Wi-Fi Provisioner | – | Free | Feb 4, 2026 | Compare |
| ExView® | 5.0 / 5 (1) | Free | Jun 26, 2024 | Compare |
| ESP RainMaker Home | – | Free | Oct 29, 2026 | Compare |
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