JSON Complication
Custom JSON feed complications
About
Display custom data from JSON feeds directly on your Apple Watch complications. Configure multiple feeds with URL and key paths to show various metrics like power, temperature, or text. Customize display and colors for a personalized watch face.
What's New in JSON Complication
1.0
September 21, 2026
Subscriptions & In-App Purchases
Live Feeds Annual
Live JSON feeds for watch complications.
Developer apps
FAQ
What is JSON Complication?
JSON Complication allows you to display live data from your own JSON feeds directly on your Apple Watch face. You can configure up to four named feeds with specific URL and JSON key paths.
How does JSON Complication work on Apple Watch?
You set up your JSON feeds within the app, specifying the URL and the exact path to the data you want to display. This data can then be shown on various types of Apple Watch complications.
What kind of data can JSON Complication display?
It supports a wide range of data including power, temperature, distance, speed, weight, pressure, energy, percentages, numbers, and text. You can also convert supported units and limit the display to four characters.
Is JSON Complication free to use?
Live feeds on iPhone are free. However, live readings on Apple Watch and its complications require a 'Live Feeds Annual' auto-renewable subscription, which costs $0.99 per year.
How do I manage my subscription for JSON Complication?
You can restore purchases or manage your subscription directly from within the app. Subscriptions are annual and renew automatically unless canceled before the renewal date.
Does JSON Complication have ads?
No, JSON Complication does not contain advertisements. The app is free to use on iPhone, with a subscription required for Apple Watch functionality.
What devices does JSON Complication support?
JSON Complication is supported on both iPhone and Apple Watch. The core functionality for displaying data on watch complications is specifically for the Apple Watch.
What is the age rating for JSON Complication?
JSON Complication has an age rating of 17+. This is likely due to the technical nature of configuring JSON feeds and the potential for displaying complex data.
