CTS ActivityLab
GPX, TCX, FIT File Analyzer
About
Analyze detailed fitness data from various sports devices. Compare multiple activities, inspect GPS accuracy, and visualize routes and statistics with powerful charts. Gain insights beyond basic watch metrics.
What's New in CTS ActivityLab
1.17
October 9, 2026
-Optimizations for performance improvements -Updated Apple Health integration with disclaimer of what information can be imported -Added Pace as a metric for comparison
MoreSubscriptions & In-App Purchases
CTS ActiveLab Monthly
Unlimited GPX, FIT & TCX analysis
FAQ
What devices can I import activity data from into CTS ActivityLab?
You can import GPX, FIT, and TCX files from a wide range of devices including Garmin, COROS, Apple Watch, Suunto, Polar, Amazfit, and Wahoo.
What are the benefits of CTS ActivityLab Pro?
CTS ActivityLab Pro is required to compare multiple activities side-by-side, view agreement statistics between devices, and save or sync your comparisons using iCloud.
Does CTS ActivityLab have ads?
No, CTS ActivityLab does not contain advertisements. The core functionality is free, with an optional subscription for advanced features.
What is the subscription cost for CTS ActivityLab Pro?
The CTS ActiveLab Monthly subscription is $1.99 per month and includes a 7-day free trial for eligible new subscribers.
What age rating does CTS ActivityLab have?
CTS ActivityLab has an age rating of 4+, making it suitable for a broad audience.
On which devices can I use CTS ActivityLab?
CTS ActivityLab is available on Mac, iPhone, and iPad, allowing you to sync and save comparisons across multiple Apple devices.
How often is CTS ActivityLab updated?
The latest version, 1.17, was released on October 9, 2026, indicating a consistent update schedule from the developer.
Can I import activities directly from Apple Health?
Yes, CTS ActivityLab allows direct import of activities from Apple Health on iOS devices, making it easy to access your existing fitness data.
