What's New in Version 1.19.0
Sep 1, 2026
The intervals.icu mobile app Download and install old versions of Subintervals that suits your device model and enjoy your favorite features!
Improvements
- Added metric histograms for heart rate, power, and pace.
- Improved zone labels and ranges.
- Fitness can now show achievements and selected-day activity summaries.
Bug Fixes
- Improved chart cursor snapping and pan gestures.
Subintervals old version 1.19.0 was released on Sep 1, 2026 by Inaki Arroyo. The app download size is 127.8 MB. We recommend you download the latest version of Subintervals for the new features and better performance.
Download the Latest VersionCheck out the detailed comparison between the latest and old version of Subintervals, including the file size and Android system requirements.
| Version 1.19.0 | Version 1.21.1 (Latest) | |
|---|---|---|
| Package Name | com.ianstack.subintervals | com.ianstack.subintervals |
| Version | 1.19.0 | 1.21.1 |
| Update Date | Sep 1, 2026 | Sep 20, 2026 |
| Size | 127.8 MB | 128.0 MB |
| Requires Android | Android 7.0+ (N, API 24) | Android 7.0+ (N, API 24) |
| Architecture | arm64-v8a | arm64-v8a |
| Signature | 4c7ebf7e77c80e9ef6b02664f33e1eb4200ac654 | 4c7ebf7e77c80e9ef6b02664f33e1eb4200ac654 |
| Google Play App License | Required | Required |

