What's New in Version 1.15.0
Aug 16, 2026
The intervals.icu mobile app Download and install old versions of Subintervals that suits your device model and enjoy your favorite features!
Improvements
- Workout charts and Builder now support Heart Rate and Pace with correct zone labels.
- Compare planned vs. actual activity data with a toggleable target line.
- Choose your app language: English, Spanish, German, French, Italian, Dutch, Swedish, or Indonesian.
Bug Fixes
- Fixed overlapping values when planned and recorded chart data are shown together.
Subintervals old version 1.15.0 was released on Aug 16, 2026 by Inaki Arroyo. The app download size is 127.6 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 1.15.0 | Version 1.19.0 (Latest) | |
|---|---|---|
| Package Name | com.ianstack.subintervals | com.ianstack.subintervals |
| Version | 1.15.0 | 1.19.0 |
| Update Date | Aug 16, 2026 | Sep 1, 2026 |
| Size | 127.6 MB | 127.8 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 |

