Flash Interval Timer Workout
Colin Differ Health & Fitness iPhoneiPadiPod touch
Flash Interval Timer Workout is a free Health & Fitness app for iPhone and iPad by Colin Differ. Rated 4.9/5 from 7 ratings. Requires iOS 15.1.
- Rating
- 4.9
- 7 ratings
- Price
- Free
- on the App Store
- Size
- 43 MB
- Age 4+
- Updated
- Aug 17
- 2026 · v1.1
Screenshots
About Flash Interval Timer Workout
Flash Interval Timer Workout is a fast, focused interval timer for HIIT, Tabata, circuits, running, strength work, and custom training sessions. Build sessions in seconds, save them to your library, and stay locked in with a large circular countdown that makes it obvious what phase you are in, how long is left, and what comes next. Features: Big full-screen interval timer Custom work, rest, prepare, and cooldown phases Save workouts to your library Favourite workouts for quick access Presets for fast setup Advanced custom sets and variations Skip the last rest option Audio and voice countdown cues Multiple sound themes Per-phase colour customisation Workout history Light, dark, and system appearance options Flash Interval Timer Workout is designed to reduce friction before and during training, so you can start quickly and keep moving.
Ratings & reviews
4.9
7 ratings
What’s new
Version 1.1 · Updated August 17, 2026
Bug fixes and in-app purchase added
App privacy
The developer, Colin Differ, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: User ID
- Usage Data: Advertising Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Advertising Data, Other Usage Data
- Diagnostics: Other Diagnostic Data, Performance Data
- Identifiers: User ID
- Contact Info: Email Address
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to Flash Interval Timer Workout
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Flash Interval Timer Workout | 4.9 / 5 (7 ratings) | Free | August 17, 2026 | |
| Intimoment | 5.0 / 5 (3) | Free | Aug 27, 2026 | Compare |
| SteelRep: Strength Workout Log | – | Free | Sep 28, 2026 | Compare |
| Dagg: Run Coach | 5.0 / 5 (1) | Free | Oct 14, 2026 | Compare |
| Senera: Sleep Sounds & Stories | – | Free | Oct 12, 2026 | Compare |
| Forge: Quit Porn 66 Day Reset | 5.0 / 5 (2) | Free | Feb 27, 2026 | Compare |
| Dosa: Peptide & GLP1 Tracker | 4.8 / 5 (24) | Free | Sep 17, 2026 | Compare |