# Flash Interval Timer Workout — Tabata Exercise Interval Timer > Customizable interval timer for HIIT, Tabata, and circuit training. (iPhone/iPad app by Colin Differ.) - Source: https://appshunter.io/ios/app/flash-interval-timer-workout/id6761573911 (this page in markdown: same URL + `.md`) - Developer: [Colin Differ](https://appshunter.io/developer/1823248120) - Category: Health & Fitness, Utilities - Price: Free - Rating: 4.90/5 from 7 App Store ratings · 7 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 43 MB - Languages: American English - Released: 2026-08-07 - Data updated: 2026-08-23 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/flash-interval-timer-workout/id6761573911/reviews.md ## What is 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. ## Key features - Customizable work and rest phases - Save and favorite workouts - Large, clear countdown display - Audio and voice cues - Workout history tracking - Multiple appearance themes ## Recent user reviews (7 of 7) All indexed reviews: https://appshunter.io/ios/app/flash-interval-timer-workout/id6761573911/reviews.md ### 5/5 — Review *2026-08-17* Simple and minimal UI, loved It ### 5/5 — Love it *2026-08-17* Love the fact that it has a big countdown display. It's easy to see and interact with. ### 5/5 — So simple and easy to use *2026-08-13* This app has made it so easy to time and track my workouts. **Developer response:** I appreciate the review. Thank you ### 5/5 — Great Workout timer app *2026-08-13* Simple and easy to use! **Developer response:** Thanks for taking the time to review ### 4/5 — Good Workout Timer App *2026-08-12* appears to be a bug when tapping a timer - I get an error that "live activities are not available". but other than that this is a great workout timer app! **Developer response:** Thank you for your review and thanks for letting me know. I've solved that issue and it will be fixed on the next review ### 5/5 — Wow! *2026-08-12* wow, exactly what I was looking for my workout. 10/10 **Developer response:** Thank you for taking the time to review. I'm glad you find it useful ### 5/5 — Nice and easy *2026-08-12* This app has a no frills way for quick workouts. Seamless UI and easy to follow. **Developer response:** Thank you. I'm trying to keep it as simple as possible ## Frequently asked questions about Flash Interval Timer Workout ### What types of workouts can Flash Interval Timer Workout be used for? Flash Interval Timer Workout is designed for a variety of training styles including HIIT, Tabata, circuits, running, strength training, and custom workout sessions. ### How does Flash Interval Timer Workout help users stay focused during workouts? It features a large, full-screen circular countdown timer that clearly indicates the current phase, remaining time, and what's next. Audio and voice cues further assist in keeping users locked in. ### Can I save my custom workout routines in Flash Interval Timer Workout? Yes, you can build custom sessions in seconds and save them to your personal library for quick access. You can also favorite specific workouts for even faster setup. ### Does Flash Interval Timer Workout offer different visual themes? Yes, the app provides light, dark, and system appearance options, allowing users to customize the visual theme to their preference. ### What is the rating and age appropriateness of Flash Interval Timer Workout? Flash Interval Timer Workout has a perfect 5.0-star rating from 1 review and is suitable for users aged 4 and up. ### Is Flash Interval Timer Workout available on multiple devices? Yes, Flash Interval Timer Workout is compatible with iPhone, iPad, and iPod devices. ### Does Flash Interval Timer Workout have ads? Yes, Flash Interval Timer Workout contains advertisements. ### How often is Flash Interval Timer Workout updated? The app was last updated on August 8, 2026, shortly after its release on August 7, 2026, indicating active development. ## Version history (last 2 releases) ### 1.1 — 2026-08-17 Bug fixes and in-app purchase added ### 1.0 — 2026-08-08 No release notes. ## More apps by Colin Differ - [AA Daily Readings & Prayers](https://appshunter.io/ios/app/aa-daily-readings-and-prayers/id6747896671) - [Classic Offline Games Room](https://appshunter.io/ios/app/classic-offline-games-room/id6759455066) - [Yonder Podcast Player & Radio](https://appshunter.io/ios/app/yonder-podcast-player-and-radio/id6760950052) - [CoPac](https://appshunter.io/ios/app/copac/id6764811896) All apps by Colin Differ: https://appshunter.io/developer/1823248120 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-23.*