Interval Timer □ HIIT Timer vs Flextimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Interval Timer □ HIIT Timer
Easily create custom workout timers with adjustable intervals for exercise and rest. Enjoy audio cues and track your progress with detailed history. Integrates with your music apps and allows background use.
- Customizable intervals for workout and rest
- Voice or beep audio guides
- Background operation with music apps
- Detailed workout history and statistics
- Repeat previous workouts
- Optional subscription for advanced features
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A simple and beautiful interval timer. 1. Drag to set your custom intervals for workout, rest, rounds, etc 2. Tap to start. Interval Timer doesn't interfere with your music or other apps: ∙ Listen to your music apps while you work out. ∙ Voice or beep guides for every workout. ∙ You can leave the app and still listen to the audio guides, in order to follow a workout you found online. And no need to manually record your workouts: ∙ Detailed history and statistics pages to track your progress. ∙ Repeat a previous workout from your history, so you don't need to set it again. If you have any ideas for how to improve the app, just tap "Contact Support" inside the app and let us know! We are always trying to improve Interval Timer. This app offers an optional auto-renewable subscription, Premium Pass (monthly), and a one-time Lifetime Pass. Premium Pass starts with a 1-week free trial for eligible new subscribers, then renews automatically every month at the price shown in the app until you cancel. Payment is charged to your Apple Account when you confirm the purchase or, with a free trial, when the trial ends. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and your account is charged for the renewal within 24 hours before the end of the current period. You can manage the subscription and turn off auto-renewal at any time in your Apple Account settings. Cancelling stops the next renewal, and Premium stays active until the end of the period you've paid for. Any unused part of a free trial ends when you buy a subscription. Privacy Policy: https://float.support/interval-timer/privacy Terms of Use: https://float.support/interval-timer/terms
Flextimer
Create custom interval timers for workouts, focus sessions, or daily routines. Design sessions step-by-step or use AI to generate them from plain text descriptions. Includes cues for sounds, vibration, and color changes.
- AI-generated timer creation from text
- Customizable interval and round timers
- Step cues for sound, vibration, and color
- Timer Summary with detailed progress
- Configurable run-screen controls
- Saved custom timers and starting points
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More than a countdown. Flextimer is a flexible interval, round, and HIIT timer for workouts, focus, routines, and more — built your way. Design a session step by step, or just describe it in plain words and let AI create it for you to review, edit, and save. Describe. Cue. Run. What sets Flextimer apart is the combination: named steps and repeating rounds, cues for sounds, vibration, color changes, and countdowns, a clear Timer Summary, and AI that can build a timer for you. Fit every part of your session, from prep and work to breaks and cooldowns. Use Flextimer for: • Workouts and interval training (HIIT, EMOM, Tabata) • Boxing, MMA, and round timers • Pomodoro and focus sessions • Meditation and breathing exercises • Presentation and speaking practice • Stretch breaks, chores, cooking, and daily routines • Structured sessions that need more than one countdown Features: • Describe a timer in plain words and let AI build it for you (preview) • Flexible step and repeat-group timer design • Optional final-step skipping, useful for omitting final rest periods • Step cues for additional sounds, vibration, color transitions, countdowns, or in repeating intervals • Timer Summary with total time, time by color, cues, and progress behavior • Configurable run-screen controls for next step, total remaining time, skip, and restart • Custom progress tracking for steps or rounds • Saved custom timers and built-in starting points • Local-first storage • No account required • No ads Flextimer is built for anyone who needs more than a simple countdown timer.
Screenshots
Verdict
Interval Timer □ HIIT Timer and Flextimer both sit at 4.8 stars, but that hides the real split: 100% of Flextimer's written reviews are positive against 61% of Interval Timer □ HIIT Timer's. Flextimer also leads on in-app purchases (none vs 5) and update cadence (every 9 days vs every 5 weeks). Interval Timer □ HIIT Timer's advantage is ratings volume (88K vs 2). On price, rating, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Interval Timer □ HIIT Timer sells 5 in-app purchases, starting at $1.99 per month. Flextimer asks for nothing beyond the download.
Flextimer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 88K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 61% of Interval Timer □ HIIT Timer's written reviews are positive against 100% of Flextimer's.
Interval Timer □ HIIT Timer ships an update every 5 weeks, Flextimer every 9 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Interval Timer □ HIIT Timer | Flextimer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (88K ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 60.6% of reviews | 100.0% of reviews — better |
| Number of ratings | 88K — better | 2 |
| Update frequency | Every 5 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 21 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Float Tech, LLC | SOPHOMATH LLC |
Customer experience
Interval Timer □ HIIT Timer
Flextimer
Bugs and requests
Interval Timer □ HIIT Timer
Reported bugs
3 issues- Timer not always accurate
- Favorites/saved workouts feature not working
- Inconsistent behavior when pausing/resuming
Requested features
3 requests- Ability to save and name custom workouts
- More flexibility in exercise/rest time settings
- Option to adjust volume of voice prompts
Flextimer
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Interval Timer □ HIIT Timer
- Premium Pass7 Days trial$1.991 Month
- Premium Pass7 Days trial$2.991 Month
- Lifetime Pass$14.99
- Lifetime Pass$19.99
- Premium Forever Promo$29.99
Flextimer
No in-app purchases
Questions
Is Interval Timer □ HIIT Timer free?
Is Flextimer free?
Which has better reviews, Interval Timer □ HIIT Timer or Flextimer?
Do Interval Timer □ HIIT Timer or Flextimer have ads?
Which is updated more often, Interval Timer □ HIIT Timer or Flextimer?
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