# Interval Timer □ HIIT Timer vs Flextimer

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.

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.

## The numbers

| Metric | Interval Timer □ HIIT Timer | Flextimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (88K ratings)](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flextimer-design-your-time/id6763629801/reviews)** |
| Number of ratings | **88K** | 2 |
| Positive reviews | 60.6% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 56 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Float Tech, LLC](https://appshunter.io/developer/483697886) | [SOPHOMATH LLC](https://appshunter.io/developer/1827142250) |

## What reviewers say

### Interval Timer □ HIIT Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113)

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.

**Highlights:** 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

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $1.99 | per month |
| Premium Pass | $2.99 | per month |
| Lifetime Pass | $14.99 | one-time |
| Lifetime Pass | $19.99 | one-time |
| Premium Forever Promo | $29.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable settings
- 🚀 Intuitive interface
- 🚀 Effective for HIIT workouts
- 👍 Helpful voice prompts

**What reviewers complain about**

- 🔒 Requires subscription after limited free use
- 🐛 Music volume issues with voice prompts
- 🐛 Inconsistent behavior when switching apps
- 🐛 Lack of final workout notification

**Reported bugs**

- Timer not always accurate
- Favorites/saved workouts feature not working
- Inconsistent behavior when pausing/resuming

**Requested features**

- Ability to save and name custom workouts
- More flexibility in exercise/rest time settings
- Option to adjust volume of voice prompts


### Flextimer

[App page](https://appshunter.io/ios/app/flextimer-design-your-time/id6763629801)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer □ HIIT Timer free?

Interval Timer □ HIIT Timer is free to download, with in-app purchases available.

### Is Flextimer free?

Flextimer is free to download, with no in-app purchases.

### Which has better reviews, Interval Timer □ HIIT Timer or Flextimer?

Flextimer is rated higher. Interval Timer □ HIIT Timer averages 4.8 out of 5 from 88K ratings, while Flextimer averages 5.0 from 2 ratings.

### Do Interval Timer □ HIIT Timer or Flextimer have ads?

Neither Interval Timer □ HIIT Timer nor Flextimer shows ads.

### Which is updated more often, Interval Timer □ HIIT Timer or Flextimer?

Interval Timer □ HIIT Timer ships an update every 5 weeks, and Flextimer every 9 days. Most recently, Interval Timer □ HIIT Timer was updated on November 8, 2026 and Flextimer on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*