# Interval Timer □ HIIT Timer vs Interval Timer ++

The clearest difference is ads: Interval Timer □ HIIT Timer at none against Interval Timer ++'s shown. Interval Timer □ HIIT Timer also leads on ratings volume (86K vs 15K). Interval Timer ++'s advantage is review sentiment (78% vs 61%) and iOS requirement (12.0 vs 15.6). On price, rating, update cadence and in-app purchases 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 and Interval Timer ++ sells 8 in-app purchases, starting at $0.99 per 2 months. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Interval Timer □ HIIT Timer against 4.8 for Interval Timer ++. That said, the two scores are not equally well evidenced: Interval Timer □ HIIT Timer has 86K ratings behind it against 15K, so its average is the more settled of the two. Written reviews are what separate them: 61% of Interval Timer □ HIIT Timer's written reviews are positive against 78% of Interval Timer ++'s.

Interval Timer □ HIIT Timer ships an update every 5 weeks, Interval Timer ++ every 3 weeks. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Interval Timer □ HIIT Timer | Interval Timer ++ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (86K ratings)](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113/reviews) | [4.8 (15K ratings)](https://appshunter.io/ios/app/interval-timer-plus-plus/id1327053127/reviews) |
| Number of ratings | **86K** | 15K |
| Positive reviews | 60.7% of reviews | **78.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 34 MB | 87 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Float Tech, LLC](https://appshunter.io/developer/483697886) | [Sunny Studio](https://appshunter.io/developer/430274590) |

## What reviewers say

### Interval Timer □ HIIT Timer

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

Create custom workout timers with adjustable intervals for exercise and rest.  Track your progress with detailed history and statistics, and repeat past workouts easily.  Enjoy audio cues without interrupting your music.

**Highlights:** Customizable intervals, Workout and rest timers, Voice or beep guides, Background audio support, Workout history and statistics, Repeat previous workouts

**Features:** Vision Pro 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


### Interval Timer ++

[App page](https://appshunter.io/ios/app/interval-timer-plus-plus/id1327053127)

This app provides a customizable interval timer for high-intensity interval training (HIIT) and circuit workouts. Easily set up work, rest, and repeat intervals, track your progress, and integrate with your health data. Enjoy your workouts with background music and notifications.

**Highlights:** Customizable work/rest/repeat intervals, Supports iPhone and Apple Watch, Workout history in calendar view, Health app integration (HealthKit), Background notifications, Listen to music during workouts, Premium timers for mixed fitness types

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer Pro | $0.99 | per 2 months |
| Interval Timer Pro | $0.99 | per 7 days |
| Interval Timer Pro | $1.99 | per 7 days |
| Interval Timer Pro | $1.99 | per month |
| Interval Timer Pro for a Year | $5.99 | per year |
| Premium Timer for One Week | $2.99 | one-time |
| Premium Timer for One Year | $7.99 | one-time |
| Premium Timer for Entire Life | $8.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Straightforward interval timer functionality
- 💡 Customizable timers and workouts
- 🔒 No ads or in-app purchases required

**What reviewers complain about**

- 🐛 Inconsistent sound and volume issues
- 🐛 Bugs with timer functionality and data sync
- 🔋 High battery consumption when running in background
- 🚫 Limited customization options for timers and workouts

**Reported bugs**

- Timers not working correctly after app updates
- Custom timers not saving or syncing across devices
- Unexpected pausing or stopping of timers during use

**Requested features**

- Ability to name and save custom workouts
- Option to adjust rest time for individual exercises
- Countdown beeps or voice cues during intervals
- Integration with Apple Watch and other fitness devices


## Frequently asked questions

### Is Interval Timer □ HIIT Timer free?

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

### Is Interval Timer ++ free?

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

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

Interval Timer □ HIIT Timer and Interval Timer ++ are both rated 4.8 out of 5 on the App Store, from 86K and 15K ratings respectively.

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

Interval Timer ++ shows ads; Interval Timer □ HIIT Timer does not.

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

Interval Timer □ HIIT Timer ships an update every 5 weeks, and Interval Timer ++ every 3 weeks. Most recently, Interval Timer □ HIIT Timer was updated on September 25, 2026 and Interval Timer ++ on September 24, 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.*