# Interval Timer □ HIIT Timer vs Chime

The clearest difference is in-app purchases: Chime at none against Interval Timer □ HIIT Timer's 5. Interval Timer □ HIIT Timer's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17). On price, update cadence and ads 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. Chime asks for nothing beyond the download.

Interval Timer □ HIIT Timer ships an update every 5 weeks, Chime monthly. The most recent releases landed on November 14, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Interval Timer □ HIIT Timer | Chime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (88K ratings)](https://appshunter.io/ios/app/interval-timer-hiit-timer/id1124297113/reviews)** | — |
| Number of ratings | **88K** | — |
| Positive reviews | 60.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Freemium | — |
| Size | 21 MB | 7 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Float Tech, LLC](https://appshunter.io/developer/483697886) | [Kunal Parmar](https://appshunter.io/developer/1886107560) |

## What reviewers say

### Interval Timer □ HIIT Timer

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

Easily set up custom workout intervals with a simple drag-and-tap interface. This app provides audio cues and detailed history to track your fitness progress, even while listening to music.

**Highlights:** Customizable intervals, Drag-and-tap interface, Voice and beep guides, Background audio support, Detailed workout history, Repeat previous workouts

**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


### Chime

[App page](https://appshunter.io/ios/app/chime-interval-workout-timer/id6760760136)

**Features:** macOS Compatibility

**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 Chime free?

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

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

Neither Interval Timer □ HIIT Timer nor Chime shows ads.

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

Interval Timer □ HIIT Timer ships an update every 5 weeks, and Chime monthly. Most recently, Interval Timer □ HIIT Timer was updated on November 14, 2026 and Chime on November 5, 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.*