# Interval Timer vs TMR Interval Timer & Stopwatch

The clearest difference is update cadence: TMR Interval Timer & Stopwatch at every 9 days against Interval Timer's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer sells 12 in-app purchases, starting at $1.99 per month and TMR Interval Timer & Stopwatch sells 8 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Interval Timer ships an update every 4 weeks, TMR Interval Timer & Stopwatch every 9 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Interval Timer | TMR Interval Timer & Stopwatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.5K ratings)](https://appshunter.io/ios/app/interval-timer/id1610398390/reviews)** | — |
| Number of ratings | **3.5K** | — |
| Positive reviews | 66.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Subscription | — |
| Size | 243 MB | 17 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HIIT Apps Sp. z o.o.](https://appshunter.io/developer/1713395721) | [Aliaksei Kruchkou](https://appshunter.io/developer/1591743875) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer/id1610398390)

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

**Highlights:** Customizable interval settings, Voice assistant with text-to-speech, Music ducking for audio integration, Save custom workouts, Tabata, Rounds, Stopwatch modes, Apple Health integration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals: monthly membership | $1.99 | per month |
| Intervals: membership | $3.99 | per 3 months |
| Intervals: monthly membership | $4.99 | per month |
| Intervals: yearly membership | $6.99 | per year |
| Intervals: yearly membership | $9.99 | per year |
| Intervals: yearly membership | $19.99 | per year |
| Intervals: yearly membership | $24.99 | per year |
| Intervals: membership | $24.99 | per year |
| Intervals \| PRO version | $14.99 | one-time |
| Intervals \| Membership | $14.99 | one-time |
| Intervals \| Membership | $34.99 | one-time |
| Intervals \| Membership | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Customizable workouts
- 🚀 Versatile and efficient
- 🚀 Helpful voice prompts
- 👍 Seamless music integration

**What reviewers complain about**

- 🐛 Bugs causing lost workouts
- 🔋 High battery consumption
- 💰 Subscription-based model
- 🔒 Forced free trial
- 🐛 Timing issues with intervals

**Reported bugs**

- Workouts disappearing
- App crashes and freezes
- Timing issues with intervals

**Requested features**

- Apple Watch integration
- More customization options
- Additional audio cues and prompts
- Improved workout tracking and history


### TMR Interval Timer & Stopwatch

[App page](https://appshunter.io/ios/app/tmr-interval-timer-and-stopwatch/id6754839518)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly TMR Pro | $0.99 | per 7 days |
| TMR Pro Monthly | $3.99 | per month |
| TMR Pro Monthly | $3.99 | per month |
| TMR Pro Weekly | $5.99 | per 7 days |
| Annual TMR Pro | $10.99 | per year |
| TMR Pro Annually | $19.99 | per year |
| TMR Pro Annually | $19.99 | per year |
| Annual TMR Pro | $34.99 | per year |


## Frequently asked questions

### Is Interval Timer free?

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

### Is TMR Interval Timer & Stopwatch free?

TMR Interval Timer & Stopwatch is free to download, with in-app purchases available.

### Do Interval Timer or TMR Interval Timer & Stopwatch have ads?

Neither Interval Timer nor TMR Interval Timer & Stopwatch shows ads.

### Which is updated more often, Interval Timer or TMR Interval Timer & Stopwatch?

Interval Timer ships an update every 4 weeks, and TMR Interval Timer & Stopwatch every 9 days. Most recently, Interval Timer was updated on October 17, 2026 and TMR Interval Timer & Stopwatch on October 7, 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.*