# Interval Timer vs TMR Interval Timer & Stopwatch

The clearest difference is ads: TMR Interval Timer & Stopwatch at none against Interval Timer's shown. Interval Timer's advantage is device support (4 vs 1) and iOS requirement (15.0 vs 17.6). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Interval Timer sells 8 in-app purchases, starting at $3.99 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 fortnightly, TMR Interval Timer & Stopwatch every 9 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Interval Timer | TMR Interval Timer & Stopwatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (297 ratings)](https://appshunter.io/ios/app/interval-timer-purehiit/id1198752738/reviews)** | — |
| Number of ratings | **297** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 17 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Miklos Pavel](https://appshunter.io/developer/979923367) | [Aliaksei Kruchkou](https://appshunter.io/developer/1591743875) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-purehiit/id1198752738)

This app provides a simple and customizable timer for interval training like HIIT, Tabata, and EMOM. It offers audio cues, background operation, and integrates with Apple Watch for health tracking. Pre-built routines and workout reminders help users stay consistent with their fitness goals.

**Highlights:** Customizable interval timer, Audio alerts for rounds, Background operation, Apple Watch integration, Workout reminders, Pre-built routines

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |
| Premium features | Free | one-time |
| Remove Ads | $1.99 | one-time |
| Custom sounds | $1.99 | one-time |
| Premium features | $4.99 | one-time |
| Premium features | $9.99 | one-time |
| Premium features | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Great timer functionality
- 👍 Can program intervals (warmup, activity, rest, cool down)
- 👍 Supports many rounds (up to 100)
- 👍 Ability to save workouts

**What reviewers complain about**

- 💰 App became paid unexpectedly
- 💰 Premium required to start timer
- 💡 Round cap limits functionality for high rep activities
- 💡 Needs more than 30 intervals for some routines (e.g., stretching)
- 💡 Lacks a background click feature (e.g., every second)

**Reported bugs**

- Advertisements still present after paying for removal
- App requires premium to start timer (recent change)

**Requested features**

- Remove the cap on rounds
- Add a background click feature (e.g., every second)
- More sound options
- Option for more than one workout
- Add a halfway beep


### 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?

Interval Timer shows ads; TMR Interval Timer & Stopwatch does not.

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

Interval Timer ships an update fortnightly, and TMR Interval Timer & Stopwatch every 9 days. Most recently, Interval Timer was updated on October 24, 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.*