# Interval Timer vs HIIT (Watch) Timer

The clearest difference is price: Interval Timer at Free against HIIT (Watch) Timer's $3.99. Interval Timer also leads on update cadence (every 9 days vs every 2 months) and ratings volume (19K vs 12). HIIT (Watch) Timer's advantage is in-app purchases (none vs 8) and ads (none vs shown). On device support there is nothing between them.

Interval Timer is free to download; HIIT (Watch) Timer costs $3.99 up front. Interval Timer sells 6 in-app purchases, starting at $0.99 per month. HIIT (Watch) Timer asks for nothing beyond the download.

Interval Timer holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Interval Timer has 19K ratings behind it against 12, so its average is the more settled of the two. Written reviews complicate that: 69% of Interval Timer's written reviews are positive against 80% of HIIT (Watch) Timer's, so the app with the better star average is not the one people write more warmly about.

Interval Timer ships an update every 9 days, HIIT (Watch) Timer every 2 months. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Interval Timer | HIIT (Watch) Timer |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.5 (19K ratings)](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568/reviews)** | [4.2 (12 ratings)](https://appshunter.io/ios/app/hiit-watch-timer/id1234961483/reviews) |
| Number of ratings | **19K** | 12 |
| Positive reviews | 69.0% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 143 MB | 44 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [NEO PIXEL LABS PTE. LTD.](https://appshunter.io/developer/1788472183) | [RhythmicWorks](https://appshunter.io/developer/977154427) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-timer/id406473568)

This app helps you manage workout intervals with customizable work and rest periods. It runs in the background and allows music playback, with options to save settings and share progress. Integrates with Apple Health for heart rate monitoring.

**Highlights:** Customizable sets, intervals, and rest times, Runs in background and with screen locked, Music playlist integration, Save settings as templates, Apple Health integration for heart rate, Post workouts to social media

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus - 1 Month | $0.99 | per month |
| Premium - 1 Month | $1.99 | per month |
| Plus - 1 Month | $1.99 | per month |
| Premium - 1 Month | $2.99 | per month |
| Plus - 1 Year | $4.99 | per year |
| Premium - 1 Year | $9.99 | per year |

**What reviewers like**

- 🚀 Free version works well
- 👍 Customizable intervals and timers
- 👍 Flexible for different workouts
- 👍 Easy to use and set up
- 👍 Provides visual and audio cues

**What reviewers complain about**

- 🐛 Timer issues (stops, loses time)
- 🔋 Drains battery when used
- 💰 Expensive subscription model
- 📢 Intrusive ads
- 🔒 Incompatible with other apps

**Reported bugs**

- Ads block functionality
- App freezes or crashes
- Timer doesn't work in background

**Requested features**

- Add notes to workouts
- Provide workout history and analytics
- Allow syncing with Apple Health
- Improve Apple Watch integration
- Add more customization options


### HIIT (Watch) Timer

[App page](https://appshunter.io/ios/app/hiit-watch-timer/id1234961483)

This app offers a straightforward interval timer designed for Apple Watch, iPhone, and iPad. It features a clean interface, live heart rate monitoring, haptic feedback, and detailed workout summaries, seamlessly integrating with the Health app.

**Highlights:** Apple Watch independent app, Live heart rate monitoring, Haptic feedback and audio alerts, Workout summary with calories and heart rate, Health app integration, Customizable intervals (warm-up, cooldown, rest), Complications for quick access

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is HIIT (Watch) Timer free?

HIIT (Watch) Timer costs $3.99, with no in-app purchases.

### Which has better reviews, Interval Timer or HIIT (Watch) Timer?

Interval Timer is rated higher. Interval Timer averages 4.5 out of 5 from 19K ratings, while HIIT (Watch) Timer averages 4.2 from 12 ratings.

### Do Interval Timer or HIIT (Watch) Timer have ads?

Interval Timer shows ads; HIIT (Watch) Timer does not.

### Which is updated more often, Interval Timer or HIIT (Watch) Timer?

Interval Timer ships an update every 9 days, and HIIT (Watch) Timer every 2 months. Most recently, Interval Timer was updated on September 25, 2026 and HIIT (Watch) Timer on September 21, 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.*