# Interval Timer vs Round

The clearest difference is rating: Interval Timer at 4.9 against Round's 4.0. Interval Timer also leads on ratings volume (250 vs 1) and iOS requirement (13.0 vs 17.2). Round's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Interval Timer sells 1 one-off in-app purchase. Round asks for nothing beyond the download.

Interval Timer holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Interval Timer has 250 ratings behind it against 1, so its average is the more settled of the two.

Interval Timer ships an update every 2 months, Round every 8 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Interval Timer | Round |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (250 ratings)](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/round-hiit-workout-timer/id6757195833/reviews) |
| Number of ratings | **250** | 1 |
| Positive reviews | 84.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 35 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Yosyp Hameliak](https://appshunter.io/developer/895008826) | [Ryosuke Nakayama](https://appshunter.io/developer/1865209768) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-workout/id1596127692)

This interval timer is designed for HIIT and interval training. Easily set work and rest periods, sets, and rounds to guide your workouts. It supports background operation and music playback, with an Apple Watch companion app for heart rate monitoring.

**Highlights:** Customizable work and rest periods, Set number of sets and rounds, Background operation support, Music playback compatibility, Apple Watch integration, Heart rate monitoring (Apple Watch)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Efficient for workouts
- 💰 One-time purchase option
- ✨ Clean and uncluttered design
- 💪 Great for various training types

**What reviewers complain about**

- 🔇 Lack of customizable sounds
- 🚫 Ads can be intrusive
- ⚠️ App pauses when phone is locked
- 🗣️ Voice can be monotonous
- 🔄 Inconsistent sound notifications

**Reported bugs**

- App pauses when phone is locked
- Sound notifications are inconsistent
- App doesn't run in background
- Watch app not opening or syncing
- In-app purchase issues

**Requested features**

- Option for different/upbeat voice
- Ability to reorder saved timers
- Larger font size option
- Vibrate option
- Naming individual sets/exercises


### Round

[App page](https://appshunter.io/ios/app/round-hiit-workout-timer/id6757195833)

This interval timer is designed for high-intensity interval training (HIIT), Tabata, and circuit workouts. It allows users to create custom routines with multiple exercises and track their progress. The app offers haptic alerts and can be controlled from an Apple Watch.

**Highlights:** Customizable interval routines, HIIT, Tabata, and circuit training support, Apple Watch control, Haptic alerts for round changes, Visual arc timer, Workout progress tracking, Apple Health integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Interval Timer free?

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

### Is Round free?

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

### Which has better reviews, Interval Timer or Round?

Interval Timer is rated higher. Interval Timer averages 4.9 out of 5 from 250 ratings, while Round averages 4.0 from 1 ratings.

### Do Interval Timer or Round have ads?

Interval Timer shows ads; Round does not.

### Which is updated more often, Interval Timer or Round?

Interval Timer ships an update every 2 months, and Round every 8 days. Most recently, Interval Timer was updated on November 3, 2026 and Round on October 31, 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.*