# 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 (391 vs 1) and iOS requirement (15.0 vs 17.2). Round's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Interval Timer sells 10 in-app purchases, starting at $2.09 per month. 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 391 ratings behind it against 1, so its average is the more settled of the two.

Interval Timer ships an update monthly, 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 (391 ratings)](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/round-hiit-workout-timer/id6757195833/reviews) |
| Number of ratings | **391** | 1 |
| Positive reviews | 96.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 35 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SimpleInnovation LLC](https://appshunter.io/developer/1479770962) | [Ryosuke Nakayama](https://appshunter.io/developer/1865209768) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-tabata-and-hiit/id6443672034)

This app provides a customizable interval timer for various training routines, including HIIT and Tabata. Easily set up custom workouts, track your progress, and stay motivated with visual cues and audio notifications. It's suitable for a wide range of activities from fitness to productivity.

**Highlights:** Customizable workout setup, Progress tracking with calendar, Saveable custom presets, Color-coded notifications, Listen to music/audiobooks, Large, full-screen display, Widget for easy access

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timer PRO for 1 month: 30% OFF | $2.09 | per month |
| Timer PRO for 1 month: 25% OFF | $2.29 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO for 1 month | $2.99 | per month |
| Interval Timer PRO - 30% OFF | $15.00 | per year |
| Interval Timer PRO for 1 year | $21.99 | per year |
| Tabata Timer PRO for 1 year | $21.99 | per year |
| Interval Timer - no Ads | $2.99 | one-time |
| HIIT Timer PRO Forever 30% OFF | $27.99 | one-time |
| Exercise Timer PRO Forever | $39.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Intuitive interface
- 🔋 Doesn't drain battery
- 💪 Effective for interval training
- 📆 Tracks workout history

**What reviewers complain about**

- 🔔 Frequent prompts to rate the app
- 🔒 Concerns about data privacy and permissions
- 🔧 Limited customization options

**Reported bugs**

- Occasional app crashes
- Compatibility issues with older devices

**Requested features**

- More pre-designed workout routines
- Ability to name and customize exercises
- Option to adjust countdown time between intervals


### 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 391 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 monthly, 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.*