# HIIT Timer vs Round

The clearest difference is in-app purchases: Round at none against HIIT Timer's 3. Round also leads on update cadence (weekly vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. HIIT Timer sells 3 in-app purchases, starting at $0.49 per month. Round asks for nothing beyond the download.

HIIT Timer ships an update every 3 months, Round weekly. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | HIIT Timer | Round |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/round-hiit-workout-timer/id6757195833/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 21 MB | 35 MB |
| Requires iOS | 18.2 | **17.2** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [KAZUNORI WAKAMATSU](https://appshunter.io/developer/1721880240) | [Ryosuke Nakayama](https://appshunter.io/developer/1865209768) |

## What reviewers say

### HIIT Timer

[App page](https://appshunter.io/ios/app/hiit-timer-workout-and-tabata/id6749171654)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium plan (1 month) | $0.49 | per month |
| Premium plan (annual) | $5.99 | per year |
| PremiumPlan(one-time purchase) | $14.99 | one-time |


### 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 HIIT Timer free?

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

### Is Round free?

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

### Do HIIT Timer or Round have ads?

Neither HIIT Timer nor Round shows ads.

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

HIIT Timer ships an update every 3 months, and Round weekly. Most recently, HIIT Timer was updated on October 14, 2026 and Round on October 10, 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.*