# Round vs HIIT 974

The clearest difference is update cadence: HIIT 974 at every 2 days against Round's weekly. Round's advantage is device support (3 vs 1) and iOS requirement (17.2 vs 26.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Round ships an update weekly, HIIT 974 every 2 days. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Round | HIIT 974 |
| --- | --- | --- |
| 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 | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free | — |
| Size | 35 MB | 1 MB |
| Requires iOS | **17.2** | 26.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryosuke Nakayama](https://appshunter.io/developer/1865209768) | [Johan Chapelain](https://appshunter.io/developer/6779238523) |

## What reviewers say

### 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


### HIIT 974

[App page](https://appshunter.io/ios/app/hiit-974/id6779238521)

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

**In-app purchases:** none


## Frequently asked questions

### Is Round free?

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

### Is HIIT 974 free?

HIIT 974 is free to download, with no in-app purchases.

### Do Round or HIIT 974 have ads?

Neither Round nor HIIT 974 shows ads.

### Which is updated more often, Round or HIIT 974?

Round ships an update weekly, and HIIT 974 every 2 days. Most recently, Round was updated on October 10, 2026 and HIIT 974 on September 30, 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.*