# Interval Timer vs Round

The clearest difference is in-app purchases: Round at none against Interval Timer's 3. Round also leads on ads (none vs shown) and update cadence (every 8 days vs every 4 weeks). Interval Timer's advantage is iOS requirement (15.6 vs 17.2). On price and device support there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $3.99 per month. Round asks for nothing beyond the download.

Interval Timer ships an update every 4 weeks, Round every 8 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Interval 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 | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | — | Free |
| Size | 13 MB | 35 MB |
| Requires iOS | **15.6** | 17.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Dziahel](https://appshunter.io/developer/1822996017) | [Ryosuke Nakayama](https://appshunter.io/developer/1865209768) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-workout-hiit/id6756293115)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Timer PRO | $3.99 | per month |
| Interval Tabata Timer | $3.99 | per 7 days |
| Interval Timer PRO | $24.99 | 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 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.

### 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 4 weeks, and Round every 8 days. Most recently, Interval Timer was updated on October 25, 2026 and Round on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*