# Round vs Cyca Interval Timer

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

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

Round ships an update weekly, Cyca Interval Timer every 2 weeks. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Round | Cyca Interval Timer |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | — |
| Size | 35 MB | 61 MB |
| Requires iOS | 17.2 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryosuke Nakayama](https://appshunter.io/developer/1865209768) | [B8T LABS](https://appshunter.io/developer/6778463963) |

## 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


### Cyca Interval Timer

[App page](https://appshunter.io/ios/app/cyca-interval-timer/id6785018234)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告を非表示 | $1.99 | one-time |


## Frequently asked questions

### Is Round free?

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

### Is Cyca Interval Timer free?

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

### Do Round or Cyca Interval Timer have ads?

Cyca Interval Timer shows ads; Round does not.

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

Round ships an update weekly, and Cyca Interval Timer every 2 weeks. Most recently, Round was updated on October 10, 2026 and Cyca Interval Timer on October 6, 2026.

---

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