# Simple Interval Timer vs Round Timer

The clearest difference is ads: Simple Interval Timer at none against Round Timer's shown. Simple Interval Timer also leads on update cadence (weekly vs every 2 months) and iOS requirement (17.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Interval Timer sells 2 in-app purchases, starting at $0.99 per month and Round Timer sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Simple Interval Timer ships an update weekly, Round Timer every 2 months. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Simple Interval Timer | Round Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/round-timer-hiit-and-tabata/id6761403287/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 13 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [阳 童](https://appshunter.io/developer/1782546459) | [Sandeep Bhandari](https://appshunter.io/developer/794284640) |

## What reviewers say

### Simple Interval Timer

[App page](https://appshunter.io/ios/app/simple-interval-timer-flexy/id6742375743)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Yearly Premium | $4.99 | per year |


### Round Timer

[App page](https://appshunter.io/ios/app/round-timer-hiit-and-tabata/id6761403287)

This app provides a simple and clear interval timer for various workout types like HIIT, Tabata, and boxing. It offers quick start options, large visual cues, and voice prompts to keep you focused during your training sessions.

**Highlights:** Quick start for last workout, Built-in workout presets, Custom workout builder, Large visual countdown, Voice cues, Lock Screen and Live Activity support, Workout history tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Annual | $29.99 | per year |
| Forever Pro | $99.99 | one-time |


## Frequently asked questions

### Is Simple Interval Timer free?

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

### Is Round Timer free?

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

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

Round Timer shows ads; Simple Interval Timer does not.

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

Simple Interval Timer ships an update weekly, and Round Timer every 2 months. Most recently, Simple Interval Timer was updated on October 28, 2026 and Round Timer 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.*