# Round Timer vs Simple Interval Workout Timer

The clearest difference is in-app purchases: Simple Interval Workout Timer at none against Round Timer's 8. Simple Interval Workout Timer also leads on ads (none vs shown). Round Timer's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17). On price and update cadence there is nothing between them.

Both are free to download. Round Timer sells 8 in-app purchases, starting at $3.99 per month. Simple Interval Workout Timer asks for nothing beyond the download.

Round Timer ships an update every 3 weeks, Simple Interval Workout Timer every 2 weeks. The most recent releases landed on September 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Round Timer | Simple Interval Workout Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (296 ratings)](https://appshunter.io/ios/app/round-timer-purehiit/id1198752738/reviews)** | — |
| Number of ratings | **296** | — |
| Positive reviews | 73.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 12 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Miklos Pavel](https://appshunter.io/developer/979923367) | [Nikola Radovanovic](https://appshunter.io/developer/1778432344) |

## What reviewers say

### Round Timer

[App page](https://appshunter.io/ios/app/round-timer-purehiit/id1198752738)

This app provides a simple and customizable timer for interval training like HIIT, Tabata, and EMOM. It offers audio cues, background operation, and integrates with Apple Watch for health tracking. Pre-built routines and workout reminders help users stay consistent with their fitness goals.

**Highlights:** Customizable interval timer, Audio alerts for rounds, Background operation, Apple Watch integration, Workout reminders, Pre-built routines

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |
| Premium features | Free | one-time |
| Remove Ads | $1.99 | one-time |
| Custom sounds | $1.99 | one-time |
| Premium features | $4.99 | one-time |
| Premium features | $9.99 | one-time |
| Premium features | $14.99 | one-time |


### Simple Interval Workout Timer

[App page](https://appshunter.io/ios/app/simple-interval-workout-timer/id6759857813)

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

**In-app purchases:** none


## Frequently asked questions

### Is Round Timer free?

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

### Is Simple Interval Workout Timer free?

Simple Interval Workout Timer is free to download, with no in-app purchases.

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

Round Timer shows ads; Simple Interval Workout Timer does not.

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

Round Timer ships an update every 3 weeks, and Simple Interval Workout Timer every 2 weeks. Most recently, Round Timer was updated on September 12, 2026 and Simple Interval Workout Timer on September 22, 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.*