# Rounds Interval Timer vs Strike Timer Interval Training

The clearest difference is in-app purchases: Rounds Interval Timer at none against Strike Timer Interval Training's 1. Rounds Interval Timer also leads on update cadence (every 5 days vs every 3 weeks). Strike Timer Interval Training's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Strike Timer Interval Training sells 1 in-app purchase, starting at $14.99 per year. Rounds Interval Timer asks for nothing beyond the download.

Rounds Interval Timer ships an update every 5 days, Strike Timer Interval Training every 3 weeks. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Rounds Interval Timer | Strike Timer Interval Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 3 MB | 47 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Hieu Vu](https://appshunter.io/developer/1873600666) | [Shannon Kempenich](https://appshunter.io/developer/579568236) |

## What reviewers say

### Rounds Interval Timer

[App page](https://appshunter.io/ios/app/rounds-interval-timer/id6758914672)

**Features:** macOS Compatibility

**In-app purchases:** none


### Strike Timer Interval Training

[App page](https://appshunter.io/ios/app/strike-timer-interval-training/id6761288575)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Strike Timer Pro | $14.99 | per year |


## Frequently asked questions

### Is Rounds Interval Timer free?

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

### Is Strike Timer Interval Training free?

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

### Do Rounds Interval Timer or Strike Timer Interval Training have ads?

Neither Rounds Interval Timer nor Strike Timer Interval Training shows ads.

### Which is updated more often, Rounds Interval Timer or Strike Timer Interval Training?

Rounds Interval Timer ships an update every 5 days, and Strike Timer Interval Training every 3 weeks. Most recently, Rounds Interval Timer was updated on October 13, 2026 and Strike Timer Interval Training 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.*