# Strike Timer Interval Training vs RoundBell

The clearest difference is in-app purchases: RoundBell at none against Strike Timer Interval Training's 1. RoundBell also leads on update cadence (every 6 days vs every 3 weeks). Strike Timer Interval Training's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads 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. RoundBell asks for nothing beyond the download.

Strike Timer Interval Training ships an update every 3 weeks, RoundBell every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Strike Timer Interval Training | RoundBell |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free |
| Size | 47 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shannon Kempenich](https://appshunter.io/developer/579568236) | [Starcrown Inc](https://appshunter.io/developer/1082624152) |

## What reviewers say

### 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 |


### RoundBell

[App page](https://appshunter.io/ios/app/roundbell-boxing-timer/id6761452918)

This interval timer app is designed for boxing, kickboxing, and martial arts training. It offers customizable round times, audio cues, and voice alerts to keep you on track during workouts. Save your preferred settings for quick access and enjoy a clear, large display visible from a distance.

**Highlights:** Customizable round and interval times, Gong and horn sound alerts, Audio countdowns and voice notifications, Save and load custom presets, Haptic feedback for notifications, Screen wake lock for continuous display

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

**In-app purchases:** none


## Frequently asked questions

### Is Strike Timer Interval Training free?

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

### Is RoundBell free?

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

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

Neither Strike Timer Interval Training nor RoundBell shows ads.

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

Strike Timer Interval Training ships an update every 3 weeks, and RoundBell every 6 days. Most recently, Strike Timer Interval Training was updated on October 24, 2026 and RoundBell on October 25, 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.*