# ZaWorld vs Roundwork

The clearest difference is iOS requirement: ZaWorld at 17 against Roundwork's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ZaWorld ships an update every 3 weeks, Roundwork every 2 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ZaWorld | Roundwork |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 5 MB | 4 MB |
| Requires iOS | **17** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [OMTea App](https://appshunter.io/developer/1155973880) | [Dominik Meierhofer](https://appshunter.io/developer/6778681489) |

## What reviewers say

### ZaWorld

[App page](https://appshunter.io/ios/app/zaworld-limit-break-timer/id6747093351)

**Features:** macOS Compatibility

**In-app purchases:** none


### Roundwork

[App page](https://appshunter.io/ios/app/roundwork-interval-timer/id6778681487)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZaWorld free?

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

### Is Roundwork free?

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

### Do ZaWorld or Roundwork have ads?

Neither ZaWorld nor Roundwork shows ads.

### Which is updated more often, ZaWorld or Roundwork?

ZaWorld ships an update every 3 weeks, and Roundwork every 2 weeks. Most recently, ZaWorld was updated on October 7, 2026 and Roundwork on October 10, 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.*