# CaasWorks vs ZenTimer Pro

The clearest difference is iOS requirement: CaasWorks at 15.6 against ZenTimer Pro's 18.5. 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.

CaasWorks ships an update every 3 weeks, ZenTimer Pro every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | CaasWorks | ZenTimer Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 40 MB | 11 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jongmin Kim](https://appshunter.io/developer/1131462450) | [ABDESSAMAD EL MOGHIR](https://appshunter.io/developer/1837654105) |

## What reviewers say

### CaasWorks

[App page](https://appshunter.io/ios/app/caasworks-contech/id1615681754)

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

**In-app purchases:** none


### ZenTimer Pro

[App page](https://appshunter.io/ios/app/zentimer-pro/id6755069116)

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

**In-app purchases:** none


## Frequently asked questions

### Is CaasWorks free?

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

### Is ZenTimer Pro free?

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

### Do CaasWorks or ZenTimer Pro have ads?

Neither CaasWorks nor ZenTimer Pro shows ads.

### Which is updated more often, CaasWorks or ZenTimer Pro?

CaasWorks ships an update every 3 weeks, and ZenTimer Pro every 2 weeks. Most recently, CaasWorks was updated on October 25, 2026 and ZenTimer Pro 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.*