# CaasWorks vs GPTCH

The clearest difference is update cadence: CaasWorks at every 3 weeks against GPTCH's every 4 months. GPTCH's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support 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, GPTCH every 4 months. The most recent releases landed on October 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CaasWorks | GPTCH |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Size | 40 MB | 34 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jongmin Kim](https://appshunter.io/developer/1131462450) | [Chung Sik Choi](https://appshunter.io/developer/1250076318) |

## What reviewers say

### CaasWorks

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

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

**In-app purchases:** none


### GPTCH

[App page](https://appshunter.io/ios/app/gptch/id6479344635)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CaasWorks free?

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

### Is GPTCH free?

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

### Do CaasWorks or GPTCH have ads?

Neither CaasWorks nor GPTCH shows ads.

### Which is updated more often, CaasWorks or GPTCH?

CaasWorks ships an update every 3 weeks, and GPTCH every 4 months. Most recently, CaasWorks was updated on October 17, 2026 and GPTCH on September 27, 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.*