# CertTool vs DevMate

The clearest difference is ads: CertTool at none against DevMate's shown. DevMate's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CertTool ships an update every 2 months, DevMate weekly. The most recent releases landed on September 23, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | CertTool | DevMate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 6 MB | 27 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tim Wilbrink](https://appshunter.io/developer/412396045) | [Beijing Chenghan Bowen Education Technology Co., Ltd.](https://appshunter.io/developer/6778456235) |

## What reviewers say

### CertTool

[App page](https://appshunter.io/ios/app/certtool/id6742362154)

**Features:** macOS Compatibility

**In-app purchases:** none


### DevMate

[App page](https://appshunter.io/ios/app/devmate-developer-toolbox/id6787850263)

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

**In-app purchases:** none


## Frequently asked questions

### Is CertTool free?

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

### Is DevMate free?

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

### Do CertTool or DevMate have ads?

DevMate shows ads; CertTool does not.

### Which is updated more often, CertTool or DevMate?

CertTool ships an update every 2 months, and DevMate weekly. Most recently, CertTool was updated on September 23, 2026 and DevMate on August 16, 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.*