# RegEx Tester vs Dev Tool box

The clearest difference is price: Dev Tool box at Free against RegEx Tester's $0.99. Dev Tool box also leads on update cadence (every 3 weeks vs every 5 months). RegEx Tester's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.0). On in-app purchases and device support there is nothing between them.

Dev Tool box is free to download; RegEx Tester costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RegEx Tester ships an update every 5 months, Dev Tool box every 3 weeks. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RegEx Tester | Dev Tool box |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 0 MB | 4 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Marco Tini](https://appshunter.io/developer/544232459) | [Seonggon Sim](https://appshunter.io/developer/1565259950) |

## What reviewers say

### RegEx Tester

[App page](https://appshunter.io/ios/app/regex-tester/id6748038416)

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

**In-app purchases:** none


### Dev Tool box

[App page](https://appshunter.io/ios/app/dev-tool-box-developer-tools/id6749840624)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RegEx Tester free?

RegEx Tester costs $0.99, with no in-app purchases.

### Is Dev Tool box free?

Dev Tool box is free to download, with no in-app purchases.

### Do RegEx Tester or Dev Tool box have ads?

Dev Tool box shows ads; RegEx Tester does not.

### Which is updated more often, RegEx Tester or Dev Tool box?

RegEx Tester ships an update every 5 months, and Dev Tool box every 3 weeks. Most recently, RegEx Tester was updated on October 5, 2026 and Dev Tool box on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*