# P 4.0 SOLUTION vs RegExpress

The clearest difference is in-app purchases: P 4.0 SOLUTION at none against RegExpress's 4. P 4.0 SOLUTION also leads on iOS requirement (14.1 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. RegExpress sells 4 one-off in-app purchases. P 4.0 SOLUTION asks for nothing beyond the download.

## The numbers

| Metric | P 4.0 SOLUTION | RegExpress |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 8 MB |
| Requires iOS | **14.1** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [ECODYGER SRL SOCIETA  BENEFIT](https://appshunter.io/developer/1579342790) | [Nevv Atlantis LLC](https://appshunter.io/developer/1785977795) |

## What reviewers say

### P 4.0 SOLUTION

[App page](https://appshunter.io/ios/app/p-40-solution/id1579342788)

**In-app purchases:** none


### RegExpress

[App page](https://appshunter.io/ios/app/regexpress/id6745237099)

This app is a comprehensive tool for building, testing, and debugging regular expressions. It offers real-time matching, syntax highlighting, and supports multiple regex flavors. Learn and practice with tutorials, puzzles, and challenges.

**Highlights:** Real-time regex matching, Support for 5 regex flavors, Step-by-step regex debugger, Pattern Library for saving patterns, Learning tutorials and daily puzzles, iCloud sync for Pro users, Universal app for iOS and Mac

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip $1 | $0.99 | one-time |
| Tip3 | $2.99 | one-time |
| RegExpress Pro | $4.99 | one-time |
| Tip5 | $4.99 | one-time |


## Frequently asked questions

### Is P 4.0 SOLUTION free?

P 4.0 SOLUTION is free to download, with no in-app purchases.

### Is RegExpress free?

RegExpress is free to download, with in-app purchases available.

### Do P 4.0 SOLUTION or RegExpress have ads?

Neither P 4.0 SOLUTION nor RegExpress shows ads.

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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.*