# RegExp vs RegExpress

The clearest difference is review sentiment: RegExp at 100% against RegExpress's 0%. RegExpress's advantage is update cadence (every 3 weeks vs every 3 months) and iOS requirement (16.6 vs 18.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. RegExp sells 1 one-off in-app purchase and RegExpress sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RegExp ships an update every 3 months, RegExpress every 3 weeks. The most recent releases landed on August 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | RegExp | RegExpress |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 3 MB | 8 MB |
| Requires iOS | 18.1 | **16.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Loshadki, LLC](https://appshunter.io/developer/1546140307) | [Nevv Atlantis LLC](https://appshunter.io/developer/1785977795) |

## What reviewers say

### RegExp

[App page](https://appshunter.io/ios/app/regexp/id1546140065)

This tool allows developers to test and explore regular expression patterns across various programming language syntaxes. It offers advanced configuration options and synchronization across devices, making it ideal for learning and building complex patterns.

**Highlights:** Multiple regex engine support, Advanced Swift regex engine, Save and organize regex patterns, iCloud sync across devices, Supports Swift, Objective-C, ECMAScript, and Go regex flavors

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $2.99 | one-time |


### 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 RegExp free?

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

### Is RegExpress free?

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

### Do RegExp or RegExpress have ads?

Neither RegExp nor RegExpress shows ads.

### Which is updated more often, RegExp or RegExpress?

RegExp ships an update every 3 months, and RegExpress every 3 weeks. Most recently, RegExp was updated on August 15, 2026 and RegExpress on September 11, 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.*