# RegExp vs Npp

The clearest difference is in-app purchases: Npp at none against RegExp's 1. Npp also leads on update cadence (every 2 weeks vs every 6 months) and iOS requirement (13.0 vs 18.1). On price, ads and device support there is nothing between them.

Both are free to download. RegExp sells 1 one-off in-app purchase. Npp asks for nothing beyond the download.

RegExp ships an update every 6 months, Npp every 2 weeks. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | RegExp | Npp |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 44 MB |
| Requires iOS | 18.1 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Loshadki, LLC](https://appshunter.io/developer/1546140307) | [Ilia Bogdanovski](https://appshunter.io/developer/1499086602) |

## 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 |


### Npp

[App page](https://appshunter.io/ios/app/npp-lightweight-text-editor/id6760112915)

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

**In-app purchases:** none


## Frequently asked questions

### Is RegExp free?

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

### Is Npp free?

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

### Do RegExp or Npp have ads?

Neither RegExp nor Npp shows ads.

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

RegExp ships an update every 6 months, and Npp every 2 weeks. Most recently, RegExp was updated on October 10, 2026 and Npp on October 13, 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.*