# Adaptivity (A) vs RegEx Lab

The clearest difference is in-app purchases: RegEx Lab at none against Adaptivity (A)'s 4. RegEx Lab also leads on price ($0.99 vs $7.99). Adaptivity (A)'s advantage is rating (5.0 vs 4.8) and iOS requirement (11.0 vs 14.0). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

Adaptivity (A) costs $7.99 and RegEx Lab $0.99 up front. Adaptivity (A) sells 4 one-off in-app purchases. RegEx Lab asks for nothing beyond the download.

Adaptivity (A) holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 92 and 172 respectively. Written reviews split almost evenly too, at 94% and 95% positive.

Adaptivity (A) ships an update every 3 weeks, RegEx Lab monthly. Both last shipped on October 26, 2026.

## The numbers

| Metric | Adaptivity (A) | RegEx Lab |
| --- | --- | --- |
| Price | $7.99 | **$0.99** |
| Rating | **[5.0 (92 ratings)](https://appshunter.io/ios/app/adaptivity-a/id1054670022/reviews)** | [4.8 (172 ratings)](https://appshunter.io/ios/app/regex-lab-regular-expressions/id1252988123/reviews) |
| Number of ratings | 92 | **172** |
| Positive reviews | 94.3% of reviews | **95.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#75** | #77 |
| Size | 46 MB | 5 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Geoff Hackworth](https://appshunter.io/developer/463855590) | [sovio](https://appshunter.io/developer/1397333570) |

## What reviewers say

### Adaptivity (A)

[App page](https://appshunter.io/ios/app/adaptivity-a/id1054670022)

**Currently charting:** #75 Top Paid · Developer Tools (US App Store)

Visualize how app layouts adapt to different screen sizes, orientations, and dynamic text settings on iOS and iPadOS devices. Explore SF Symbols, system colors, fonts, and materials with detailed information and previews.

**Highlights:** Visualize layout sizes and margins, Explore SF Symbols across iOS versions, Preview Dynamic Type styles, View System Colors, Fonts, and Materials, Support for iPad multitasking and external displays, Widget and Siri shortcut integration

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Enormous Tip | $9.99 | one-time |


### RegEx Lab

[App page](https://appshunter.io/ios/app/regex-lab-regular-expressions/id1252988123)

**Currently charting:** #77 Top Paid · Developer Tools (US App Store)

This app allows users to test and experiment with regular expressions. It offers syntax highlighting, customizable match colors, and a detailed results list. Features include a replace function, dark and light themes, and a helpful cheatsheet for quick reference.

**Highlights:** Regex syntax highlighting, Match and capture group highlighting, Customizable highlight colors, Results list view, Replace feature, Dark and light themes, Regular expression cheatsheet

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Beautifully designed UI
- 🚀 Simple and easy to use
- ⚡ Gets regular expression tasks done quickly
- 💡 Useful offline Regex tool
- 🛠️ Essential text tool for devs and writers

**What reviewers complain about**

- 🐛 Files are hidden and not found in Files app
- 🐛 Export option makes a mess
- 🐛 Mac version has no effort put into it
- 🐛 Takes a long time for load screen to go away
- 🐛 'Select this match' option often doesn't work

**Reported bugs**

- iPad's Files app cannot find the app or Regex files
- Export option creates messy files
- Mac version lacks developer effort
- Slow load screen when creating new expressions
- Select this match option is unreliable

**Requested features**

- Make app and Regex files visible in Files app
- Improve export option for Regex files
- Add a button to clear the text window
- Allow simultaneous viewing of text and replacement text
- Add a button to copy and replace text on the previous screen


## Frequently asked questions

### Is Adaptivity (A) free?

Adaptivity (A) costs $7.99, and also offers in-app purchases.

### Is RegEx Lab free?

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

### Which has better reviews, Adaptivity (A) or RegEx Lab?

Adaptivity (A) is rated higher. Adaptivity (A) averages 5.0 out of 5 from 92 ratings, while RegEx Lab averages 4.8 from 172 ratings.

### Do Adaptivity (A) or RegEx Lab have ads?

Neither Adaptivity (A) nor RegEx Lab shows ads.

### Which is updated more often, Adaptivity (A) or RegEx Lab?

Adaptivity (A) ships an update every 3 weeks, and RegEx Lab monthly. Most recently, Adaptivity (A) was updated on October 26, 2026 and RegEx Lab on October 26, 2026.

### Which is more popular, Adaptivity (A) or RegEx Lab?

Adaptivity (A) currently peaks at #75 in the App Store charts, and RegEx Lab at #77. Chart position reflects recent download velocity rather than total install base.

---

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