# RegEx vs Auctorium

The clearest difference is price: RegEx at Free against Auctorium's $4.99. RegEx also leads on iOS requirement (15.0 vs 26.2). Auctorium's advantage is in-app purchases (none vs 2) and update cadence (every 5 days vs fortnightly). On ads and device support there is nothing between them.

RegEx is free to download; Auctorium costs $4.99 up front. RegEx sells 2 one-off in-app purchases. Auctorium asks for nothing beyond the download.

RegEx ships an update fortnightly, Auctorium every 5 days. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | RegEx | Auctorium |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (25 ratings)](https://appshunter.io/ios/app/regex-learning/id6744048728/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 57 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 17+ |
| Developer | [Lee Clayberg](https://appshunter.io/developer/1580321355) | [Ezequiel Santos](https://appshunter.io/developer/881137141) |

## What reviewers say

### RegEx

[App page](https://appshunter.io/ios/app/regex-learning/id6744048728)

Master regular expressions with interactive lessons and real-world challenges. This app guides you from beginner to expert, offering hands-on exercises and a live tester to solidify your understanding of complex patterns.

**Highlights:** Step-by-step lessons, Interactive exercises, Live regex tester, Comprehensive topics, Real-world scenarios, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete the Course | $4.99 | one-time |
| Advanced, Expert, Review | $4.99 | one-time |


### Auctorium

[App page](https://appshunter.io/ios/app/auctorium/id6756827686)

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RegEx free?

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

### Is Auctorium free?

Auctorium costs $4.99, with no in-app purchases.

### Do RegEx or Auctorium have ads?

Neither RegEx nor Auctorium shows ads.

### Which is updated more often, RegEx or Auctorium?

RegEx ships an update fortnightly, and Auctorium every 5 days. Most recently, RegEx was updated on October 24, 2026 and Auctorium on October 22, 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.*