# RegEspresso vs addy.io extension

The clearest difference is update cadence: addy.io extension at every 4 weeks against RegEspresso's every 8 months. RegEspresso's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

RegEspresso ships an update every 8 months, addy.io extension every 4 weeks. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | RegEspresso | addy.io extension |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/regespresso/id903640131/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 1 MB | 7 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yichen Cao](https://appshunter.io/developer/1470874785) | [addy.io](https://appshunter.io/developer/1758544549) |

## What reviewers say

### RegEspresso

[App page](https://appshunter.io/ios/app/regespresso/id903640131)

Test regular expressions with ease. Input your regex pattern and source text to see matches highlighted in real-time. A straightforward tool for developers and anyone working with text patterns.

**Highlights:** Real-time regex matching, On-the-fly highlighting, Input regex filter, Input source text

**Features:** macOS Compatibility

**In-app purchases:** none


### addy.io extension

[App page](https://appshunter.io/ios/app/addyio-extension/id6670220050)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RegEspresso free?

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

### Is addy.io extension free?

addy.io extension is free to download, with no in-app purchases.

### Do RegEspresso or addy.io extension have ads?

Neither RegEspresso nor addy.io extension shows ads.

### Which is updated more often, RegEspresso or addy.io extension?

RegEspresso ships an update every 8 months, and addy.io extension every 4 weeks. Most recently, RegEspresso was updated on October 3, 2026 and addy.io extension on October 7, 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.*