# RegEx Knife vs Banish

The clearest difference is price: RegEx Knife at Free against Banish's $2.99. RegEx Knife also leads on rating (4.3 vs 3.8) and review sentiment (62% vs 39%). Banish's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (263 vs 25). On ads, in-app purchases, monetization model and device support there is nothing between them.

RegEx Knife is free to download; Banish costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RegEx Knife holds the better App Store score, 4.3 against 3.8. That said, the two scores are not equally well evidenced: Banish has 263 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 62% of RegEx Knife's written reviews are positive against 39% of Banish's.

RegEx Knife ships an update every 3 months, Banish every 3 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | RegEx Knife | Banish |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.3 (25 ratings)](https://appshunter.io/ios/app/regex-knife/id894169288/reviews)** | [3.8 (263 ratings)](https://appshunter.io/ios/app/banish-block-open-in-app/id1632848430/reviews) |
| Number of ratings | 25 | **263** |
| Positive reviews | **61.5% of reviews** | 39.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 4 MB | 3 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mark Alldritt](https://appshunter.io/developer/506691275) | [Big Pineapple LLC](https://appshunter.io/developer/1632848432) |

## What reviewers say

### RegEx Knife

[App page](https://appshunter.io/ios/app/regex-knife/id894169288)

This tool simplifies working with regular expressions by allowing users to highlight and edit capture groups, immediately viewing the results. It also facilitates experimentation with regex substitutions, offering a straightforward approach to complex pattern matching.

**Highlights:** Highlight capture groups, Edit capture groups, See immediate results, Experiment with substitutions, Works on iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### Banish

[App page](https://appshunter.io/ios/app/banish-block-open-in-app/id1632848430)

This Safari extension blocks intrusive "Open in App" popups and other website annoyances on your iPhone and iPad. Enjoy a cleaner browsing experience without unwanted interruptions or dark patterns.

**Highlights:** Blocks 'Open in App' popups, Removes website dark patterns, One-time purchase, Private and data-free, Simple to enable, Fast and efficient

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works great
- 🚀 Blocks annoying popups
- 💡 Useful for blocking 'open in app' prompts
- 👍 Simple and effective

**What reviewers complain about**

- 🐛 Doesn't work on certain websites
- 🐛 Breaks functionality on some sites
- 🐛 Inconsistent performance
- 🐛 Doesn't block all 'open in app' banners

**Reported bugs**

- Breaks Twitter functionality
- Causes issues with Reddit and other sites
- Doesn't work on YouTube, TikTok, LinkedIn

**Requested features**

- More granular control/whitelisting
- Statistics/logging feature
- Improved compatibility with more websites


## Frequently asked questions

### Is RegEx Knife free?

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

### Is Banish free?

Banish costs $2.99, with no in-app purchases.

### Which has better reviews, RegEx Knife or Banish?

RegEx Knife is rated higher. RegEx Knife averages 4.3 out of 5 from 25 ratings, while Banish averages 3.8 from 263 ratings.

### Do RegEx Knife or Banish have ads?

Neither RegEx Knife nor Banish shows ads.

### Which is updated more often, RegEx Knife or Banish?

RegEx Knife ships an update every 3 months, and Banish every 3 weeks. Most recently, RegEx Knife was updated on November 1, 2026 and Banish on November 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.*