# BTS for KATANA vs AB Looper

The clearest difference is rating: AB Looper at 5.0 against BTS for KATANA's 3.1. AB Looper also leads on update cadence (every 3 weeks vs every 4 months). BTS for KATANA's advantage is in-app purchases (none vs 1) and ratings volume (23 vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. AB Looper sells 1 one-off in-app purchase. BTS for KATANA asks for nothing beyond the download.

AB Looper holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: BTS for KATANA has 23 ratings behind it against 1, so its average is the more settled of the two.

BTS for KATANA ships an update every 4 months, AB Looper every 3 weeks. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | BTS for KATANA | AB Looper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (23 ratings)](https://appshunter.io/ios/app/bts-for-katanago/id6469464648/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ab-looper/id6742419880/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 27.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 48 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roland Corporation](https://appshunter.io/developer/387333694) | [Arthur Silva](https://appshunter.io/developer/1798293810) |

## What reviewers say

### BTS for KATANA

[App page](https://appshunter.io/ios/app/bts-for-katanago/id6469464648)

Connect your BOSS KATANA:GO amplifier to your iOS device to edit tones, manage your sound library, and access a global community of guitarists. Share your own custom sounds and download presets from others worldwide.

**Highlights:** Bluetooth connectivity, Tone editing, Tone librarian, Session function, Access BOSS TONE EXCHANGE, Share and download Livesets

**In-app purchases:** none


### AB Looper

[App page](https://appshunter.io/ios/app/ab-looper/id6742419880)

This video player allows you to set start and end points to repeatedly play specific sections of any video. Adjust playback speed and save your favorite clips for easy access. Ideal for practicing music, dance, or language learning.

**Highlights:** Set A/B loop markers, Repeat specific video sections, Adjust playback speed, Paste YouTube/Instagram URLs, Star favorite videos, Browse playback history

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AB Looper Pro | $7.99 | one-time |


## Frequently asked questions

### Is BTS for KATANA free?

BTS for KATANA is free to download, with no in-app purchases.

### Is AB Looper free?

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

### Which has better reviews, BTS for KATANA or AB Looper?

AB Looper is rated higher. BTS for KATANA averages 3.1 out of 5 from 23 ratings, while AB Looper averages 5.0 from 1 ratings.

### Do BTS for KATANA or AB Looper have ads?

Neither BTS for KATANA nor AB Looper shows ads.

### Which is updated more often, BTS for KATANA or AB Looper?

BTS for KATANA ships an update every 4 months, and AB Looper every 3 weeks. Most recently, BTS for KATANA was updated on November 5, 2026 and AB Looper on November 4, 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.*