# Catalyst Edit vs BTS for GX

The clearest difference is rating: Catalyst Edit at 4.7 against BTS for GX's 2.2. Catalyst Edit also leads on ratings volume (262 vs 15) and review sentiment (27% vs 14%). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Catalyst Edit holds the better App Store score, 4.7 against 2.2. That said, the two scores are not equally well evidenced: Catalyst Edit has 262 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 27% of Catalyst Edit's written reviews are positive against 14% of BTS for GX's.

Catalyst Edit ships an update monthly, BTS for GX every 5 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Catalyst Edit | BTS for GX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (262 ratings)](https://appshunter.io/ios/app/catalyst-edit/id1573267266/reviews)** | [2.2 (15 ratings)](https://appshunter.io/ios/app/bts-for-gx-100/id1593790368/reviews) |
| Number of ratings | **262** | 15 |
| Positive reviews | **27.3% of reviews** | 13.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | Free |
| Size | 25 MB | 23 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Line 6](https://appshunter.io/developer/356473190) | [Roland Corporation](https://appshunter.io/developer/387333694) |

## What reviewers say

### Catalyst Edit

[App page](https://appshunter.io/ios/app/catalyst-edit/id1573267266)

Control and customize your Line 6 Catalyst amplifier directly from your iOS device. Save and load presets, tune your guitar, and access advanced DSP parameters for a more personalized sound.

**Highlights:** Load and save presets, Store presets on amp, Guitar tuning, Access DSP parameters, iOS device control

**Features:** Vision Pro support

**In-app purchases:** none


### BTS for GX

[App page](https://appshunter.io/ios/app/bts-for-gx-100/id1593790368)

This app allows you to connect your BOSS GX-100 guitar effects processor to your iPhone or iPad via Bluetooth. You can download new tones, edit existing ones, and share your creations with a global community of musicians.

**Highlights:** Bluetooth connectivity with GX-100, Download additional tones (Livesets), Tone editing functionality, Tone librarian, Access to BOSS TONE EXCHANGE, Share and download user Livesets

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Catalyst Edit free?

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

### Is BTS for GX free?

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

### Which has better reviews, Catalyst Edit or BTS for GX?

Catalyst Edit is rated higher. Catalyst Edit averages 4.7 out of 5 from 262 ratings, while BTS for GX averages 2.2 from 15 ratings.

### Do Catalyst Edit or BTS for GX have ads?

Neither Catalyst Edit nor BTS for GX shows ads.

### Which is updated more often, Catalyst Edit or BTS for GX?

Catalyst Edit ships an update monthly, and BTS for GX every 5 weeks. Most recently, Catalyst Edit was updated on November 3, 2026 and BTS for GX on November 3, 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.*