Catalyst Edit vs BTS for GX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Catalyst Edit
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.
- Load and save presets
- Store presets on amp
- Guitar tuning
- Access DSP parameters
- iOS device control
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Use your iOS device to unlock the full potential of your Line 6 Catalyst amplifier. Load and save presets from your iOS device, store presets on your Catalyst Amp, tune your guitar, and access DSP parameters that cannot be edited directly on your Catalyst amplifier.
BTS for GX
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.
- Bluetooth connectivity with GX-100
- Download additional tones (Livesets)
- Tone editing functionality
- Tone librarian
- Access to BOSS TONE EXCHANGE
- Share and download user Livesets
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BOSS TONE STUDIO dedicated for GX-100. ●Connect the BOSS GX-100 and your iPhone/iPad via Bluetooth to use this app. * BOSS GX-100 (later than ver.1.10) and BluetoothR Audio MIDI Dual Adaptor (BT-DUAL) are necessary to use this app. * Set up the Bluetooth connection in the Connection window displayed after the app is launched. ●BOSS TONE STUDIO incorporates convenient functions; ‘Download Function of Additional Tones (Livesets)’, ‘Tone Edit Function’, and ‘Tone Librarian Function’. ●This app provides an integrated access to the BOSS TONE EXCHANGE. Support share your original Livesets and download users Livesets around the world. * An active internet connection is required to access the BOSS TONE EXCHANGE.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Catalyst Edit | BTS for GX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (262 ratings) — better | 2.2 (15 ratings) |
| Positive reviews | 27.3% of reviews — better | 13.5% of reviews |
| Number of ratings | 262 — better | 15 |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 25 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Line 6 | Roland Corporation |
Customer experience
Catalyst Edit
BTS for GX
In-app purchases
Catalyst Edit
No in-app purchases
BTS for GX
No in-app purchases
Questions
Is Catalyst Edit free?
Is BTS for GX free?
Which has better reviews, Catalyst Edit or BTS for GX?
Do Catalyst Edit or BTS for GX have ads?
Which is updated more often, Catalyst Edit or BTS for GX?
Other comparisons
