# D'Tools vs BTS for KATANA Gen 3

The clearest difference is rating: D'Tools at 3.7 against BTS for KATANA Gen 3's 1.9. D'Tools also leads on review sentiment (49% vs 17%). BTS for KATANA Gen 3's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. D'Tools sells 1 one-off in-app purchase. BTS for KATANA Gen 3 asks for nothing beyond the download.

D'Tools holds the better App Store score, 3.7 against 1.9. Both are backed by a comparable volume of ratings — 36 and 66 respectively. Written reviews point the same way: 49% of D'Tools's written reviews are positive against 17% of BTS for KATANA Gen 3's.

D'Tools ships an update every 4 months, BTS for KATANA Gen 3 every 3 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | D'Tools | BTS for KATANA Gen 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (36 ratings)](https://appshunter.io/ios/app/dtools/id375703586/reviews)** | [1.9 (66 ratings)](https://appshunter.io/ios/app/bts-for-katana-gen-3/id6477823493/reviews) |
| Number of ratings | 36 | **66** |
| Positive reviews | **49.0% of reviews** | 16.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 31 MB | 29 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [D'Addario & Company, Inc.](https://appshunter.io/developer/308730620) | [Roland Corporation](https://appshunter.io/developer/387333694) |

## What reviewers say

### D'Tools

[App page](https://appshunter.io/ios/app/dtools/id375703586)

This app is a comprehensive toolkit for guitarists, offering features like a chord library, scale explorer, digital tuner, and metronome. It provides professional-grade utilities to help players of all levels improve their technique and explore musical possibilities.

**Highlights:** Chord library with 7,000+ chords, Scale and arpeggio explorer, Professional-grade digital tuner, Hyper-accurate digital metronome, Chord finder by fret selection, Lefty mode for chords

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buzz Feiten Tuning System | $19.99 | one-time |

**What reviewers like**

- 🎸 Comprehensive all-in-one guitar tool (tuner, metronome, chord finder, scales)
- 👍 User-friendly and intuitive interface
- 💰 Free or affordable pricing
- 🎯 Accurate tuner (when working properly)
- 📚 Extensive chord and scale library

**What reviewers complain about**

- 🐛 Frequent app crashes, especially with chord finder
- 🔊 Audio/sound issues after app closure or phone reboot
- 📱 Microphone access problems on newer iOS versions
- 🎵 Tuner accuracy issues (reads sharp or flat)
- ⚠️ Poor app support and unresponsive developers

**Reported bugs**

- Chord finder crashes app repeatedly
- Tuner stops working after iOS updates
- Microphone access not granted or requested properly
- Audio/sound stops working after app closure
- Metronome has no sound intermittently

**Requested features**

- Mute button for metronome
- Bluetooth audio output for metronome
- Dark mode/dark background for tuner visibility
- Ability to change tuning in chord dictionary
- Auto-play feature for continuous chord/scale playback


### BTS for KATANA Gen 3

[App page](https://appshunter.io/ios/app/bts-for-katana-gen-3/id6477823493)

This app allows you to wirelessly edit and organize amplifier and effect settings for your guitar amplifier. It also provides access to a community platform for sharing and downloading custom sound presets from users worldwide.

**Highlights:** Bluetooth amp and effects editing, Tone Librarian for sound organization, Access to BOSS TONE EXCHANGE, Share and download user Livesets, Integrated community platform

**In-app purchases:** none

**What reviewers like**

- 👍 Great for deep editing
- 👍 Enhances amp usability
- 👍 Functionality is great
- 👍 Makes amp a better product
- 👍 Endless possibilities

**What reviewers complain about**

- 👎 Terrible user experience
- 👎 Clunky and unintuitive UI
- 👎 Frequently loses connection
- 👎 Forgets library/sign-out issues
- 👎 Outdated interface

**Reported bugs**

- Does not connect
- Black screen when scanning
- Takes 30-60 seconds to load presets
- LEDs out of sync
- Has to sign back in every time

**Requested features**

- Landscape mode for iPad
- Landscape view
- Integrated Bluetooth into amp
- Simplified interface
- Overhaul the UI


## Frequently asked questions

### Is D'Tools free?

D'Tools is free to download, with in-app purchases available.

### Is BTS for KATANA Gen 3 free?

BTS for KATANA Gen 3 is free to download, with no in-app purchases.

### Which has better reviews, D'Tools or BTS for KATANA Gen 3?

D'Tools is rated higher. D'Tools averages 3.7 out of 5 from 36 ratings, while BTS for KATANA Gen 3 averages 1.9 from 66 ratings.

### Do D'Tools or BTS for KATANA Gen 3 have ads?

Neither D'Tools nor BTS for KATANA Gen 3 shows ads.

### Which is updated more often, D'Tools or BTS for KATANA Gen 3?

D'Tools ships an update every 4 months, and BTS for KATANA Gen 3 every 3 months. Most recently, D'Tools was updated on November 1, 2026 and BTS for KATANA Gen 3 on November 5, 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.*