D'Chords vs UAFX Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
D'Chords
Access a vast library of over 7800 guitar chords with detailed fingerings and virtual fretboard displays. Explore chords in various positions, hear them played, and switch between left and right-handed views.
- Over 7000 guitar chords
- Virtual fretboard display
- Multiple fretboard positions
- Strum and hear chords
- Left and right-handed diagrams
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D'Chords is the quintessential hand-held guitar chord library brought to you by D'Addario & Company, Inc., the world's largest designer, manufacturer and distributor of musical instrument accessories. D'Chords is a companion to D'Addario's complete guitar scale and arpeggio app, "D'Scales." The D'Addario D'Chords puts a comprehensive and accurate library of over 7800 guitar chords into the palm of your hand. The D'Chords displays the notes and fingerings on a virtual fretboard, and allows you to view each chord selected in every position up and down the guitar neck. You can even strum the virtual strings to play and hear each chord in pristine audio. The library is separated into Root, Chord Type and Chord Variants, allowing you to navigate to any chord easily and quickly. The D'Chords even has a "lefty mode" for the often-ignored left handed guitarist. Enjoy exploring and expanding your chord vocabulary with this easy-to-use, comprehensive library. FEATURES: - More than 7000 chords in the Library - Displays notes and fingerings on a virtual fretboard - Displays chords in multiple fretboard positions - Strum strings to play and hear chord - Includes left-and right-handed diagrams D'Chords was developed by Audiofile Engineering, a leading developer of audio software for Mac OS X and the iPhone.
UAFX Control
This app enhances the functionality of Universal Audio's stompbox effects pedals. Users can customize pedal features, manage presets, and access new functionalities through firmware updates. It offers improved Bluetooth connectivity for faster and more reliable connections.
- Customize pedal features
- Manage presets
- Bluetooth connectivity
- Firmware update support
- OX Stomp editor
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UAFX Control is the companion application for Universal Audio's line of stompbox effects pedals. You can use the app to customize pedal features and more. What's New in v3.0.5 • Fixed slider value and slider responsiveness issues What's New in v3.0.4 • OX Stomp editor and preset improvements • Other minor fixes and enhancements What's New in v3.0.2 • Minor bug fixes and improvements What's New in v3.0.1 • Bluetooth redesigned for faster connections and rock-solid reliability • Support for new features in UAFX firmware version 2.0 • (OX Stomp) Off-Axis mic states are now correctly displayed Note that UAFX firmware updates are only available using the UA Connect desktop application, available at: uaudio.com/uafx/start
Screenshots
Verdict
The clearest difference is review sentiment: D'Chords at 63% against UAFX Control's 9%. D'Chords also leads on rating (2.6 vs 2.0) and ads (none vs shown). UAFX Control's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (26 vs 8). On price, in-app purchases and device support 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.
D'Chords holds the better App Store score, 2.6 against 2.0. Both are backed by a comparable volume of ratings — 8 and 26 respectively. Written reviews point the same way: 63% of D'Chords's written reviews are positive against 9% of UAFX Control's.
D'Chords ships an update every 3 months, UAFX Control every 3 weeks. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | D'Chords | UAFX Control |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (8 ratings) — better | 2.0 (26 ratings) |
| Positive reviews | 63.1% of reviews — better | 9.2% of reviews |
| Number of ratings | 8 | 26 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 27 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | D'Addario & Company, Inc. | Universal Audio |
Customer experience
D'Chords
UAFX Control
User reviews
D'Chords
From 8 App Store ratingsWhat we love
- 🚀 Huge chord library
- 👍 Easy to use interface
- 🎨 Beautiful visuals
- 🔊 Ability to hear chords
- 🤖 Supports left-handed mode
Room to improve
- 🐛 Audio issues (no sound, white noise)
- 🔀 Inconsistent navigation/controls
- 🚫 Lack of support for alternative tunings
- 🆕 Outdated app, not updated for newer iOS versions
UAFX Control
From 26 App Store ratingsWhat we love
- 👍 Easy Bluetooth pairing
- 🚀 Presets load quickly
- 💡 Useful preset library
- 🔧 Firmware updates improve functionality
Room to improve
- 🐛 Frequent Bluetooth connection issues
- 🐛 App crashes when trying to access pedals
- 🐛 Unreliable app performance
- 🤔 Limited preset customization options
- 🤔 Lack of visual feedback on preset settings
Bugs and requests
D'Chords
Reported bugs
3 issues- Crashes on startup
- Chord audio out of tune
- Unresponsive controls
Requested features
5 requests- Ability to create and save custom chords
- Chord progression suggestions
- Interval-based chord voicings
- Capo support
- iPad version
UAFX Control
Reported bugs
4 issues- App crashes after firmware updates
- Pedals not detected or recognized by app
- Registration process often fails
- Bluetooth connection randomly drops
Requested features
4 requests- Ability to freely assign pedal buttons
- Option to view and edit preset settings
- MIDI support for preset changes
- Landscape mode support on iPad
In-app purchases
D'Chords
No in-app purchases
UAFX Control
No in-app purchases
Questions
Is D'Chords free?
Is UAFX Control free?
Which has better reviews, D'Chords or UAFX Control?
Do D'Chords or UAFX Control have ads?
Which is updated more often, D'Chords or UAFX Control?
Other comparisons
