Chords Pad vs Chordio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chords Pad
Explore musical chords with an interactive keyboard display and customizable pads. Visualize chord tones, experiment with progressions, and play notes via MIDI. Unlock advanced features and sounds through in-app purchases.
- Chord tone display on keyboard
- Customizable chord pads
- Chord progression builder
- MIDI Bluetooth support
- Multiple chord list layouts
- Adjustable keyboard range
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This app can easily check the sound and the display on the keyboard of the chord tone of musical chords. We have prepared various UI for checking the chords. Use the method that suits you. - Pad Display - Chord List - Pad Display - Custom Pad - Chord Progress [Chord List] You can select from the following patterns for the chord button list display. It supports chord reordering and toggling chord visibility. - Each key : Displays all types of chord patterns in a list for each key - Vertical : Displays all types of chord patterns vertically and each key horizontally - Horizontal : Displays all types of chord patterns horizontally with each key vertically [Custom pad] Larger buttons than the chord list are arranged. You can freely set the chord and key for each button. [Chord Progress] Add common chord progressions from presets or create your own. You can also edit individual chords, transpose, reorder, and delete chord progressions. In either case, when the chord button is tapped, the selected chord is played and the chord tone is displayed on the keyboard. * If you'd like to display all the chord patterns including tension (b9, # 9, 11, # 11, b13, 13), You need In-App Purchase. [Chord inversion area] When you select a chord in "Chord List" or "Custom Pad," its root position and inversions appear below the chord button area. Example: - CM7 : C E G B (Root position) - CM7/E : E G B C - CM7/G : G B C E - CM7/B : B C E G The note after "/" indicates the bass note. Scroll horizontally through the inversions and tap a button to play it and display its notes on the keyboard. The inversion area for "Custom Pad" can be shown or hidden with "Inversion display" in Settings. Other features: - Supports chord reordering and toggling chord visibility in the "Chord List". ([Settings screen] - [Edit Chord List]) - The keyboard can be slid with the slider. (range: C2 ~ C7) And the keyboard also supports playing. - There are 28 types in all kinds of sound. (It is 9 kinds can be used in the initial state. To use all type, you need In-App Purchase.) - Supports Bluetooth MIDI connection. - Supports sending MIDI messages (note on / off). Chord list: M, 7, 7(b5), 7(#5), 6, 6 9, 9, add9, M7, M9, M7(b5), M7(#5), m, m6, m6 9, m(#5), m add9, m7, mM7, m7(b5), m7(#5), m9, mM9, aug, dim, dim7, sus4, 7sus4, 9sus4, M7sus4, M9sus4, sus2, 7sus2, M7sus2 (To use below, you need In-App Purchase.) 7(b9), 7(#9), 7(#11), 7(b13), 7(13), 7(b9 #11), 7(b9 b13), 7(b9 13), 9(#11), 9(b13), 9(13), 7(#9 #11), 7(#9 b13), 7(#9 13), M7(#11), M9(#11), M7(13), M9(13), m7(11), m7(13), m9(11), m7(b5 11), m7(b5 13) If you would like to create more flexible chord progressions or compose music using chords, try iOS app "Piano Chords Master".
Chordio
This app is a music composition and theory tool that helps musicians explore chords and scales interactively. It offers features for creating, storing, and rearranging chord progressions, along with integrated music theory lessons and practice tools. It's designed to spark creativity and enhance music learning for producers, composers, and educators.
- Chord progression generator
- Custom chord creation and editing
- Real-time MIDI input visualization
- Scales and modes practice
- Music theory lessons and quizzes
- Sheet music practice tools
- Chord Suggestion AI
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Looking for a spark for your upcoming song? Introducing Chordio, a powerful tool for composition and music theory that offers an enjoyable and interactive experience. This app allows you to explore chords and scales in a fun and engaging way. It also provides a convenient platform for storing all your distinctive musical chord progressions in a single location. As a result, Chordio becomes an indispensable resource for contemporary music producers, composers, and educators. Take your music theory knowledge to the next level and create innovative chord progressions for your latest composition. With a range of internal sounds included, you can explore the tool's features without needing any other external equipment. Connect your MIDI controller to Chordio and see chord names appear on the Grand Staff in real-time as you play. Solo over chord progressions using the built-in sounds, and quickly rearrange or transpose chord progressions on the fly for added flexibility. Uncover fresh chord sequences for any genre - from hip hop to house and everything in between. Simply drag and drop them into your DAW! Chordio empowers you to unleash your creativity and take your music to new heights. The main features are divided into four workspaces: Composition • Build-in sequencer to create chord progressions. • Build-in Chord progression generator. • Create custom chords, edit existing chords, get chord inversions, and extended chords. • Drag & Drop to change the song structure. • Transpose the entire chord progression with a single tap. • Create a playlist of custom chord progressions. • Chord Suggestion AI – Get intelligent chord recommendations that fit your existing progression, and seamlessly integrate them into your composition. • A Chord Types & Vocings panel helps you generate new chords. • Play-along with a backing rhythm track. • Save/load songs, export it as MIDl. • Download chord progressions from a growing collection of Chord Packs. Scales • Practice scales with a metronome in all keys. • Contains more than 40 scales you can work with. • Staff view for chords and scales. Modes • Interactive way to learn what scales are associated with each mode. • Practice modes in Chordio. • Change tonic, mode, and layout to discover the relationship between musical notes, chords, and scales. Music Theory * In-app theory lessons. • 3 New Music Theory Quizzes: Note Identification, Interval Recognition & Chord Identification. Sheet Music • Adjust the Tempo: Practice at your own speed. • Loop Key Sections: Focus on tricky parts with ease. • Practice Hands Separately: Work on left or right hand independently. • Play in Any Key: Transpose sheet music to suit your preference. • Customize Tracks: Adjust instrument volumes. • Jazz Solo: Jam over chord progressions. • Print Your Scores: Print a PDF version of the score for flexible, hands-on practice. Lessons • Learn to play songs at your own pace. • Download music from a growing collection of Lesson Packs. • Lessons can be slowed down or pitch changed. KEY FEATURES: • MIDI keyboard support. • Build progressions using the chord generators. • Export MIDI to your DAW or sequencer. • Custom chords, edit existing chords, get extended chords. • Play internal sounds. • Arpeggio, strum and performance modes. • Mac version include a detachable resizable Grand Staff, Chord Display, and Keyboard Views. • Customise the Keyboard highlight color. • Select chord, to display a range of related scales and chords. • Tap a note on the Grand Staff to highlight it with a color. • Choose from selection of backing rhythms that fit specific genres. • Chord Pattern playback Always backup your chord progressions!
Screenshots
Verdict
The clearest difference is ads: Chordio at none against Chords Pad's shown. Chordio also leads on update cadence (every 8 days vs every 6 weeks). Chords Pad's advantage is rating (4.9 vs 4.4) and review sentiment (77% vs 62%). On price, in-app purchases, monetization model 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. Chords Pad sells 3 one-off in-app purchases and Chordio sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Chords Pad holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Chords Pad has 96 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 77% of Chords Pad's written reviews are positive against 62% of Chordio's.
Chords Pad ships an update every 6 weeks, Chordio every 8 days. Both last shipped on November 3, 2026.
| Parameter | Chords Pad | Chordio |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (96 ratings) — better | 4.4 (8 ratings) |
| Positive reviews | 77.4% of reviews — better | 61.5% of reviews |
| Number of ratings | 96 — better | 8 |
| Update frequency | Every 6 weeks | Every 8 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPad, Mac |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 203 MB |
| Age rating | 4+ | 4+ |
| Developer | Loop-Sessions.LLC. | One In A Billion Ltd |
Customer experience
Chords Pad
Chordio
In-app purchases
Chords Pad
- All sounds are available$0.99
- All chords are available$2.49
- Always remove ads.$7.99
Chordio
- Free Chord PackFree
- Chord Progressions 251 No.1$2.99
- Jazz Progressions 01$5.99
Show 7 moreShow fewer
- Neo-Soul Progressions 01$5.99
- Neo-Soul Tunes 01$5.99
- RnB Chords No.1$5.99
- Classical Progressions 1$5.99
- II-V-I Progression$5.99
- RnB Progressions 01$5.99
- Unlock App$14.99









