Comparison

Chordio+ vs S

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Chordio+

This music creation and learning tool offers an interactive way to explore chords and scales. It helps users compose songs, store progressions, and connect MIDI controllers for real-time feedback. Ideal for musicians, composers, and educators seeking to enhance their music theory knowledge and creative output.

Highlights
  • Build chord progressions with a sequencer
  • Chord and scale exploration modes
  • MIDI controller integration
  • Custom chord creation and editing
  • Export MIDI to DAWs
  • Learn songs with adjustable speed and pitch
Features
Read full description

Looking for a spark for your upcoming song or unsure about the names of chords to communicate with fellow musicians? 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.  Chordio+ empowers you to unleash your creativity and take your music to another level. 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. • A Chord Types & Voicings panel helps you generate new chords. • Play-along with a backing rhythm track. • Save/load songs, export it as MIDl to your favourite DAW. • Download chord progressions from a growing collection of Chord Packs. • Features a chord transformer that allows you to easily substitute a selected chord with a suggested alternative. 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. Scales • Practice scales with a metronome in all keys. • Contains more than 40 scales you can work with. • Staff view for chords and scales. • Tap on scale notes to show their corresponding intervals. 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!

About

S

Features
Read full description

The whole Roland S-1 panel on your iPhone or iPad, over USB-C. The S-1 hides half its brain behind the Shift key. This editor puts all of it in front of you: all 54 parameters, laid out like the SH-101 panel — the synth the S-1 rebuilds — so the signal chain reads at a glance. WHAT IT DOES • All 54 control changes, with faders where the SH-101 had them and knobs where it did not. • Follows the hardware: move a knob on the S-1 and the screen follows in real time. • 60 factory presets in six categories. Versions of the patch charts from the original SH-101 manual, the club sounds the 101 became known for, and a bank built by ear against the unit. • Four sequencers: step piano roll, three-layer euclidean, scale-based generative and arpeggio. • Motion recording: move any control while it plays and it gets automated step by step. • A randomizer that blows up the whole engine and still leaves something audible. • Your own sound library, with export and import. • Light and dark. Spanish, English and Portuguese. WORTH KNOWING You need a Roland S-1 connected over USB-C. The editor makes no sound of its own: it sends MIDI to the unit, and the unit is what you hear. The S-1 does not answer SysEx. There is no way to read a sound out of it or store one over MIDI, so the library lives in the app and WRITE is pressed on the unit. The app selects the target pattern and dumps the sound so all you do is confirm. The whole parameter map comes from the official v1.02 manual. PRIVACY Nothing is collected. No accounts, no network, no analytics. Your sounds stay on your device. Made by fantasmogenesis.

Screenshots

Chordio+4 screens
S4 screens

Verdict

The call

The clearest difference is price: Chordio+ at Free against S's $2.99. S's advantage is in-app purchases (none vs 10). On ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Chordio+ is free to download; S costs $2.99 up front. Chordio+ sells 10 one-off in-app purchases. S asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Chordio+ versus S: the parameters behind the verdict, then further details
ParameterChordio+S
PriceFree — better$2.99
Rating2.3 (6 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings6 — better—
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.015.0
Further details — not scored
Size154 MB3 MB
Age rating17+4+
DeveloperOne In A Billion LtdCristopher Alejandro Yescas Arreola

In-app purchases

10 purchases

Chordio+

One-time10
  • Free Chord PackFree
  • RnB Chords No.1$1.99
  • Neo-Soul Tunes 1$4.99
Show 7 more
  • Neo-Soul Progressions 1$4.99
  • II-V-I Progressions$4.99
  • Jazz Progressions 1$4.99
  • RnB Progressions 1$4.99
  • Chord Progressions 251 No.1$4.99
  • Classical Progressions 1$4.99
  • Unlock App$6.99
None

S

No in-app purchases

Questions

Is Chordio+ free?
Chordio+ is free to download, with in-app purchases available.
Is S free?
S costs $2.99, with no in-app purchases.
Do Chordio+ or S have ads?
Neither Chordio+ nor S shows ads.

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