Comparison

ChordFlow vs Relic Waves

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

Head to head
About

ChordFlow

This app helps musicians quickly create chord progressions, arpeggios, and melodies for their songs. It allows for easy editing, arrangement of song sections, and export to DAWs as MIDI files.

Highlights
  • Create chord progressions with scale matching
  • Draw rhythmic arpeggio patterns
  • Compose melodies with scale and chord context
  • Build songs with multiple sections
  • Export to DAW as MIDI
  • Intuitive drag-and-drop editing
Read full description

ChordFlow is a songwriting sketchpad that will help you create amazing chord progressions and melodies for your songs fast and easily. HOW TO USE IT? 1. Create a chord progression. 2. Draw an arpeggio – a rythmic pattern for your chords. 3. Compose a melody. 4. Build a complete song adding more sections. 5. Save your song, share or export to your favourite DAW as a MIDI file. CHORD PROGRESSION - Create chord progression of any length using intuitive chord selector. - Select a scale of your chord progression. - The chord selector will show you which chords are matching the selected scale. - Move chords around within chord progression using drag and drop gestures. - Transpose the chord progression by rotating the key wheel (with the lock button unlocked). Or transpose the key of the scale while keeping the existing chords unchanged (with locked mode). - See the notes of the selected chord and how the relate to the notes of the chord before and the one after the selected. ARPEGGIO - When you draw the arpeggio you are not specifying absolute notes but relative steps of the chords. When played, the pattern will be translated to the absolute notes depending on the currently played chord. - Specify the length and rate of the arpeggio grid. Length defines the number of steps in the sequence and rate define the speed at which the sequence is played. - Add up to 4 tracks to your arpeggio grid. Each track has it’s color, octave and number of parallel voices. To edit a track you select it with the track selection button, and then choose the required tool. - Draw complex curves spanning several rows and columns of the arpeggio grid with just one move with Dots tool - Draw long horizontal lines with Line tool - Move entire track along the grid using the Move tool - Clear a region of the selected track with the Eraser tool - Remove the selected track entirely using the Trash button - Set Loop region to repeatedly play only the selected section of your arpeggio. - Adjust notes velocities MELODY - Create up to 4 melody tracks. - Melodies are edited in their own grid, which also has length and rate params as the arpeggio grid. - Select the root note and the scale for the melody grid. You can also show and hide non-scale notes using the “Chromatic” switch. - Melody grid features the same collection of drawing tool as the arpeggio grid does. - While drawing your melody you will see which chords correspond to the specific steps and also which notes of the grid match the notes of the chords. - You can also set a loop region as in the arpeggio grid view. - Undo/Redo aslo works the same way as in arpeggio grid. SONG STRUCTURE - A song can contain unlimited number of sections - Each section has its own chord progression, arpeggio and melody parts - Add, remove, reorder, rename and clone sections - Make quantized or immediate jumps between sections while playing. - Set a song loop mode. Loop one section. Loop entire song. Or play whole song once. CONNECTIVITY - Control any CoreMIDI compatible app - Control desktop synths through USB or Wi-Fi - Control hardware synths - Specify MIDI destination and channel for each track - Use ChordFlow as MIDI or Audio sender in Audiobus (http://audiob.us/) - Play in sync with other apps running on the same device or on other devices in same Wi-Fi network using a new technology, Ableton Link (http://www.ableton.com/link/) SHARE/EXPORT - Share your projects by AirDrop, Mail, Dropbox or any other app supporting sharing . - Export to Standard MIDI file and open it in the DAW of your choice(Ableton Live, Logic, GarageBand, etc. )

About

Relic Waves

Generate unique Lo-Fi sounds, pads, and effects using advanced synthesis algorithms. Explore billions of sonic possibilities with intuitive controls and real-time recording. Perfect for musicians and sound designers seeking experimental audio.

Highlights
  • Billions of unique Lo-Fi sounds
  • Random sound generation with search
  • Multiple keyboard input options
  • Real-time audio recording to WAV
  • Export to WAV, SunVox, and clipboard
  • MIDI control and processing
  • iOS Audio Unit Extension (AUv3)
Features
Read full description

Relic Waves is a generator of Lo-Fi noises, pads and effects based on unique synthesis algorithms from NightRadio. More than 4 billion samples from the depths of the Mathematical Universe! Features: * search for new sounds with three buttons: next random set, edit code, previous set; each set of 12 sounds corresponds to a code of 8 characters; * three types of keyboards for live performing: on-screen buttons, PC keyboard, MIDI input; * several processing parameters + control via MIDI; * real-time audio recording to WAV (32-bit); * export to: WAV (one file or a set), SunVox (samples + effects in one file), text clipboard; * the LCK button freezes individual samples - they will not change during the search for new sets; * iOS Audio Unit Extension (AUv3). Double clicking on a parameter opens a window for setting the exact value. If you enable the Hold option, the notes will play endlessly, without reacting to key release (noteOff) events; turning the note on again works like turning it off; there are two ways to enable this option: 1) using the Hold parameter in the "MIDI Mapping" window; 2) by pressing the HOLD button, which appears in place of LCK while playing the musical keyboard: press HOLD, release the desired notes - then the released notes will continue to play.

Screenshots

ChordFlow4 screens
Relic Waves1 screens

Verdict

The call

The clearest difference is price: Relic Waves at $1.99 against ChordFlow's $9.99. Relic Waves also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 79%). ChordFlow's advantage is update cadence (monthly vs every 11 months) and ratings volume (132 vs 42). On ads, 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

CostPrice · In-app purchases · Ads · Monetization

ChordFlow costs $9.99 and Relic Waves $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Relic Waves holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 132 and 42 respectively. Written reviews point the same way: 79% of ChordFlow's written reviews are positive against 100% of Relic Waves's.

UpkeepUpdate frequency

ChordFlow ships an update monthly, Relic Waves every 11 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

Scorecard7 real differences · 3 level
ChordFlow versus Relic Waves: the parameters behind the verdict, then further details
ParameterChordFlowRelic Waves
Price$9.99$1.99 — better
Rating4.6 (132 ratings)5.0 (42 ratings) — better
Positive reviews78.7% of reviews100.0% of reviews — better
Number of ratings132 — better42
Update frequencyMonthly — betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better12.0
Further details — not scored
Size73 MB6 MB
Age rating4+4+
DeveloperDmitrii KlochkovAlexander Zolotov

Customer experience

ChordFlow

All ratings132 ratings
Positive90.2%
Neutral3.8%
Negative6.1%
Written reviews75 reviews
Positive78.7%
Neutral8.0%
Negative13.3%

Relic Waves

All ratings42 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews22 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

ChordFlow

Reported bugs

13 issues
  • Sound stops working, gets staticky and fades
  • General audio delay on iPad
  • Chords won't sound
  • Melody thirds and sevenths do not adjust to sharp or flat notes
  • App falls out of sync with Ableton Link
Show 8 more
  • Ableton Link implementation not good, start phase misses often
  • App crashes (Audiobus)
  • No sound output
  • Unstable in Audiobus
  • Doesn't work on iPhone 7+
  • Occasional tone and volume inconsistencies
  • Arpeggio mode feels like trial and error, notes not visible
  • Unexpectedly closes on iPad Pro

Requested features

43 requests
  • Add small keyboard to chord section to show notes
  • Show arp triggered notes when playing
  • Send MIDI data when tapping chords
  • Alter main chords within arpeggio editor
  • Get some serious promotion
Show 38 more
  • Introductory material (tutorial, walkthrough)
  • Freemium model
  • Add MIDI clock
  • Ability to enter number of repetitions for each section
  • Load into AUM
  • BPM swing
  • AUV3 support
  • Swing parameter
  • Manual or guide
  • Audio recording
  • Ableton Link Start/Stop support
  • Basic drum machine sequencer
  • Allow melody to reach lower notes (bass line)
  • A few more sounds
  • Use voices in amounts similar to chord notes for arpeggiation
  • Portrait view on phone
  • Fix Ableton Link sync issues
  • Fix start phase misses in Ableton Link
  • Fix 3/4 time signature issues
  • Improve melody drawing (edge to edge)
  • Volume sliders should work during playback
  • Transpose melody to different octaves
  • Pinch zoom for small screens
  • More control over chords (inversions, common chords from scale)
  • Copy/paste function in note editor
  • Simple mixer for internal sounds
  • Chord suggestions function
  • Vertical mode for adding chords with a swipe
  • Random sequence function
  • Separate MIDI channels per color/track
  • Start/stop control for each track
  • MIDI clock input
  • MIDI input for modulating chords with a keyboard
  • Diatonic chords of certain scales
  • Improve UX for complex sequences (readable separators)
  • Copy function for melodies
  • Fix unexpected closing on iPad Pro
  • Ability to open/import own MIDI files

Relic Waves

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ChordFlow

No in-app purchases

None

Relic Waves

No in-app purchases

Questions

Is ChordFlow free?
ChordFlow costs $9.99, with no in-app purchases.
Is Relic Waves free?
Relic Waves costs $1.99, with no in-app purchases.
Which has better reviews, ChordFlow or Relic Waves?
Relic Waves is rated higher. ChordFlow averages 4.6 out of 5 from 132 ratings, while Relic Waves averages 5.0 from 42 ratings.
Do ChordFlow or Relic Waves have ads?
Neither ChordFlow nor Relic Waves shows ads.
Which is updated more often, ChordFlow or Relic Waves?
ChordFlow ships an update monthly, and Relic Waves every 11 months. Most recently, ChordFlow was updated on October 7, 2026 and Relic Waves on October 14, 2026.

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