Comparison

Kyomei vs Octal

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

Head to head
About

Kyomei

Features
Read full description

When you and someone nearby are listening to the same song or artist, a quiet signal appears — a moment of connection through music. No profiles. No chatting. No noise. Just music, and the moments it creates. Features: • Detect nearby music resonance • See which song created the moment • Keep a private archive of where it happened • Runs quietly in the background Currently, Kyomei supports Apple Music and locally played audio on your device. Support for additional music players may be added in future updates. Kyomei focuses on simplicity and subtlety. It doesn’t interrupt — it reveals. Privacy-first design: • We only access your currently playing song title and artist • No audio data is collected or stored • No full listening history is accessed • Your location is only used to record your own resonance moments • We do not identify, track, or store information about other users Music is usually personal. Kyomei makes it shared — just for a moment.

About

Octal

This app transforms your phone into a musical instrument with eight intuitive buttons that always create harmonious chords or notes. Easily record loops, layer beats, and arrange them into full songs. Explore a variety of sounds and share your creations.

Highlights
  • Eight-button chord/note interface
  • Loop recording and editing
  • Song arrangement
  • Diverse sound library
  • Undo/history functionality
  • Audio file sharing
Features
Read full description

Octal turns your phone into an instrument. The eight buttons play chords or notes that always go together, so whatever you press sounds like music. The bead under your other thumb changes their mood or behavior as you play. MAKE A LOOP Press record and play a few bars. Open the wheel, pick drums or a bass, and play over the top. Swipe over to the Loop Deck to see your loop and change it bar by bar. TURN LOOPS INTO A SONG Pinch the Loop Deck and chain your loops into a song. SOUNDS Synths, keys, drum kits, textures and acoustic instruments, a tap away on the wheel. NEVER LOSE AN EDIT Every edit is kept. The history tool lets you wind back to any of them. SHARE IT Send the mix as an audio file, or send the loop or song itself to a friend who has Octal. Making music in Octal is free, with four saved loops and one song. THE FULL VERSION One purchase, no subscription. MIDI and stems to finish your song in a DAW, MIDI out to play other synths, the bead lab to make and keep sounds of your own, and as many loops and songs as you like. PRIVACY Octal collects no data. The microphone is only on while you record a sound or play a Vocoder.

Screenshots

Kyomei3 screens
Octal4 screens

Verdict

The call

The clearest difference is in-app purchases: Kyomei at none against Octal's 1. Kyomei also leads on iOS requirement (18.0 vs 26.0). Octal's advantage is update cadence (daily vs monthly). On price, ads 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

Both are free to download. Octal sells 1 one-off in-app purchase. Kyomei asks for nothing beyond the download.

UpkeepUpdate frequency

Kyomei ships an update monthly, Octal daily. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
Kyomei versus Octal: the parameters behind the verdict, then further details
ParameterKyomeiOctal
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyMonthlyDaily — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS18.0 — better26.0
Further details — not scored
Size2 MB36 MB
Age rating4+4+
DeveloperJun-seob ByunRYAN JAMES,GALANG ELLIS

In-app purchases

None

Kyomei

No in-app purchases

1 purchases

Octal

One-time1
  • Octal, the full version$9.99

Questions

Is Kyomei free?
Kyomei is free to download, with no in-app purchases.
Is Octal free?
Octal is free to download, with in-app purchases available.
Do Kyomei or Octal have ads?
Neither Kyomei nor Octal shows ads.
Which is updated more often, Kyomei or Octal?
Kyomei ships an update monthly, and Octal daily. Most recently, Kyomei was updated on October 31, 2026 and Octal on October 29, 2026.

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