Undersong
ian johnston
Getting the latest details from the App Store…
ian johnston
Getting the latest details from the App Store…
Undersong is an AUv3 audio effect that plays along with whatever audio you send it. It's technically an audio effect, but it acts more like an instrument. It's based on an idea I had for a live performance that ended up taking on a life of its own. The short version is that everything Undersong plays comes from the audio coming in. It listens to your track for "action", like a pluck, a drum hit or a swell, and each of those can spawn a particle. A particle is one small synthesized note, often…
Top of Paid · Music in Japan. Undersong is #21 there. Changes are over 7 days.
How the app presents itself on the App Store. Select a screenshot to open it full size.
Version 1.0.2 · 16 Oct 2026 · today
- Slight tweaks to the default patch - Updates to the manual
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Japan· Paid · Music | #21 | New entry | Change unknown | #21 | 1 |
Higher on the chart is better: #1 is at the top.
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Japan · Paid · Music: best #21, latest #21, over 17 snapshots since 9 Oct. No snapshots on 9 Oct, on 10 Oct, on 11 Oct, on 12 Oct, on 13 Oct, and on 14 Oct; the line joins the snapshots on either side.
Entries, big moves, #1s and new versions we've recorded.
Their other apps that Appulse has seen in the charts, charting ones first.
