# Braindance vs Undersong

The clearest difference is update cadence: Undersong at daily against Braindance's weekly. Braindance's advantage is price ($4.99 vs $9.99) and iOS requirement (15.0 vs 17.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Braindance costs $4.99 and Undersong $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Braindance against 5.0 for Undersong. Both are backed by a comparable volume of ratings — 5 and 11 respectively.

Braindance ships an update weekly, Undersong daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Braindance | Undersong |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/braindance-glitch-effects/id6786817928/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/undersong/id6802013758/reviews) |
| Number of ratings | 5 | **11** |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Paid | Paid |
| Size | 53 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [fourtrack.fm LLC](https://appshunter.io/developer/1883350705) | [ian johnston](https://appshunter.io/developer/1886071653) |

## What reviewers say

### Braindance

[App page](https://appshunter.io/ios/app/braindance-glitch-effects/id6786817928)

This app allows real-time audio manipulation with buffer-glitch effects. Create complex rhythmic patterns, apply various audio transformations, and perform live with intuitive controls. It can be used as a standalone application or as an Audio Unit within other hosts.

**Highlights:** Real-time buffer-glitch audio manipulation, Step sequencer with Euclidean patterns, Multiple audio effects (bitcrush, flanger, delay, reverb), Master filter with various modes, Live performance controls (XY pad, macros), AUv3 and MIDI support

**Features:** Vision Pro support

**In-app purchases:** none


### Undersong

[App page](https://appshunter.io/ios/app/undersong/id6802013758)

This audio effect acts like an instrument, generating synthesized notes in key based on incoming audio. Explore a vast array of sound combinations with various materials, modes, and patterns for unique ambient performances.

**Highlights:** Generates in-key synthesized notes from audio input, 12 material types and 10 performance modes, 10 pattern options for sound shaping, Self-generating ambient pad mode, Gravity feature for melodic anchoring, Customizable scales and root notes, Integrated reverb effect

**In-app purchases:** none


## Frequently asked questions

### Is Braindance free?

Braindance costs $4.99, with no in-app purchases.

### Is Undersong free?

Undersong costs $9.99, with no in-app purchases.

### Which has better reviews, Braindance or Undersong?

Braindance and Undersong are both rated 5.0 out of 5 on the App Store, from 5 and 11 ratings respectively.

### Do Braindance or Undersong have ads?

Neither Braindance nor Undersong shows ads.

### Which is updated more often, Braindance or Undersong?

Braindance ships an update weekly, and Undersong daily. Most recently, Braindance was updated on October 24, 2026 and Undersong on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*