# Undersong vs Vascular

The clearest difference is in-app purchases: Undersong at none against Vascular's 1. Vascular's advantage is price ($3.99 vs $9.99). On rating, ratings volume, update cadence and ads there is nothing between them.

Undersong costs $9.99 and Vascular $3.99 up front. Vascular sells 1 one-off in-app purchase. Undersong asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Undersong against 4.9 for Vascular. Both are backed by a comparable volume of ratings — 11 and 7 respectively.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Undersong | Vascular |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/undersong/id6802013758/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/vascular-tactile-synth/id6808173190/reviews) |
| Number of ratings | **11** | 7 |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Monetization | Paid | Paid |
| Size | 19 MB | 101 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ian johnston](https://appshunter.io/developer/1886071653) | [Absolute Management SIA](https://appshunter.io/developer/6808173192) |

## What reviewers say

### 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


### Vascular

[App page](https://appshunter.io/ios/app/vascular-tactile-synth/id6808173190)

Create electroacoustic music by visually connecting sound generators and processors on a canvas. Manipulate stereo position, control synthesis and processing, and build complex signal paths. Explore a vast array of synthesis types, effects, and controllers to craft unique sonic textures.

**Highlights:** Canvas-based sound design, Modular signal path building, Extensive synthesis families, 71 built-in processors, Advanced controller modules, Sample playback and manipulation, Microphone input processing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AUv3 Support | $2.99 | one-time |


## Frequently asked questions

### Is Undersong free?

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

### Is Vascular free?

Vascular costs $3.99, and also offers in-app purchases.

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

Undersong is rated higher. Undersong averages 5.0 out of 5 from 11 ratings, while Vascular averages 4.9 from 7 ratings.

### Do Undersong or Vascular have ads?

Neither Undersong nor Vascular shows ads.

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

Undersong ships an update daily, and Vascular daily. Most recently, Undersong was updated on October 25, 2026 and Vascular on October 26, 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.*