# EverSpace vs Undersong

The clearest difference is update cadence: Undersong at daily against EverSpace's weekly. Undersong also leads on price ($9.99 vs $12.99) and ratings volume (11 vs 2). EverSpace's advantage is iOS requirement (14 vs 17.0). On rating, ads, in-app purchases and monetization model there is nothing between them.

EverSpace costs $12.99 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 EverSpace against 5.0 for Undersong. That said, the two scores are not equally well evidenced: Undersong has 11 ratings behind it against 2, so its average is the more settled of the two.

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

## The numbers

| Metric | EverSpace | Undersong |
| --- | --- | --- |
| Price | $12.99 | **$9.99** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/everspace/id6795970970/reviews) | [5.0 (11 ratings)](https://appshunter.io/ios/app/undersong/id6802013758/reviews) |
| Number of ratings | 2 | **11** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Paid | Paid |
| Size | 18 MB | 19 MB |
| Requires iOS | **14** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [ian johnston](https://appshunter.io/developer/1886071653) |

## What reviewers say

### EverSpace

[App page](https://appshunter.io/ios/app/everspace/id6795970970)

Create vast sonic environments, evolving ambiances, and complex modulated echoes with this algorithmic reverb. It transforms simple sounds into rich textures and expansive soundscapes, offering creative sound design possibilities beyond traditional room simulation.

**Highlights:** CloudSeed algorithmic reverb engine, Early reflection and diffusion network, Extensive late-reverb section, Deep modulation, Multi-tap delay stage, Integrated equalization, Real-time visualization

**Features:** macOS Compatibility, 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 EverSpace free?

EverSpace costs $12.99, with no in-app purchases.

### Is Undersong free?

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

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

EverSpace and Undersong are both rated 5.0 out of 5 on the App Store, from 2 and 11 ratings respectively.

### Do EverSpace or Undersong have ads?

Neither EverSpace nor Undersong shows ads.

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

EverSpace ships an update weekly, and Undersong daily. Most recently, EverSpace 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.*