# Phonolyth Cascade vs Sonic Atlas Project

The clearest difference is price: Sonic Atlas Project at Free against Phonolyth Cascade's $7.99. Sonic Atlas Project also leads on update cadence (monthly vs every 7 months). Phonolyth Cascade's advantage is ads (none vs shown) and ratings volume (30 vs 3). On rating, review sentiment, in-app purchases and device support there is nothing between them.

Sonic Atlas Project is free to download; Phonolyth Cascade costs $7.99 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 — 4.9 for Phonolyth Cascade against 5.0 for Sonic Atlas Project. That said, the two scores are not equally well evidenced: Phonolyth Cascade has 30 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Phonolyth Cascade ships an update every 7 months, Sonic Atlas Project monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Phonolyth Cascade | Sonic Atlas Project |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.9 (30 ratings)](https://appshunter.io/ios/app/phonolyth-cascade/id6447491322/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sonic-atlas-project/id6754346403/reviews)** |
| Number of ratings | **30** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Paid | **Ad-supported** |
| Size | 10 MB | 52 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Yuri Turov](https://appshunter.io/developer/720810462) | [VUXO I, CORP.](https://appshunter.io/developer/1144164576) |

## What reviewers say

### Phonolyth Cascade

[App page](https://appshunter.io/ios/app/phonolyth-cascade/id6447491322)

This app offers a versatile reverb and diffusion processor with an experimental edge. It allows for the creation of expansive modulated spaces, stereo widening, and hybrid delay/reverb effects. Explore unique sonic territories with a wide range of controls and randomized modulation.

**Highlights:** Expansive modulated supernatural spaces, Stereo widening and transient smearing, Hybrid delay/reverb effects, Chorus, flanger, and resonator-like effects, Randomized modulation, Infinity and Freeze buttons, Mix Lock for preset switching

**Features:** Vision Pro support

**In-app purchases:** none


### Sonic Atlas Project

[App page](https://appshunter.io/ios/app/sonic-atlas-project/id6754346403)

Explore and contribute to a global library of real-world soundscapes. Discover the unique audio environments of various locations and document your own experiences for others to hear.

**Highlights:** Explore diverse soundscapes, Contribute personal sound recordings, Compare sounds across locations, Discover changing audio environments, Listen to real-world audio

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phonolyth Cascade free?

Phonolyth Cascade costs $7.99, with no in-app purchases.

### Is Sonic Atlas Project free?

Sonic Atlas Project is free to download, with no in-app purchases.

### Which has better reviews, Phonolyth Cascade or Sonic Atlas Project?

Sonic Atlas Project is rated higher. Phonolyth Cascade averages 4.9 out of 5 from 30 ratings, while Sonic Atlas Project averages 5.0 from 3 ratings.

### Do Phonolyth Cascade or Sonic Atlas Project have ads?

Sonic Atlas Project shows ads; Phonolyth Cascade does not.

### Which is updated more often, Phonolyth Cascade or Sonic Atlas Project?

Phonolyth Cascade ships an update every 7 months, and Sonic Atlas Project monthly. Most recently, Phonolyth Cascade was updated on October 24, 2026 and Sonic Atlas Project on October 24, 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.*