# Six Feet Deep vs Sonic Lifeforms

The clearest difference is price: Six Feet Deep at Free against Sonic Lifeforms's $3.99. Six Feet Deep also leads on ratings volume (7 vs 1). Sonic Lifeforms's advantage is update cadence (every 2 weeks vs every 3 months) and chart position (#199 vs unranked). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Six Feet Deep is free to download; Sonic Lifeforms costs $3.99 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 Six Feet Deep against 5.0 for Sonic Lifeforms. That said, the two scores are not equally well evidenced: Six Feet Deep has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Six Feet Deep ships an update every 3 months, Sonic Lifeforms every 2 weeks. The most recent releases landed on June 5, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | Six Feet Deep | Sonic Lifeforms |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/six-feet-deep/id1570307338/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sonic-lifeforms/id6444698992/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#199** |
| Size | 236 MB | 350 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Six Feet Deep LLC](https://appshunter.io/developer/1544823947) | [Michael Doerfler](https://appshunter.io/developer/1656222152) |

## What reviewers say

### Six Feet Deep

[App page](https://appshunter.io/ios/app/six-feet-deep/id1570307338)

Collaborate in a shared augmented reality space to create art that reacts to live music. Connect with artists globally in a persistent virtual world, or spectate ongoing creations and live DJ events. This app offers an intuitive interface for all skill levels.

**Highlights:** Multiplayer AR painting, Audio-reactive visuals, One shared virtual world, Spectate mode, Live DJ events, Intuitive UI

**In-app purchases:** none


### Sonic Lifeforms

[App page](https://appshunter.io/ios/app/sonic-lifeforms/id6444698992)

**Currently charting:** #199 Top Paid · Entertainment (US App Store)

Experience a unique, ever-evolving music album that adapts to your mood in real-time. Control the intensity and direction of procedural music with an intuitive interface, accompanied by reactive visuals for a multisensory journey.

**Highlights:** Ever-evolving music album, Mood-adaptive soundscapes, Interactive music control, Procedural music generation, Reactive visualizer, Personalized listening experiences

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Six Feet Deep free?

Six Feet Deep is free to download, with no in-app purchases.

### Is Sonic Lifeforms free?

Sonic Lifeforms costs $3.99, with no in-app purchases.

### Which has better reviews, Six Feet Deep or Sonic Lifeforms?

Six Feet Deep and Sonic Lifeforms are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Six Feet Deep or Sonic Lifeforms have ads?

Neither Six Feet Deep nor Sonic Lifeforms shows ads.

### Which is updated more often, Six Feet Deep or Sonic Lifeforms?

Six Feet Deep ships an update every 3 months, and Sonic Lifeforms every 2 weeks. Most recently, Six Feet Deep was updated on June 5, 2026 and Sonic Lifeforms on August 14, 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.*