# Nature SFX vs AVATARIUM（アバタリウム）

The clearest difference is update cadence: Nature SFX at every 3 days against AVATARIUM（アバタリウム）'s every 10 days. Nature SFX also leads on iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Nature SFX ships an update every 3 days, AVATARIUM（アバタリウム） every 10 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Nature SFX | AVATARIUM（アバタリウム） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (60 ratings)](https://appshunter.io/ios/app/nature-sfx/id1198252532/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | Free | — |
| Size | 65 MB | 229 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Ryuichi Tanaka](https://appshunter.io/developer/1126201327) | [PocketRD Inc.](https://appshunter.io/developer/1553869278) |

## What reviewers say

### Nature SFX

[App page](https://appshunter.io/ios/app/nature-sfx/id1198252532)

Enhance your well-being with high-fidelity nature soundscapes. Experience pure white noise and a vast catalog of immersive environmental audio samples designed for relaxation and better sleep.

**Highlights:** Pure white noise generation, High-fidelity 24bit/96kHz audio samples, Extensive catalog of nature effects, Sounds for mental health and sleep, Binaural beats for relaxation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AVATARIUM（アバタリウム）

[App page](https://appshunter.io/ios/app/avatarium/id1553869276)

**In-app purchases:** none


## Frequently asked questions

### Is Nature SFX free?

Nature SFX is free to download, with no in-app purchases.

### Is AVATARIUM（アバタリウム） free?

AVATARIUM（アバタリウム） is free to download, with no in-app purchases.

### Do Nature SFX or AVATARIUM（アバタリウム） have ads?

Neither Nature SFX nor AVATARIUM（アバタリウム） shows ads.

### Which is updated more often, Nature SFX or AVATARIUM（アバタリウム）?

Nature SFX ships an update every 3 days, and AVATARIUM（アバタリウム） every 10 days. Most recently, Nature SFX was updated on November 2, 2026 and AVATARIUM（アバタリウム） on November 3, 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.*