# Casisu vs ambient

The clearest difference is in-app purchases: Casisu at none against ambient's 2. ambient's advantage is device support (6 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. ambient sells 2 in-app purchases, starting at $0.49 per month. Casisu asks for nothing beyond the download.

## The numbers

| Metric | Casisu | ambient |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Size | 131 MB | 14 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [NIKO TANAKA](https://appshunter.io/developer/1840922914) | [zoome LLC](https://appshunter.io/developer/1541241247) |

## What reviewers say

### Casisu

[App page](https://appshunter.io/ios/app/casisu/id6479553488)

**In-app purchases:** none


### ambient

[App page](https://appshunter.io/ios/app/ambient-evolving-soundscapes/id6801584193)

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ambient Premium Monthly | $0.49 | per month |
| ambient Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Casisu free?

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

### Is ambient free?

ambient is free to download, with in-app purchases available.

### Do Casisu or ambient have ads?

Neither Casisu nor ambient shows ads.

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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.*