# Longwave Ambience vs ZZZ Polyrhythm

The clearest difference is in-app purchases: Longwave Ambience at none against ZZZ Polyrhythm's 1. Longwave Ambience also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ZZZ Polyrhythm sells 1 in-app purchase, starting at $0.99 per month. Longwave Ambience asks for nothing beyond the download.

## The numbers

| Metric | Longwave Ambience | ZZZ Polyrhythm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 6 weeks |
| Size | 3 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [See-through Lab LLC](https://appshunter.io/developer/1176375570) | [SMOLT STAGE, K.K.](https://appshunter.io/developer/1708601451) |

## What reviewers say

### Longwave Ambience

[App page](https://appshunter.io/ios/app/longwave-ambience/id6771959226)

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

**In-app purchases:** none


### ZZZ Polyrhythm

[App page](https://appshunter.io/ios/app/zzz-polyrhythm/id6773375285)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZZZ Polyrhythm Premium | $0.99 | per month |


## Frequently asked questions

### Is Longwave Ambience free?

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

### Is ZZZ Polyrhythm free?

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

### Do Longwave Ambience or ZZZ Polyrhythm have ads?

ZZZ Polyrhythm shows ads; Longwave Ambience does not.

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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.*