# 集中852 vs Waveful

The clearest difference is ads: 集中852 at none against Waveful's shown. Waveful's advantage is iOS requirement (16.0 vs 18.5). On price, 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.

## The numbers

| Metric | 集中852 | Waveful |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Size | 1 MB | 4 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryota Koda](https://appshunter.io/developer/1834053321) | [Purple Night Inc](https://appshunter.io/developer/1868378073) |

## What reviewers say

### 集中852

[App page](https://appshunter.io/ios/app/852/id6751219410)

**Features:** macOS Compatibility

**In-app purchases:** none


### Waveful

[App page](https://appshunter.io/ios/app/waveful/id6769578524)

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

**In-app purchases:** none


## Frequently asked questions

### Is 集中852 free?

集中852 is free to download, with no in-app purchases.

### Is Waveful free?

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

### Do 集中852 or Waveful have ads?

Waveful shows ads; 集中852 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.*