# ReefKeeper vs CoralSync

The clearest difference is iOS requirement: ReefKeeper at 13.0 against CoralSync's 15.1. 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.

## The numbers

| Metric | ReefKeeper | CoralSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 196 MB | 64 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [志勇 卢](https://appshunter.io/developer/1304223073) | [Huizhou Abi Technology Co.,Ltd](https://appshunter.io/developer/1785595077) |

## What reviewers say

### ReefKeeper

[App page](https://appshunter.io/ios/app/reefkeeper/id1569121290)

**Features:** macOS Compatibility

**In-app purchases:** none


### CoralSync

[App page](https://appshunter.io/ios/app/coralsync/id6737188794)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReefKeeper free?

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

### Is CoralSync free?

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

### Do ReefKeeper or CoralSync have ads?

Neither ReefKeeper nor CoralSync 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.*