# ReefKeeper vs Aquarium Master

The clearest difference is iOS requirement: ReefKeeper at 13.0 against Aquarium Master's 15.6. 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 | Aquarium Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Size | 196 MB | 47 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [志勇 卢](https://appshunter.io/developer/1304223073) | [雨 梁](https://appshunter.io/developer/1218726051) |

## What reviewers say

### ReefKeeper

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Aquarium Master

[App page](https://appshunter.io/ios/app/aquarium-master/id6723864411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ReefKeeper free?

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

### Is Aquarium Master free?

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

### Do ReefKeeper or Aquarium Master have ads?

Neither ReefKeeper nor Aquarium Master 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.*