# ReefKeep vs ReefCMD

The clearest difference is update cadence: ReefKeep at daily against ReefCMD's every 3 weeks. ReefCMD's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ReefKeep sells 3 in-app purchases, starting at $4.99 per month and ReefCMD sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReefKeep ships an update daily, ReefCMD every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | ReefKeep | ReefCMD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/reefcmd-reef-tank-management/id6769246761/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 2 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Enovira AB](https://appshunter.io/developer/1878624311) | [ReefCMD LLC](https://appshunter.io/developer/1896642937) |

## What reviewers say

### ReefKeep

[App page](https://appshunter.io/ios/app/reefkeep/id6762442240)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefKeep Pro - monthly | $4.99 | per month |
| ReefKeep Pro - Yearly | $29.99 | per year |
| ReefKeep Lifetime Subscription | $79.99 | one-time |


### ReefCMD

[App page](https://appshunter.io/ios/app/reefcmd-reef-tank-management/id6769246761)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReefCMD Pro — Monthly | $6.99 | per month |
| ReefCMD Pro — Annual | $69.99 | per year |


## Frequently asked questions

### Is ReefKeep free?

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

### Is ReefCMD free?

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

### Do ReefKeep or ReefCMD have ads?

Neither ReefKeep nor ReefCMD shows ads.

### Which is updated more often, ReefKeep or ReefCMD?

ReefKeep ships an update daily, and ReefCMD every 3 weeks. Most recently, ReefKeep was updated on October 24, 2026 and ReefCMD on October 24, 2026.

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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.*