# Reef Buddy vs ReefCompanion

The clearest difference is in-app purchases: ReefCompanion at none against Reef Buddy's 4. ReefCompanion also leads on iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Reef Buddy sells 4 in-app purchases, starting at $0.99 per 7 days. ReefCompanion asks for nothing beyond the download.

## The numbers

| Metric | Reef Buddy | ReefCompanion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (20 ratings)](https://appshunter.io/ios/app/reef-buddy-reef-tank-tracker/id1593580822/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Freemium | — |
| Size | 46 MB | 14 MB |
| Requires iOS | 26.0 | **18.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [District Web](https://appshunter.io/developer/595076846) | [CHRISTOPHER SHANE MANN](https://appshunter.io/developer/1873571355) |

## What reviewers say

### Reef Buddy

[App page](https://appshunter.io/ios/app/reef-buddy-reef-tank-tracker/id1593580822)

Easily log, monitor, and analyze your saltwater aquarium's critical parameters. Get smart insights and personalized advice to maintain a healthy reef tank. Syncs across devices and offers guidance for manual test results.

**Highlights:** Log critical aquarium parameters, Monitor KH, salinity, pH, Ca, Mg, and more, Analyze data with automated insights, Sync data across iPhone and iPad, Guidance for manual test kit results, Personalized advice with premium subscription

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reef Buddy Pro Weekly | $0.99 | per 7 days |
| Reef Buddy Pro | $1.99 | per month |
| Reef buddy pro month | $3.99 | per month |
| Reef buddy pro annual | $44.99 | per year |


### ReefCompanion

[App page](https://appshunter.io/ios/app/reefcompanion/id6758550121)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reef Buddy free?

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

### Is ReefCompanion free?

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

### Do Reef Buddy or ReefCompanion have ads?

Neither Reef Buddy nor ReefCompanion 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.*