# TUNZE vs Reef Metrics

The clearest difference is in-app purchases: TUNZE at none against Reef Metrics's 2. Reef Metrics's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Reef Metrics sells 2 in-app purchases, starting at $1.99 per month. TUNZE asks for nothing beyond the download.

## The numbers

| Metric | TUNZE | Reef Metrics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (7 ratings)](https://appshunter.io/ios/app/tunze/id6499044488/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 32 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [fynix GmbH](https://appshunter.io/developer/1733023937) | [Brett Sizeland](https://appshunter.io/developer/1875887549) |

## What reviewers say

### TUNZE

[App page](https://appshunter.io/ios/app/tunze/id6499044488)

Control TUNZE devices like pumps and controllers from a central app. It offers analysis and maintenance features for marine aquariums, helping to stabilize water chemistry and technology for a healthy environment.

**Highlights:** Centralized device control, Pump and controller management, Intelligent accessory features, Water chemistry analysis, Maintenance tracking, Marine aquarium companion

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


### Reef Metrics

[App page](https://appshunter.io/ios/app/reef-metrics/id6758943121)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Yearly Premium | $19.99 | per year |


## Frequently asked questions

### Is TUNZE free?

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

### Is Reef Metrics free?

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

### Do TUNZE or Reef Metrics have ads?

TUNZE shows ads; Reef Metrics 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.*