# TUNZE vs CoralSync

The clearest difference is ads: CoralSync at none against TUNZE's shown. On price, update cadence, 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.

TUNZE ships an update every 2 months, CoralSync every 3 months. The most recent releases landed on July 8, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | TUNZE | CoralSync |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 64 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [fynix GmbH](https://appshunter.io/developer/1733023937) | [Huizhou Abi Technology Co.,Ltd](https://appshunter.io/developer/1785595077) |

## 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


### CoralSync

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TUNZE free?

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

### Is CoralSync free?

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

### Do TUNZE or CoralSync have ads?

TUNZE shows ads; CoralSync does not.

### Which is updated more often, TUNZE or CoralSync?

TUNZE ships an update every 2 months, and CoralSync every 3 months. Most recently, TUNZE was updated on July 8, 2026 and CoralSync on September 13, 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.*