# eKoEN vs TUNZE

The clearest difference is ads: eKoEN at none against TUNZE's shown. eKoEN also leads on iOS requirement (12.0 vs 15.1). 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 9, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | eKoEN | TUNZE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 67 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [eKopro Solutions](https://appshunter.io/developer/1220328029) | [fynix GmbH](https://appshunter.io/developer/1733023937) |

## What reviewers say

### eKoEN

[App page](https://appshunter.io/ios/app/ekoen/id1414097091)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is eKoEN free?

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

### Is TUNZE free?

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

### Do eKoEN or TUNZE have ads?

TUNZE shows ads; eKoEN does not.

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

eKoEN ships an update every 2 months, and TUNZE every 2 months. Most recently, eKoEN was updated on September 9, 2026 and TUNZE on July 8, 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.*