# KoolCode vs ZAset mobile

The clearest difference is review sentiment: KoolCode at 50% against ZAset mobile's 0%. KoolCode also leads on rating (5.0 vs 3.0). ZAset mobile's advantage is update cadence (every 11 days vs every 8 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KoolCode holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 50% of KoolCode's written reviews are positive against 0% of ZAset mobile's.

KoolCode ships an update every 8 months, ZAset mobile every 11 days. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | KoolCode | ZAset mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koolcode/id563222728/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/zaset-mobile/id1243510377/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 31 MB | 242 MB |
| Requires iOS | 15.1 | **14.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [ZIEHL-ABEGG SE](https://appshunter.io/developer/1243510376) |

## What reviewers say

### KoolCode

[App page](https://appshunter.io/ios/app/koolcode/id563222728)

This utility app provides quick, offline access to alarm and parameter codes for refrigeration controllers. It helps service technicians and engineers easily look up information without needing manuals or laptops.

**Highlights:** On-the-spot ADAP-KOOL controller information, Alarm status and parameter descriptions, Offline code lookup tool, Quick code translation, Hierarchical controller selection

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

**In-app purchases:** none


### ZAset mobile

[App page](https://appshunter.io/ios/app/zaset-mobile/id1243510377)

This app provides analysis, configuration, and monitoring for ZIEHL-ABEGG devices. It helps service teams retrieve operating states, identify deviations, and visualize statistical data for planned maintenance and reliable systems.

**Highlights:** Retrieve device and operating data, View errors and warnings, Visualize statistical data, Adjust device settings, Customizable dashboard view, Bluetooth and Wi-Fi connectivity, Simulator for training

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

**In-app purchases:** none


## Frequently asked questions

### Is KoolCode free?

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

### Is ZAset mobile free?

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

### Which has better reviews, KoolCode or ZAset mobile?

KoolCode is rated higher. KoolCode averages 5.0 out of 5 from 1 ratings, while ZAset mobile averages 3.0 from 3 ratings.

### Do KoolCode or ZAset mobile have ads?

Neither KoolCode nor ZAset mobile shows ads.

### Which is updated more often, KoolCode or ZAset mobile?

KoolCode ships an update every 8 months, and ZAset mobile every 11 days. Most recently, KoolCode was updated on October 7, 2026 and ZAset mobile on September 25, 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.*