# KoolCode vs BITZER Electronics ServiceTool

The clearest difference is review sentiment: BITZER Electronics ServiceTool at 100% against KoolCode's 50%. BITZER Electronics ServiceTool also leads on update cadence (every 3 months vs every 8 months). KoolCode's advantage is rating (5.0 vs 3.0). On price, ratings volume, ads and in-app purchases 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 2 respectively. Written reviews complicate that: 50% of KoolCode's written reviews are positive against 100% of BITZER Electronics ServiceTool's, so the app with the better star average is not the one people write more warmly about.

KoolCode ships an update every 8 months, BITZER Electronics ServiceTool every 3 months. The most recent releases landed on September 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | KoolCode | BITZER Electronics ServiceTool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koolcode/id563222728/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/bitzer-electronics-servicetool/id1437610638/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 31 MB | 248 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [BITZER SE](https://appshunter.io/developer/1224090796) |

## 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

**In-app purchases:** none


### BITZER Electronics ServiceTool

[App page](https://appshunter.io/ios/app/bitzer-electronics-servicetool/id1437610638)

This application allows for Bluetooth connectivity to specific BITZER IQ products. Users can configure devices, monitor operations, view alarms with help texts, and retrieve logs for visualization and cloud upload.

**Highlights:** Bluetooth connectivity, Device configuration, Operation monitoring, Alarm viewing with help texts, Log retrieval and visualization, Cloud upload for logs

**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 BITZER Electronics ServiceTool free?

BITZER Electronics ServiceTool is free to download, with no in-app purchases.

### Which has better reviews, KoolCode or BITZER Electronics ServiceTool?

KoolCode is rated higher. KoolCode averages 5.0 out of 5 from 1 ratings, while BITZER Electronics ServiceTool averages 3.0 from 2 ratings.

### Do KoolCode or BITZER Electronics ServiceTool have ads?

Neither KoolCode nor BITZER Electronics ServiceTool shows ads.

### Which is updated more often, KoolCode or BITZER Electronics ServiceTool?

KoolCode ships an update every 8 months, and BITZER Electronics ServiceTool every 3 months. Most recently, KoolCode was updated on September 14, 2026 and BITZER Electronics ServiceTool on September 24, 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.*