# KoolCode vs RILEVA

The clearest difference is review sentiment: KoolCode at 50% against RILEVA's 0%. RILEVA's advantage is iOS requirement (10.0 vs 15.1). On price, update cadence, 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 ships an update every 8 months, RILEVA every 7 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | KoolCode | RILEVA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koolcode/id563222728/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 7 months** |
| Monetization | Free | Free |
| Size | 31 MB | 19 MB |
| Requires iOS | 15.1 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Danfoss A/S](https://appshunter.io/developer/423984644) | [CAREL INDUSTRIES S.p.A.](https://appshunter.io/developer/1797037609) |

## 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


### RILEVA

[App page](https://appshunter.io/ios/app/rileva/id1497081482)

This utility app simplifies interaction with CAREL GLD series gas detectors using Bluetooth. It streamlines configuration, maintenance, and calibration processes, making daily checks more user-friendly and efficient. The app allows for easy testing, calibration initiation, and viewing of gas measurements and alarm statuses directly from a smartphone.

**Highlights:** Bluetooth connectivity, Device configuration, Alarm threshold definition, Maintenance testing, Calibration initiation, Real-time measurement viewing, Alarm status acknowledgement

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KoolCode free?

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

### Is RILEVA free?

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

### Do KoolCode or RILEVA have ads?

Neither KoolCode nor RILEVA shows ads.

### Which is updated more often, KoolCode or RILEVA?

KoolCode ships an update every 8 months, and RILEVA every 7 months. Most recently, KoolCode was updated on October 7, 2026 and RILEVA on October 2, 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.*