# Refrigeration Toolkit vs Arrco Compressor

The clearest difference is update cadence: Refrigeration Toolkit at fortnightly against Arrco Compressor's every 7 months. Refrigeration Toolkit also leads on ratings volume (69 vs 4). Arrco Compressor's advantage is rating (5.0 vs 4.8) and iOS requirement (12.0 vs 16.0). 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.

Arrco Compressor holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Refrigeration Toolkit has 69 ratings behind it against 4, so its average is the more settled of the two.

Refrigeration Toolkit ships an update fortnightly, Arrco Compressor every 7 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Refrigeration Toolkit | Arrco Compressor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (69 ratings)](https://appshunter.io/ios/app/refrigeration-toolkit/id1483010728/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/arrco-compressor/id1558858191/reviews)** |
| Number of ratings | **69** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 7 months |
| Monetization | Free | Free |
| Size | 168 MB | 42 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heatcraft Refrigeration Products, LLC](https://appshunter.io/developer/1483010727) | [AMP Microcomputer Inc.](https://appshunter.io/developer/402507347) |

## What reviewers say

### Refrigeration Toolkit

[App page](https://appshunter.io/ios/app/refrigeration-toolkit/id1483010728)

This tool helps users build and model bug fixes. It is designed for professionals in the refrigeration industry to streamline their maintenance and repair processes.

**Highlights:** Build models, Model bug fixes, Streamline processes

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

**In-app purchases:** none


### Arrco Compressor

[App page](https://appshunter.io/ios/app/arrco-compressor/id1558858191)

Access a database of over 5,000 HVAC system components to find the correct replacement compressor. View performance, electrical, and mechanical data, along with contact and warranty information.

**Highlights:** Cross-reference over 5,000 HVAC components, Find correct compressor replacements, Access performance data, View electrical and mechanical specs, Check warranty information, Find contact details

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Refrigeration Toolkit free?

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

### Is Arrco Compressor free?

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

### Which has better reviews, Refrigeration Toolkit or Arrco Compressor?

Arrco Compressor is rated higher. Refrigeration Toolkit averages 4.8 out of 5 from 69 ratings, while Arrco Compressor averages 5.0 from 4 ratings.

### Do Refrigeration Toolkit or Arrco Compressor have ads?

Neither Refrigeration Toolkit nor Arrco Compressor shows ads.

### Which is updated more often, Refrigeration Toolkit or Arrco Compressor?

Refrigeration Toolkit ships an update fortnightly, and Arrco Compressor every 7 months. Most recently, Refrigeration Toolkit was updated on October 4, 2026 and Arrco Compressor on October 14, 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.*