# Refrigeration Toolkit vs FMHero

The clearest difference is ratings volume: Refrigeration Toolkit at 69 against FMHero's 14. On price, rating, review sentiment and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for Refrigeration Toolkit against 4.7 for FMHero. Both are backed by a comparable volume of ratings — 69 and 14 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Refrigeration Toolkit ships an update fortnightly, FMHero every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Refrigeration Toolkit | FMHero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (69 ratings)](https://appshunter.io/ios/app/refrigeration-toolkit/id1483010728/reviews)** | [4.7 (14 ratings)](https://appshunter.io/ios/app/fmhero/id1570918942/reviews) |
| Number of ratings | **69** | 14 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 168 MB | 81 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heatcraft Refrigeration Products, LLC](https://appshunter.io/developer/1483010727) | [FMHERO, LLC](https://appshunter.io/developer/1570918944) |

## 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


### FMHero

[App page](https://appshunter.io/ios/app/fmhero/id1570918942)

This app streamlines HVAC/R documentation, cutting paperwork time in half. It allows for quick unit scanning, precise refrigerant tracking, and ensures compliance with EPA regulations. Service records are stored permanently, moving with the user's career.

**Highlights:** Slash documentation time, Scan unit nameplates, Refrigerant and cylinder tracking, Permanent service records, Audit-ready compliance reports, EPA Section 608 compliance

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Refrigeration Toolkit free?

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

### Is FMHero free?

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

### Which has better reviews, Refrigeration Toolkit or FMHero?

Refrigeration Toolkit is rated higher. Refrigeration Toolkit averages 4.8 out of 5 from 69 ratings, while FMHero averages 4.7 from 14 ratings.

### Do Refrigeration Toolkit or FMHero have ads?

Neither Refrigeration Toolkit nor FMHero shows ads.

### Which is updated more often, Refrigeration Toolkit or FMHero?

Refrigeration Toolkit ships an update fortnightly, and FMHero every 2 weeks. Most recently, Refrigeration Toolkit was updated on October 24, 2026 and FMHero on October 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.*