# Refrigeration Toolkit vs HVAC Startup Checklist

The clearest difference is in-app purchases: Refrigeration Toolkit at none against HVAC Startup Checklist's 2. Refrigeration Toolkit also leads on ratings volume (69 vs 2). HVAC Startup Checklist's advantage is update cadence (daily vs fortnightly) and rating (5.0 vs 4.8). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HVAC Startup Checklist sells 2 in-app purchases, starting at $2.99 per month. Refrigeration Toolkit asks for nothing beyond the download.

HVAC Startup Checklist 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 2, so its average is the more settled of the two.

Refrigeration Toolkit ships an update fortnightly, HVAC Startup Checklist daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Refrigeration Toolkit | HVAC Startup Checklist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (69 ratings)](https://appshunter.io/ios/app/refrigeration-toolkit/id1483010728/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hvac-startup-checklist/id6801699340/reviews)** |
| Number of ratings | **69** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 168 MB | 3 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heatcraft Refrigeration Products, LLC](https://appshunter.io/developer/1483010727) | [STEPHEN JAMES CIULLA](https://appshunter.io/developer/1862003886) |

## 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


### HVAC Startup Checklist

[App page](https://appshunter.io/ios/app/hvac-startup-checklist/id6801699340)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Annual | $24.99 | per year |


## Frequently asked questions

### Is Refrigeration Toolkit free?

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

### Is HVAC Startup Checklist free?

HVAC Startup Checklist is free to download, with in-app purchases available.

### Which has better reviews, Refrigeration Toolkit or HVAC Startup Checklist?

HVAC Startup Checklist is rated higher. Refrigeration Toolkit averages 4.8 out of 5 from 69 ratings, while HVAC Startup Checklist averages 5.0 from 2 ratings.

### Do Refrigeration Toolkit or HVAC Startup Checklist have ads?

Neither Refrigeration Toolkit nor HVAC Startup Checklist shows ads.

### Which is updated more often, Refrigeration Toolkit or HVAC Startup Checklist?

Refrigeration Toolkit ships an update fortnightly, and HVAC Startup Checklist daily. Most recently, Refrigeration Toolkit was updated on October 24, 2026 and HVAC Startup Checklist 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.*