# FK Connect vs HVAC Tech Toolkit

The clearest difference is in-app purchases: FK Connect at none against HVAC Tech Toolkit's 2. FK Connect also leads on iOS requirement (12.4 vs 17.6). HVAC Tech Toolkit's advantage is update cadence (weekly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. HVAC Tech Toolkit sells 2 in-app purchases, starting at $1.99 per month. FK Connect asks for nothing beyond the download.

FK Connect ships an update every 5 weeks, HVAC Tech Toolkit weekly. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | FK Connect | HVAC Tech Toolkit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 26 MB | 16 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [FK Facades Limited](https://appshunter.io/developer/1655025933) | [Matthew Catchpole](https://appshunter.io/developer/1845418165) |

## What reviewers say

### FK Connect

[App page](https://appshunter.io/ios/app/fk-connect/id6444502041)

**Features:** macOS Compatibility

**In-app purchases:** none


### HVAC Tech Toolkit

[App page](https://appshunter.io/ios/app/hvac-tech-toolkit/id6753879200)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $1.99 | per month |
| Premium Membership | $1.99 | one-time |


## Frequently asked questions

### Is FK Connect free?

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

### Is HVAC Tech Toolkit free?

HVAC Tech Toolkit is free to download, with in-app purchases available.

### Do FK Connect or HVAC Tech Toolkit have ads?

Neither FK Connect nor HVAC Tech Toolkit shows ads.

### Which is updated more often, FK Connect or HVAC Tech Toolkit?

FK Connect ships an update every 5 weeks, and HVAC Tech Toolkit weekly. Most recently, FK Connect was updated on October 11, 2026 and HVAC Tech Toolkit on October 5, 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.*