# Tauris Training vs HVAC Toolkit Lite

The clearest difference is rating: HVAC Toolkit Lite at 5.0 against Tauris Training's 3.9. HVAC Toolkit Lite also leads on in-app purchases (none vs 3) and iOS requirement (12.0 vs 17.0). Tauris Training's advantage is ratings volume (11 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Tauris Training sells 3 one-off in-app purchases. HVAC Toolkit Lite asks for nothing beyond the download.

HVAC Toolkit Lite holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Tauris Training has 11 ratings behind it against 1, so its average is the more settled of the two.

Tauris Training ships an update fortnightly, HVAC Toolkit Lite every 11 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Tauris Training | HVAC Toolkit Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (11 ratings)](https://appshunter.io/ios/app/tauris-training/id1544361860/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hvac-toolkit-lite/id1628371325/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 254 MB | 61 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tauris McBride](https://appshunter.io/developer/1458310031) | [Mohamad Jaber](https://appshunter.io/developer/1623246777) |

## What reviewers say

### Tauris Training

[App page](https://appshunter.io/ios/app/tauris-training/id1544361860)

This platform offers interactive training for HVAC, building engineering, and facilities management. It provides a simulated environment for studying complex technical concepts.

**Highlights:** Interactive training modules, HVAC system simulation, Building engineering studies, Facilities management practice, Technical concept learning

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EPA 608 Training | $299.99 | one-time |
| HVAC Basic Training | $499.99 | one-time |
| NYC Q-01 Training | $499.99 | one-time |


### HVAC Toolkit Lite

[App page](https://appshunter.io/ios/app/hvac-toolkit-lite/id1628371325)

This tool assists HVAC engineers with design checks and quick calculations. It offers various tools for ducting friction loss, pipe sizing, ventilation, and heat load estimations, providing instructions and formulas for each calculation.

**Highlights:** Friction loss calculation, Pipe sizing, Ventilation calculations, Heat load estimation, Pump head calculation, Fan ESP calculation, Metric/Imperial units, English/Arabic language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tauris Training free?

Tauris Training is free to download, with in-app purchases available.

### Is HVAC Toolkit Lite free?

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

### Which has better reviews, Tauris Training or HVAC Toolkit Lite?

HVAC Toolkit Lite is rated higher. Tauris Training averages 3.9 out of 5 from 11 ratings, while HVAC Toolkit Lite averages 5.0 from 1 ratings.

### Do Tauris Training or HVAC Toolkit Lite have ads?

Neither Tauris Training nor HVAC Toolkit Lite shows ads.

### Which is updated more often, Tauris Training or HVAC Toolkit Lite?

Tauris Training ships an update fortnightly, and HVAC Toolkit Lite every 11 days. Most recently, Tauris Training was updated on November 3, 2026 and HVAC Toolkit Lite on November 3, 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.*