# dDrives vs Tauris Training

The clearest difference is rating: dDrives at 4.5 against Tauris Training's 3.9. dDrives also leads on monetization model (free vs free with in-app purchases) and iOS requirement (12.0 vs 17.0). Tauris Training's advantage is update cadence (fortnightly vs monthly). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. dDrives sells 1 one-off in-app purchase and Tauris Training sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

dDrives holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 32 and 11 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

dDrives ships an update monthly, Tauris Training fortnightly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | dDrives | Tauris Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (32 ratings)](https://appshunter.io/ios/app/ddrives-vfd-help/id1214502123/reviews)** | [3.9 (11 ratings)](https://appshunter.io/ios/app/tauris-training/id1544361860/reviews) |
| Number of ratings | **32** | 11 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 254 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Evgeny Makarenkov](https://appshunter.io/developer/1214502122) | [Tauris McBride](https://appshunter.io/developer/1458310031) |

## What reviewers say

### dDrives

[App page](https://appshunter.io/ios/app/ddrives-vfd-help/id1214502123)

Access alarm descriptions, troubleshooting guides, and user manuals for Danfoss VLT drives. This professional tool provides essential information for commissioning and service, supporting a wide range of drive models.

**Highlights:** Alarm descriptions, Troubleshooting guides, User manual links, Support for multiple VLT drive models, Multilingual alarm descriptions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Drives | $1.99 | one-time |


### 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 |


## Frequently asked questions

### Is dDrives free?

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

### Is Tauris Training free?

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

### Which has better reviews, dDrives or Tauris Training?

dDrives is rated higher. dDrives averages 4.5 out of 5 from 32 ratings, while Tauris Training averages 3.9 from 11 ratings.

### Do dDrives or Tauris Training have ads?

Neither dDrives nor Tauris Training shows ads.

### Which is updated more often, dDrives or Tauris Training?

dDrives ships an update monthly, and Tauris Training fortnightly. Most recently, dDrives was updated on October 24, 2026 and Tauris Training on October 29, 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.*