# Diagnostic Tool vs DriveWizard

The clearest difference is review sentiment: Diagnostic Tool at 100% against DriveWizard's 15%. Diagnostic Tool also leads on rating (5.0 vs 2.2) and iOS requirement (11.0 vs 15.0). DriveWizard's advantage is ratings volume (23 vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Diagnostic Tool holds the better App Store score, 5.0 against 2.2. That said, the two scores are not equally well evidenced: DriveWizard has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of Diagnostic Tool's written reviews are positive against 15% of DriveWizard's.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 16, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Diagnostic Tool | DriveWizard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/diagnostic-tool/id1175329949/reviews)** | [2.2 (23 ratings)](https://appshunter.io/ios/app/drivewizard/id1322278860/reviews) |
| Number of ratings | 4 | **23** |
| Positive reviews | **100.0% of reviews** | 15.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | Free |
| Size | 19 MB | 167 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Control Techniques Limited](https://appshunter.io/developer/577139804) | [YASKAWA ELECTRIC CORPORATION](https://appshunter.io/developer/1322278859) |

## What reviewers say

### Diagnostic Tool

[App page](https://appshunter.io/ios/app/diagnostic-tool/id1175329949)

Quickly resolve error codes for Control Techniques' drives with this tool. It includes wiring diagrams for setup and fault finding, plus direct access to global technical support contact information.

**Highlights:** Error code lookup, Wiring diagrams, Fault finding assistance, Technical support contacts, Supported product list

**Features:** macOS Compatibility

**In-app purchases:** none


### DriveWizard

[App page](https://appshunter.io/ios/app/drivewizard/id1322278860)

Access detailed product information, technical data, and troubleshooting guides by scanning QR codes on drives. Remotely edit parameters, operate, and monitor drive conditions in real-time via Bluetooth. Back up inverter parameters to the cloud for anytime, anywhere access.

**Highlights:** QR code scanning for product data, Real-time drive monitoring, Parameter editing via Bluetooth, Cloud backup of drive parameters, Access to technical data and catalogs, Troubleshooting assistance

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

**In-app purchases:** none


## Frequently asked questions

### Is Diagnostic Tool free?

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

### Is DriveWizard free?

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

### Which has better reviews, Diagnostic Tool or DriveWizard?

Diagnostic Tool is rated higher. Diagnostic Tool averages 5.0 out of 5 from 4 ratings, while DriveWizard averages 2.2 from 23 ratings.

### Do Diagnostic Tool or DriveWizard have ads?

Neither Diagnostic Tool nor DriveWizard shows ads.

### Which is updated more often, Diagnostic Tool or DriveWizard?

Diagnostic Tool ships an update every 5 months, and DriveWizard every 5 months. Most recently, Diagnostic Tool was updated on October 16, 2026 and DriveWizard on September 26, 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.*