Diagnostic Tool vs AK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diagnostic Tool
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.
- Error code lookup
- Wiring diagrams
- Fault finding assistance
- Technical support contacts
- Supported product list
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Diagnostic Tool is a fast and simple tool, which allows users of Control Techniques' drives to quickly solve any error codes that the drive may show. Built within the app are easy to locate wiring diagrams for first time setup and fault finding with links to the relevant comprehensive manuals. The app also has full contact details of the technical support teams around the world to aid you with technical assistance The following products on the app are: Unidrive M Powerdrive F300 Elevator Drive Unidrive SP Commander SK Digitax ST Mentor MP
AK
This application provides a user-friendly interface to connect with a Danfoss Bluetooth display for AK-CC case controllers. It offers a visual overview of controller functions, alarm details, live parameter monitoring, and quick setup capabilities.
- Bluetooth connectivity to AK-CC controllers
- Visual overview of operation status
- View alarm details and troubleshooting tips
- Monitor live parameter graphs
- Access main controls (Main Switch, Defrost)
- Quick Setup for controllers
- Save and email setting files
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Make service easy with the free AK-CC Connect app. Via a Danfoss Bluetooth display you can connect to an AK-CC case controller and get a visual overview of the display functions. The app ensures smooth interaction with a Danfoss AK-CC case controller in a user-friendly design. Use AK-CC Connect to: • Get an overview of the operation status of the case controller • View alarm details and get tips for on-site troubleshooting • Monitor live graphs for main parameters • Get easy access to main controls like Main Switch, Defrost and Thermostat cut-out temperature • Manually override outputs • Get the controller up and running with Quick Setup • Copy, save and e-mail setting files
Screenshots
Verdict
The clearest difference is update cadence: Diagnostic Tool at every 5 months against AK's every 14 months. Diagnostic Tool also leads on ratings volume (4 vs 1) and iOS requirement (11.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Diagnostic Tool against 5.0 for AK. Both are backed by a comparable volume of ratings — 4 and 1 respectively.
Diagnostic Tool ships an update every 5 months, AK every 14 months. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.
| Parameter | Diagnostic Tool | AK |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | 1 |
| Update frequency | Every 5 months — better | Every 14 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Control Techniques Limited | Danfoss A/S |
Customer experience
Diagnostic Tool
AK
In-app purchases
Diagnostic Tool
No in-app purchases
AK
No in-app purchases
