KeyLinker vs Controller Diagnostics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyLinker
Customize and enhance your controller experience with this utility app. Modify parameters for keys, lighting, vibration, and more to suit your personal preferences. Enjoy a more personalized and responsive gaming setup.
- Modify key parameters
- Customize lamplight settings
- Adjust vibration feedback
- Configure joystick and trigger
- Simultaneous device connection
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This app is used by handles that support keylinker protocol, which can be set to modify the parameters of more than ten functions of the handle, such as keys, lamplight, vibrations, joystick and trigger. Users can modify the parameters of the handle according to their habits. The flexible parameter settings greatly enhance the handle experience.The handle can be connected to this app and other equipment at the same time, and can be used at the same time
Controller Diagnostics
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This app allows you to diagnose your Lykketronic Controller. After opening the app, it will automatically connect to your Lykketronic Controller, and you will be able to read out important diagnostics information such as hardware model, serial numbers, software version and CAN-bus statistics.
Screenshots
Verdict
The clearest difference is iOS requirement: KeyLinker at 13.0 against Controller Diagnostics's 16.0. On price, update cadence, 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.
KeyLinker ships an update every 2 months, Controller Diagnostics every 5 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | KeyLinker | Controller Diagnostics |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (52 ratings) — better | — |
| Positive reviews | 30.2% of reviews | — |
| Number of ratings | 52 — better | — |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | ShenZhen ZhiXu Technology Co., Ltd | Lykketronic AS |
In-app purchases
KeyLinker
No in-app purchases
Controller Diagnostics
No in-app purchases
Questions
Is KeyLinker free?
Is Controller Diagnostics free?
Do KeyLinker or Controller Diagnostics have ads?
Which is updated more often, KeyLinker or Controller Diagnostics?
Other comparisons
