Comparison

Controller Diagnostics vs Megatuner

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Controller Diagnostics

Features
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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.

About

Megatuner

Features
Read full description

Introducing our powerful PI/PID controller tuner app for iOS. Our app makes it easy for you to tune your PI/PID controller using data from your control loop experiments. Our advanced algorithms analyze the data to help you find the optimal settings for your controller, ensuring optimal performance and stability. But that's not all. With our app, you can now convert your settings to over 20 different DCS vendors, making it easier than ever to integrate your control loop with the rest of your process control system. Features: * User-friendly interface for simple and efficient data input and analysis * Advanced algorithms for accurate and precise model and PI/PID controller tuning * Convert your PID controller parameters over 20 different DCS vendor forms. Whether you're an experienced engineer or just starting out, our PI/PID controller tuner app for iOS can help you fine-tune your control loop and improve your process control system. Download now and start optimizing your loops today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Controller Diagnostics1 screens
Megatuner4 screens

Verdict

The call

Controller Diagnostics and Megatuner are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

ScorecardNo meaningful differences
Controller Diagnostics versus Megatuner: the parameters behind the verdict, then further details
ParameterController DiagnosticsMegatuner
PriceFreeFree
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details โ€” not scored
Size2 MB3 MB
Age rating4+17+
DeveloperLykketronic ASChrister Dalen

In-app purchases

None

Controller Diagnostics

No in-app purchases

None

Megatuner

No in-app purchases

Questions

Is Controller Diagnostics free?
Controller Diagnostics is free to download, with no in-app purchases.
Is Megatuner free?
Megatuner is free to download, with no in-app purchases.
Do Controller Diagnostics or Megatuner have ads?
Neither Controller Diagnostics nor Megatuner shows ads.
Which is updated more often, Controller Diagnostics or Megatuner?
Controller Diagnostics ships an update every 3 weeks, and Megatuner every 3 weeks. Most recently, Controller Diagnostics was updated on September 17, 2026 and Megatuner on September 19, 2026.

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