Comparison

Megatuner Plus vs PLC Pro

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

Head to head
About

Megatuner Plus

Features
Read full description

Introducing an Advanced PID Controller Tuner for iOS. The Megatunes Plus app makes the tuning of your PI/PID controllers of (generally) noisy & possible interacting process loops easier. 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. Example processes: Chemical processing plants, Power Plants, ship position control, to mention some. Features: * Advanced PI/PID Controller Tuner for generally noisy & possible interacting process loops. * User-friendly interface for simple and efficient data input and analysis * Advanced algorithms for accurate and precise model and 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/

About

PLC Pro

Read full description

PLC Pro is the essential professional calculator designed specifically for instrumentation engineers, technicians, and control systems specialists. Streamline your fieldwork with precise tools for signal calibration, alarm configuration, and PLC/DCS integrationsβ€”all in one powerful, pocket-sized app. Key Features: β€’ Multi-Signal Support – Effortlessly handle 4-20mA, 0-20mA, or 0-10V signals β€’ 5-Point Signal Check – Generate instant calibration checkpoints at 0%, 25%, 50%, 75%, and 100% β€’ Raw Count Conversion – Seamlessly convert between ADC/DAC counts and engineering units for any PLC or DCS system β€’ Alarm Setpoint Calculator – Compute low/high pre-trip and trip values with deadband resets β€’ Deviation Alarms – Apply deviation percentages and view values across all checkpoints β€’ Square Root Extraction – Built-in calculations for flow transmitters β€’ Save & Organize – Store unlimited calculations for fast field reference β€’ Fault Detection Reference – Integrated NAMUR NE43 guidelines for reliable signal diagnostics Ideal For: Instrument technicians β€’ Control systems engineers β€’ PLC/DCS programmers β€’ Process engineers β€’ Maintenance professionals β€’ Automation specialists Elevate your instrumentation workflow with PLC Proβ€”accuracy and efficiency at your fingertips.

Screenshots

Megatuner Plus4 screens
PLC Pro4 screens

Verdict

The call

The clearest difference is price: Megatuner Plus at Free against PLC Pro's $9.99. PLC Pro's advantage is in-app purchases (none vs 2) and update cadence (every 5 days vs every 5 weeks). On ads, device support and iOS requirement there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Megatuner Plus is free to download; PLC Pro costs $9.99 up front. Megatuner Plus sells 2 in-app purchases, starting at $4.49 per month. PLC Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Megatuner Plus ships an update every 5 weeks, PLC Pro every 5 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

Scorecard3 real differences Β· 3 level
Megatuner Plus versus PLC Pro: the parameters behind the verdict, then further details
ParameterMegatuner PlusPLC Pro
PriceFree β€” better$9.99
Update frequencyEvery 5 weeksEvery 5 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 β€” better
Further details β€” not scored
Size1 MB47 MB
Age rating17+4+
DeveloperChrister DalenJames Johnson

In-app purchases

2 purchases

Megatuner Plus

Subscriptions2
  • Megatuner_Mimo Full$4.491 Month
  • Megatuner_Mimo Full$44.901 Year
None

PLC Pro

No in-app purchases

Questions

Is Megatuner Plus free?
Megatuner Plus is free to download, with in-app purchases available.
Is PLC Pro free?
PLC Pro costs $9.99, with no in-app purchases.
Do Megatuner Plus or PLC Pro have ads?
Neither Megatuner Plus nor PLC Pro shows ads.
Which is updated more often, Megatuner Plus or PLC Pro?
Megatuner Plus ships an update every 5 weeks, and PLC Pro every 5 days. Most recently, Megatuner Plus was updated on October 3, 2026 and PLC Pro on October 7, 2026.

Other comparisons