# Megatuner

> Megatuner (iPhone/iPad app by Christer Dalen.)

- Source: https://appshunter.io/ios/app/megatuner/id6444596637 (this page in markdown: same URL + `.md`)
- Developer: [Christer Dalen](https://appshunter.io/developer/1655576002)
- Category: Utilities, Productivity
- Price: Free
- Age rating: 17+
- Requires: iOS 16.0 · 3 MB
- Languages: American English, Arabic, Hindi, Japanese, Russian, Chinese (Simplified, China), European Spanish
- Released: 2022-11-28
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/megatuner/id6444596637/reviews.md

## What is Megatuner?

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/


## Version history (last 5 releases)

### 2.0 — 2025-09-21

Removed subscriptions

### 1.9 — 2023-08-23

Improvements:
* Viewing the identified state space model (i.e. the "Simulator Model" on "Identify" tab) is now free.
* Improved efficiency of the underlying system identification routine.

### 1.8 — 2023-07-08

Improvements:
* Improved efficiency of the underlying PID Controller tuning routine.
* Added support for importing discrete state space models, allowing users to paste and utilize models from various sources, such as 1st principles.
* txt-files are now supported.
* Expanded language support with the addition of Arabic, Chinese, Hindi, Russian, Japanese, and Spanish translations.
* The data entered into the DCS setup will not reset each time you dismiss the sheet.

### 1.7 — 2023-05-16

Improvements:
*Implemented a change to the closed loop data chart functionality. This change ensures that the closed loop data effectively fills out the chart.
*Improved the user interface by introducing conditional button availability. This modification prevents users from initiating actions without appropriate input.

### 1.6 — 2023-05-08

Improvements:
* Improved app layout for a better user experience.
* Updated profile tab to include a link to the supporting website.
* Changed the app icon for a fresh look.

## Apps similar to Megatuner

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [EHT Companion](https://appshunter.io/ios/app/eht-companion/id6752253953) | — | Free | Utilities |
| [PIDTune](https://appshunter.io/ios/app/pidtune/id1045174726) | 5.0 (2) | $4.99 | Utilities |
| [PID Controller Simulation](https://appshunter.io/ios/app/pid-controller-simulation/id6612009107) | 3.0 (2) | $3.99 | Utilities |
| [PIDTuner](https://appshunter.io/ios/app/pidtuner/id6742595880) | — | $0.99 | Utilities |
| [Fan Spec Performance](https://appshunter.io/ios/app/fan-spec-performance/id498089949) | — | $3.99 | Utilities |
| [Unified-E](https://appshunter.io/ios/app/unified-e/id1084656253) | — | Free | Utilities |

## More apps by Christer Dalen

- [Megatuner Plus](https://appshunter.io/ios/app/megatuner-plus/id1665781784)

All apps by Christer Dalen: https://appshunter.io/developer/1655576002

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-18.*