# PIDTune vs Megatuner Plus

The clearest difference is price: Megatuner Plus at Free against PIDTune's $4.99. Megatuner Plus also leads on update cadence (every 5 weeks vs every 4 months). PIDTune's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Megatuner Plus is free to download; PIDTune costs $4.99 up front. Megatuner Plus sells 2 in-app purchases, starting at $4.49 per month. PIDTune asks for nothing beyond the download.

PIDTune ships an update every 4 months, Megatuner Plus every 5 weeks. The most recent releases landed on September 21, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PIDTune | Megatuner Plus |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pidtune/id1045174726/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 1 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Richard H Street](https://appshunter.io/developer/954888336) | [Christer Dalen](https://appshunter.io/developer/1655576002) |

## What reviewers say

### PIDTune

[App page](https://appshunter.io/ios/app/pidtune/id1045174726)

This utility calculates PID tuning parameters using the IMC method for various process and controller types. It allows for direct input of process gain or variable changes, with adjustable tuning aggression via a slider.

**Highlights:** IMC method for PID tuning, Calculates Kc, Ti, Td, Supports FO, SO, and I process types, Handles Parallel and Series controller types, Adjustable tuning aggression slider, Input process gain or variable changes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Megatuner Plus

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

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Megatuner_Mimo Full | $4.49 | per month |
| Megatuner_Mimo Full | $44.90 | per year |


## Frequently asked questions

### Is PIDTune free?

PIDTune costs $4.99, with no in-app purchases.

### Is Megatuner Plus free?

Megatuner Plus is free to download, with in-app purchases available.

### Do PIDTune or Megatuner Plus have ads?

Neither PIDTune nor Megatuner Plus shows ads.

### Which is updated more often, PIDTune or Megatuner Plus?

PIDTune ships an update every 4 months, and Megatuner Plus every 5 weeks. Most recently, PIDTune was updated on September 21, 2026 and Megatuner Plus on September 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*