# Lambda Tuner vs Megatuner Plus

The clearest difference is price: Megatuner Plus at Free against Lambda Tuner's $3.99. Megatuner Plus also leads on update cadence (every 5 weeks vs every 19 months). Lambda Tuner'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; Lambda Tuner costs $3.99 up front. Megatuner Plus sells 2 in-app purchases, starting at $4.49 per month. Lambda Tuner asks for nothing beyond the download.

Lambda Tuner ships an update every 19 months, Megatuner Plus every 5 weeks. The most recent releases landed on July 5, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Lambda Tuner | Megatuner Plus |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/lambda-tuner/id632731065/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 1 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Johan Bjors](https://appshunter.io/developer/632731068) | [Christer Dalen](https://appshunter.io/developer/1655576002) |

## What reviewers say

### Lambda Tuner

[App page](https://appshunter.io/ios/app/lambda-tuner/id632731065)

This tool helps tune PID controllers using the Lambda method to calculate P, I, and D parameters. It's designed for intuitive use in various process industries and works on self-regulating and integrating loops. You can also use it to learn the impact of different PID parameters.

**Highlights:** Lambda method for PID parameter calculation, Supports self-regulating and integrating loops, Intuitive and easy to use interface, Adjustable Lambda value for reaction speed, Manual PID parameter testing, Educational tool for PID parameter impact

**Features:** macOS Compatibility

**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 Lambda Tuner free?

Lambda Tuner costs $3.99, with no in-app purchases.

### Is Megatuner Plus free?

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

### Do Lambda Tuner or Megatuner Plus have ads?

Neither Lambda Tuner nor Megatuner Plus shows ads.

### Which is updated more often, Lambda Tuner or Megatuner Plus?

Lambda Tuner ships an update every 19 months, and Megatuner Plus every 5 weeks. Most recently, Lambda Tuner was updated on July 5, 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.*