# PI Tuner

> Calculates tuning parameters for a controller.

Canonical page: [https://chrome-stats.com/d/com.jss.pituner](https://chrome-stats.com/d/com.jss.pituner)

## Overview

- **ID:** `com.jss.pituner`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Jukka Säynäjoki
- **Category:** TOOLS
- **Version:** 1.0.4
- **Last updated:** 2026-07-24
- **First published:** 2026-07-21
- **Publisher country:** FI
- **Size:** 18 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.jss.pituner)
- **Website:** [https://sites.google.com/view/jss-pid-tune/pi-tuner](https://sites.google.com/view/jss-pid-tune/pi-tuner)
- **Privacy policy:** [https://sites.google.com/view/jss-pid-tune/privacy-policy](https://sites.google.com/view/jss-pid-tune/privacy-policy)

## Description

Calculates tuning parameter from user's open-loop step change data. The Internal Model Control (IMC) method converts a desired closed-loop time constant into PI parameters for a first-order-plus-dead-time (FOPDT) model. Time constants Slow, Moderate, and Fast are used.

## Rankings

- #3,142,806 — Overall

## Permissions and access

### Permissions

- `android.permission.INTERNET`
- `com.android.vending.CHECK_LICENSE`
- `com.jss.pituner.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.jss.pituner)