# Reliability of systems

> Tools for calculating reliability

Canonical page: [https://chrome-stats.com/d/com.peterhohsy.reliability](https://chrome-stats.com/d/com.peterhohsy.reliability)

## Overview

- **ID:** `com.peterhohsy.reliability`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Peter Ho
- **Category:** EDUCATION
- **Downloads:** 537
- **Version:** 2.0.20
- **Last updated:** 2026-07-26
- **First published:** 2022-10-10
- **Publisher country:** HK
- **Size:** 7.48 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.peterhohsy.reliability)
- **Website:** [http://peterho386.weebly.com/](http://peterho386.weebly.com/)
- **Privacy policy:** [https://peterho386.weebly.com/uploads/6/7/6/9/6769822/privacy\_policy.txt](https://peterho386.weebly.com/uploads/6/7/6/9/6769822/privacy_policy.txt)

## Description

This app is a tool for calculating reliability. It is suitable for hobbyist, students or engineers.<br><br><b>Features</b><br>• Mean-Time-Between-Failure (MTBF) calculator<br>• Reliability of series systems<br>• Reliability of parallel systems<br>• Reliability function<br><br><b>Features in PRO</b><br>• Reliability of mixed systems<br><br> All trade names mentioned in this app or the other documentation provided by this app are trademarks or registered trademarks of their respective holder. This app is not related or affiliated in any way these companies.

## Rankings

- #1,362,141 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.peterhohsy.reliability.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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