# QQPIECHART — QQPIECHART APP

> Converts quantitative probability values to qualitative values for risk analysis. (iPhone/iPad app by QQ Pie Inc.)

- Source: https://appshunter.io/ios/app/qqpiechart/id6618156890 (this page in markdown: same URL + `.md`)
- Developer: [QQ Pie Inc](https://appshunter.io/developer/1761844154)
- Category: Business
- Price: Free with in-app purchases
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 13.4 · 36 MB
- Languages: English
- Released: 2025-01-22
- Data updated: 2026-06-11
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/qqpiechart/id6618156890/reviews.md

## What is QQPIECHART?

QQ Chart App is a tool used for converting the quantitative probability value obtained from the complaints or nonconformities in the form of percentage or decimal to the corresponding qualitative probability value of 1 through 5 set forth in the PHA (Preliminary Hazard Analysis), FMEA (Failure Mode and Effect Analysis) risk records.

Terms of use:https://www.qqpiechart.com/terms-conditions
Privacy policy: https://www.qqpiechart.com/privacy-policy

## Key features

- Quantitative to qualitative probability conversion
- Supports PHA risk analysis
- Supports FMEA risk analysis
- Converts percentages and decimals
- Outputs qualitative values 1 through 5

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Plan | $9.99 | per month |
| Basic Plan | $4.99 | per month |
| Premium Annual Plan | $99.99 | per year |



## Frequently asked questions about QQPIECHART

### What is QQPIECHART used for?

QQPIECHART is a tool designed to convert quantitative probability values, expressed as percentages or decimals from complaints or nonconformities, into qualitative probability values ranging from 1 to 5. This is specifically for use in risk analysis records like PHA and FMEA.

### What risk analysis methods does QQPIECHART support?

QQPIECHART directly supports the conversion of probability values for use in Preliminary Hazard Analysis (PHA) and Failure Mode and Effect Analysis (FMEA) risk records.

### What are the subscription plans for QQPIECHART?

QQPIECHART offers a Basic Plan at $4.99 per month, a Premium Plan at $9.99 per month, and a Premium Annual Plan for $99.99 per year. These plans likely unlock additional features or higher usage limits.

### How is QQPIECHART priced?

The base QQPIECHART application is available for free. However, it offers in-app purchases, including various subscription plans such as monthly and annual options.

### What is the age rating for QQPIECHART?

QQPIECHART has an age rating of 4+, making it suitable for a wide range of users, including younger individuals who may be involved in educational or introductory risk assessment contexts.

### On which devices can QQPIECHART be used?

QQPIECHART is currently supported on iPhone and iPod devices, indicating it is designed for the iOS ecosystem.

### How often is QQPIECHART updated?

The latest version of QQPIECHART is 1.3, and it was last updated on March 17, 2025. This suggests a relatively active development cycle for the application.

### Does QQPIECHART have ads?

Based on the provided data, QQPIECHART does not have advertisements. The monetization model is based on free access with optional in-app purchases and subscriptions.

## Version history (last 4 releases)

### 1.3 — 2025-03-17

Enhanced user experience

### 1.2 — 2025-02-25

Enhanced user experience

### 1.1 — 2025-01-28

-The extension in the profile update is now optional.
-Updated "How It Works" section for better clarity.

### 1.0 — 2025-01-23

No release notes.

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## Related topics

[qqpiechart](https://appshunter.io/ios/topics/qqpiechart)

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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 2026-06-11.*