# Quadratic Inequalities — The tutor in your pocket.

> Educational tool for mastering quadratic inequalities through graphing and practice. (iPhone/iPad app by Walter Kissach.)

- Source: https://appshunter.io/ios/app/quadratic-inequalities/id293232785 (this page in markdown: same URL + `.md`)
- Developer: [Walter Kissach](https://appshunter.io/developer/293232788)
- Category: Education, Reference
- Price: $0.99
- Rating: 1.00/5 from 5 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 18.0 · 2 MB
- Languages: English
- Released: 2008-10-14
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/quadratic-inequalities/id293232785/reviews.md

## What is Quadratic Inequalities?

A power learning aid combining Practice, Coaching Calculators and Guides to help students master the solving of quadratic inequalities by sketching associated graphs.

Coaching Calculators cover :

Solving quadratic inequalities

- by sketching associated graph

The Guide covers :
  
 - Writing in general form
 - Finding the graph shape
 - Finding the x-intercept(s) if any
 - Sketching the graph
 - Finding the solution by inspection
 
Examples cover major types of quadratic inequalities and feature the finding of x-intercepts by factoring, completing the square and the quadratic formula.

The app also includes Guides and Coaching Calculators for finding the vertex of a quadratic graph :

- by completing the square

## Key features

- Practice problems
- Coaching calculators
- Graph sketching guides
- Solving by inspection
- Finding vertex
- Examples of major inequality types

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/quadratic-inequalities/id293232785/reviews.md

### 1/5 — Mrs

*2010-04-28*

I want my money back!!!! It's not a calculator like he stated, it's a rip off!!!!

### 3/5 — Ok

*2009-02-09*

It is good but I thought it was a calculator and not just a guide to help

## Frequently asked questions about Quadratic Inequalities

### What is the main purpose of Quadratic Inequalities?

Quadratic Inequalities is designed to help students master the solving of quadratic inequalities. It achieves this through a combination of practice exercises, coaching calculators, and detailed guides that focus on sketching associated graphs.

### What specific topics are covered in Quadratic Inequalities?

The app covers solving quadratic inequalities by sketching graphs, writing equations in general form, finding graph shapes, identifying x-intercepts, and solving by inspection. It also includes guides for finding the vertex of a quadratic graph.

### How does Quadratic Inequalities help with finding x-intercepts?

Examples within the app demonstrate finding x-intercepts using factoring, completing the square, and the quadratic formula, which are essential steps for accurately sketching the graph of a quadratic inequality.

### What devices is Quadratic Inequalities available on?

Quadratic Inequalities is available for iPhone and iPad devices, making it accessible for students on Apple's mobile and tablet platforms.

### What is the age rating for Quadratic Inequalities?

Quadratic Inequalities has an age rating of 4+, indicating it is suitable for a wide range of users, including younger students who are beginning to learn about quadratic concepts.

### How often is Quadratic Inequalities updated?

The app was last updated on September 17, 2025, with version 7.2. This indicates ongoing support and potential for future improvements or content additions.

### Does Quadratic Inequalities offer a free trial?

Quadratic Inequalities is a paid application priced at $0.99 and does not appear to offer a free trial period. Users can purchase it directly to access all its features.

### What is the user feedback on Quadratic Inequalities?

Based on the available data, Quadratic Inequalities has a rating of 1.0 stars from 5 ratings. This suggests a very low user satisfaction level, and potential users should consider this feedback carefully.

## Version history (last 5 releases)

### 7.2 — 2025-09-17

This version is iOS 18 compatible and contains minor bug fixes.

### 7.1 — 2024-04-06

iOS 17 compatibility and minor bug fixes.

### 7.0 — 2021-10-12

iOS 15 compatibility and minor bug fixes.

### 6.9 — 2020-05-20

New Practice module and minor bug fixes.

### 6.8 — 2020-01-23

Minor bug fixes and enhancements.

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## More apps by Walter Kissach

- [Circles and Equations](https://appshunter.io/ios/app/circles-and-equations/id293619582)
- [Even and Odd Polynomials](https://appshunter.io/ios/app/even-and-odd-polynomials/id293668394)
- [Quadratic Factoring](https://appshunter.io/ios/app/quadratic-factoring/id294040055)
- [Quadratic Equations](https://appshunter.io/ios/app/quadratic-equations/id294195555)
- [20/20 Fraction Basics](https://appshunter.io/ios/app/2020-fraction-basics/id298766849)

All apps by Walter Kissach: https://appshunter.io/developer/293232788

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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 2026-06-10.*