# Quadratic Master vs Equation

The clearest difference is in-app purchases: Equation at none against Quadratic Master's 1. Equation also leads on update cadence (monthly vs every 5 months) and device support (3 vs 1). Quadratic Master's advantage is ads (none vs shown). On price and iOS requirement there is nothing between them.

Both are free to download. Quadratic Master sells 1 one-off in-app purchase. Equation asks for nothing beyond the download.

Quadratic Master ships an update every 5 months, Equation monthly. The most recent releases landed on September 20, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Quadratic Master | Equation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (333 ratings)](https://appshunter.io/ios/app/quadratic-master/id351899924/reviews)** | — |
| Number of ratings | **333** | — |
| Positive reviews | 73.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 34 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lukas Petr](https://appshunter.io/developer/820384324) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### Quadratic Master

[App page](https://appshunter.io/ios/app/quadratic-master/id351899924)

This app helps users solve and learn about quadratic equations, inequations, and functions. It offers tools for students and professionals, including solvers, formulas, and visual aids like 3D parabola models. Share solutions and explore function graphs with this educational math tool.

**Highlights:** Quadratic equation solver, Quadratic inequation solver, Quadratic function solver, 3D rotating parabola model, Graph mixer, Detailed solution explanations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $3.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Solves quadratic equations
- 🚫 No ads
- 📚 Helpful for homework
- 🚀 Handy for complicated equations

**What reviewers complain about**

- 🐛 Input keypad incomplete
- 🐛 App not working
- 🐛 Cannot enter problems
- 🐛 Not showing in app library
- 🐛 Cannot change addition to subtraction

**Reported bugs**

- Input keypad incomplete after iOS update
- App not working/unusable
- Cannot enter problems
- Not showing in app library
- Cannot change addition to subtraction

**Requested features**

- Ability to use large decimals/scientific notation
- Cooler icon
- Change standard formula to vertex form


### Equation

[App page](https://appshunter.io/ios/app/equation-solver/id1618982230)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quadratic Master free?

Quadratic Master is free to download, with in-app purchases available.

### Is Equation free?

Equation is free to download, with no in-app purchases.

### Do Quadratic Master or Equation have ads?

Equation shows ads; Quadratic Master does not.

### Which is updated more often, Quadratic Master or Equation?

Quadratic Master ships an update every 5 months, and Equation monthly. Most recently, Quadratic Master was updated on September 20, 2026 and Equation on June 5, 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.*