# Quick Graph vs Master Code

The clearest difference is in-app purchases: Master Code at none against Quick Graph's 2. Master Code also leads on iOS requirement (13.0 vs 17.0). Quick Graph's advantage is device support. On price there is nothing between them.

Both are free to download. Quick Graph sells 2 one-off in-app purchases. Master Code asks for nothing beyond the download.

## The numbers

| Metric | Quick Graph | Master Code |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (423 ratings)](https://appshunter.io/ios/app/quick-graph/id292412367/reviews)** | — |
| Number of ratings | **423** | — |
| Positive reviews | 93.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 93 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [KZ Labs](https://appshunter.io/developer/1091008972) | [Anuj Gupta](https://appshunter.io/developer/1651060633) |

## What reviewers say

### Quick Graph

[App page](https://appshunter.io/ios/app/quick-graph/id292412367)

This powerful graphing calculator leverages multitouch displays for 2D and 3D equation visualization. It supports various coordinate systems and offers features like equation editing, evaluation, and a library for storing common formulas. Advanced features are available through an in-app purchase.

**Highlights:** 2D and 3D graphing, Multiple coordinate systems, Equation evaluation, Equation library, Copy/email/save graphs, Implicit and inequality graphing (advanced)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Features | $1.99 | one-time |
| Buy Us a Coffee | $1.99 | one-time |

**What reviewers like**

- 🚀 Beautiful display
- 🚀 Quick and straightforward equations entry
- 🚀 Configurable axes and easy translation
- 👍 Wonderful and beautiful app
- 👍 Long tradition of working well

**What reviewers complain about**

- 🐛 Can't really graph polar
- 🐛 Redesign stinks
- 🐛 Few options for tablet version
- 🐛 Confusing design
- 🐛 Horrible manual

**Reported bugs**

- Crashes when trying to save to photos
- Equations not visible when projecting to external display
- Incorrect rendering of some functions like y=tan(x)*x
- Degradation in 3D plot quality when zooming out
- Equations not working as expected for simple cases like x+y=0

**Requested features**

- Display 3D surface with variable opacity or as wireframe
- Ability to define and display functions over a certain interval
- Ability to define and display parametric equations
- Ability to move cursor around within a function while typing
- Ability to animate equations with a parameter


### Master Code

[App page](https://appshunter.io/ios/app/master-code-technical-suneja/id6451967055)

**In-app purchases:** none


## Frequently asked questions

### Is Quick Graph free?

Quick Graph is free to download, with in-app purchases available.

### Is Master Code free?

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

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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.*