# Quick Graph vs PocketCAS lite for Mathematics

The clearest difference is in-app purchases: PocketCAS lite for Mathematics at none against Quick Graph's 1. Quick Graph's advantage is iOS requirement (9.0 vs 12.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Quick Graph sells 1 one-off in-app purchase. PocketCAS lite for Mathematics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for Quick Graph against 4.7 for PocketCAS lite for Mathematics. Both are backed by a comparable volume of ratings — 405 and 204 respectively. Written reviews are what separate them: 94% of Quick Graph's written reviews are positive against 91% of PocketCAS lite for Mathematics's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Quick Graph | PocketCAS lite for Mathematics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (405 ratings)](https://appshunter.io/ios/app/quick-graph/id292412367/reviews) | **[4.7 (204 ratings)](https://appshunter.io/ios/app/pocketcas-lite-for-mathematics/id517249689/reviews)** |
| Number of ratings | **405** | 204 |
| Positive reviews | **93.6% of reviews** | 90.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 3 MB | 25 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KZ Labs](https://appshunter.io/developer/1091008972) | [Timing Software GmbH](https://appshunter.io/developer/333261118) |

## 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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Features | $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


### PocketCAS lite for Mathematics

[App page](https://appshunter.io/ios/app/pocketcas-lite-for-mathematics/id517249689)

This advanced math application assists with a wide range of mathematical problems, from basic arithmetic to calculus, algebra, and statistics. It functions as a graphing calculator replacement, aids in homework, and supports complex calculations for academic and professional use.

**Highlights:** 2D and 3D plotting, Calculus functions (limits, derivatives), Linear algebra operations, Equation solving, Scripting language, Physical units and constants, iCloud sync

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 📊 Excellent graphing capabilities with 3D visualization
- 💰 Free version available with substantial features
- 🧮 Powerful mathematical computation engine
- 📱 Convenient mobile alternative to expensive calculators

**What reviewers complain about**

- 🐛 Recent updates cause crashes on older documents
- 💸 Expensive compared to free alternatives
- 🔒 Limited free version functionality
- 🎮 Clunky interface in some areas
- ❌ Cannot plot certain advanced functions

**Reported bugs**

- App crashes when loading previously saved documents
- Crashes with no error feedback or debugging information
- Cannot plot certain mathematical functions
- Zoom scaling issues with 3D graphs (scales Z-axis incorrectly)
- Compatibility broken with iOS 6 after iOS 7 update

**Requested features**

- Dark theme/dark mode for UI
- Multiple polynomials on single graph
- Inverse button functionality
- Better zoom functionality for 3D graphs
- Improved documentation and tutorials


## Frequently asked questions

### Is Quick Graph free?

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

### Is PocketCAS lite for Mathematics free?

PocketCAS lite for Mathematics is free to download, with no in-app purchases.

### Which has better reviews, Quick Graph or PocketCAS lite for Mathematics?

PocketCAS lite for Mathematics is rated higher. Quick Graph averages 4.6 out of 5 from 405 ratings, while PocketCAS lite for Mathematics averages 4.7 from 204 ratings.

### Do Quick Graph or PocketCAS lite for Mathematics have ads?

Neither Quick Graph nor PocketCAS lite for Mathematics shows ads.

### Which is updated more often, Quick Graph or PocketCAS lite for Mathematics?

Quick Graph ships an update every 3 months, and PocketCAS lite for Mathematics every 3 months. Most recently, Quick Graph was updated on October 1, 2026 and PocketCAS lite for Mathematics on September 29, 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.*