# PocketCAS vs SIMO

The clearest difference is price: PocketCAS at Free against SIMO's $4.99. PocketCAS also leads on review sentiment (91% vs 58%) and rating (4.6 vs 4.2). SIMO's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 3 months). On ads and device support there is nothing between them.

PocketCAS is free to download; SIMO costs $4.99 up front. PocketCAS sells 1 one-off in-app purchase. SIMO asks for nothing beyond the download.

PocketCAS holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 204 and 58 respectively. Written reviews point the same way: 91% of PocketCAS's written reviews are positive against 58% of SIMO's.

PocketCAS ships an update every 3 months, SIMO every 3 weeks. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | PocketCAS | SIMO |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.6 (204 ratings)](https://appshunter.io/ios/app/pocketcas-graphing-calculator/id517249689/reviews)** | [4.2 (58 ratings)](https://appshunter.io/ios/app/simo-matlab-programming-app/id932694386/reviews) |
| Number of ratings | **204** | 58 |
| Positive reviews | **90.8% of reviews** | 58.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Paid |
| Size | 42 MB | 61 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Timing Software GmbH](https://appshunter.io/developer/333261118) | [Numerical Co.](https://appshunter.io/developer/1128647431) |

## What reviewers say

### PocketCAS

[App page](https://appshunter.io/ios/app/pocketcas-graphing-calculator/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

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PocketCAS Pro | $29.99 | one-time |

**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


### SIMO

[App page](https://appshunter.io/ios/app/simo-matlab-programming-app/id932694386)

This app provides a MATLAB development environment for iOS devices, allowing users to create, edit, and run MATLAB code locally. It's designed for beginners and students learning MATLAB basics, offering essential syntax and functions without requiring an internet connection.

**Highlights:** MATLAB interpreter for beginners, Create, edit, and run MATLAB code, 100% on-device computation, Offline functionality, Real-time plot rendering, Command console with syntax highlighting, File manager with iCloud sync

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PocketCAS free?

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

### Is SIMO free?

SIMO costs $4.99, with no in-app purchases.

### Which has better reviews, PocketCAS or SIMO?

PocketCAS is rated higher. PocketCAS averages 4.6 out of 5 from 204 ratings, while SIMO averages 4.2 from 58 ratings.

### Do PocketCAS or SIMO have ads?

Neither PocketCAS nor SIMO shows ads.

### Which is updated more often, PocketCAS or SIMO?

PocketCAS ships an update every 3 months, and SIMO every 3 weeks. Most recently, PocketCAS was updated on October 23, 2026 and SIMO on October 21, 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.*