# PocketCAS vs GeometrySoln

The clearest difference is in-app purchases: GeometrySoln at none against PocketCAS's 1. GeometrySoln also leads on iOS requirement (9.0 vs 18.0). PocketCAS's advantage is update cadence (every 3 months vs every 59 months). On price, ads and device support there is nothing between them.

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

PocketCAS ships an update every 3 months, GeometrySoln every 59 months. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PocketCAS | GeometrySoln |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (204 ratings)](https://appshunter.io/ios/app/pocketcas-graphing-calculator/id517249689/reviews)** | — |
| Number of ratings | **204** | — |
| Positive reviews | 90.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 59 months |
| Monetization | Free | — |
| Size | 42 MB | 16 MB |
| Requires iOS | 18.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Timing Software GmbH](https://appshunter.io/developer/333261118) | [Alakmalak Technologies Pvt. Ltd.](https://appshunter.io/developer/406782291) |

## 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


### GeometrySoln

[App page](https://appshunter.io/ios/app/geometrysoln-calculation/id1357030006)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PocketCAS free?

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

### Is GeometrySoln free?

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

### Do PocketCAS or GeometrySoln have ads?

Neither PocketCAS nor GeometrySoln shows ads.

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

PocketCAS ships an update every 3 months, and GeometrySoln every 59 months. Most recently, PocketCAS was updated on October 23, 2026 and GeometrySoln on October 19, 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.*