# FX Math Solver vs PocketCAS

The clearest difference is rating: PocketCAS at 4.6 against FX Math Solver's 3.9. PocketCAS also leads on review sentiment (91% vs 60%) and monetization model (free vs free with in-app purchases). FX Math Solver's advantage is iOS requirement (11.0 vs 18.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PocketCAS holds the better App Store score, 4.6 against 3.9. Both are backed by a comparable volume of ratings — 86 and 204 respectively. Written reviews point the same way: 60% of FX Math Solver's written reviews are positive against 91% of PocketCAS's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | FX Math Solver | PocketCAS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (86 ratings)](https://appshunter.io/ios/app/fx-math-solver/id493941470/reviews) | **[4.6 (204 ratings)](https://appshunter.io/ios/app/pocketcas-graphing-calculator/id517249689/reviews)** |
| Number of ratings | 86 | **204** |
| Positive reviews | 60.4% of reviews | **90.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 40 MB | 42 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Euclidus Inc](https://appshunter.io/developer/490623202) | [Timing Software GmbH](https://appshunter.io/developer/333261118) |

## What reviewers say

### FX Math Solver

[App page](https://appshunter.io/ios/app/fx-math-solver/id493941470)

Solve math homework and textbook problems with this comprehensive solver. It offers animated step-by-step solutions for a wide range of math topics, from basic operations to calculus. Includes a scientific and graphing calculator.

**Highlights:** Animated step-by-step solutions, Scientific calculator, Graphing calculator, Automatic problem solving, Math problem expression editor, Covers Pre-Algebra to Calculus

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive step-by-step problem solving
- 🎓 Excellent educational tool for learning math
- ✅ Accurate solutions and calculations
- 🎨 Visual animations showing solution process
- 👍 User-friendly interface and easy to navigate

**What reviewers complain about**

- 💸 Aggressive premium paywall and limited free trial
- 🐛 Frequent crashes and app instability
- ⚠️ Incorrect calculations (e.g., multiplication by zero)
- 🚫 Cannot solve many user-entered problems
- 🔌 Server connectivity and lag issues

**Reported bugs**

- Multiplication by zero returns incorrect result
- App crashes when entering certain problems
- Cannot delete app from device
- Keyboard disappears while typing
- Order of operations not followed correctly

**Requested features**

- Camera feature to scan math problems
- Support for more advanced topics (vectors, differential equations, series)
- Percent key on keyboard
- Negative number input without using subtraction
- Summation notation support


### 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:** 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 FX Math Solver free?

FX Math Solver is free to download, with no in-app purchases.

### Is PocketCAS free?

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

### Which has better reviews, FX Math Solver or PocketCAS?

PocketCAS is rated higher. FX Math Solver averages 3.9 out of 5 from 86 ratings, while PocketCAS averages 4.6 from 204 ratings.

### Do FX Math Solver or PocketCAS have ads?

Neither FX Math Solver nor PocketCAS shows ads.

### Which is updated more often, FX Math Solver or PocketCAS?

FX Math Solver ships an update every 3 months, and PocketCAS every 3 months. Most recently, FX Math Solver was updated on October 15, 2026 and PocketCAS 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.*