# MathStudio Express vs sigmoid neuron

The clearest difference is price: sigmoid neuron at Free against MathStudio Express's $4.99. MathStudio Express's advantage is iOS requirement (11.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

sigmoid neuron is free to download; MathStudio Express costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | MathStudio Express | sigmoid neuron |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (110 ratings)](https://appshunter.io/ios/app/mathstudio-express/id439121011/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 68.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Paid | — |
| Size | 4 MB | 5 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pomegranate Apps LLC](https://appshunter.io/developer/293619496) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### MathStudio Express

[App page](https://appshunter.io/ios/app/mathstudio-express/id439121011)

This advanced scientific calculator offers hundreds of mathematical functions for various subjects, from basic math to linear algebra. It excels at graphing complex equations and plotting numerical data with speed and accuracy. An indispensable tool for students, teachers, and engineers, it provides a modern and intuitive interface.

**Highlights:** Hundreds of mathematical functions, Symbolic graphing calculator, Graphing of various plot types, Numerical data plotting, Advanced regression analysis, Animated plots with T variable

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

**In-app purchases:** none

**What reviewers like**

- 🧮 Powerful mathematical computation engine
- 📊 Excellent 2D and 3D graphing capabilities
- 🎓 Comprehensive tutorials and documentation
- ⚡ Fast calculation speeds
- 🖥️ Works offline without internet required

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 😕 Unintuitive and confusing user interface
- 💸 Predatory pricing model with repeated purchases required
- 📉 Poor app maintenance and abandoned updates
- 🔄 Forced migrations between app versions

**Reported bugs**

- App crashes when accessing Julia and fractal features
- 3D plots disappear after extended use
- ANS button returns incorrect values
- Menu bar disappears unexpectedly
- Unable to recalculate plots after saving worksheets

**Requested features**

- Handwritten formula input capability
- Export graphs as standalone image files
- PDF export and file sharing functionality
- Textbook-style problem entry format
- Statistics functionality


### sigmoid neuron

[App page](https://appshunter.io/ios/app/sigmoid-neuron/id6740157799)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MathStudio Express free?

MathStudio Express costs $4.99, with no in-app purchases.

### Is sigmoid neuron free?

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

### Do MathStudio Express or sigmoid neuron have ads?

Neither MathStudio Express nor sigmoid neuron shows ads.

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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.*