# MathStudio Express vs iDroidSim

The clearest difference is review sentiment: iDroidSim at 100% against MathStudio Express's 68%. MathStudio Express's advantage is update cadence (monthly vs every 8 months) and price ($4.99 vs $9.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

MathStudio Express costs $4.99 and iDroidSim $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MathStudio Express ships an update monthly, iDroidSim every 8 months. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MathStudio Express | iDroidSim |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[4.5 (110 ratings)](https://appshunter.io/ios/app/mathstudio-express/id439121011/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 68.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Monetization | Paid | Paid |
| Size | 4 MB | 61 MB |
| Requires iOS | **11.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Pomegranate Apps LLC](https://appshunter.io/developer/293619496) | [Vladimir Djokic](https://appshunter.io/developer/1483350231) |

## 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


### iDroidSim

[App page](https://appshunter.io/ios/app/idroidsim/id6471349087)

This powerful circuit simulator is designed for students, hobbyists, and professionals to perform electronics circuit design calculations. It offers interactive simulation of various components and complex circuits, providing accurate results for analysis and design.

**Highlights:** Circuit simulation for electronics design, Supports a wide range of electronic components, Interactive analysis of resistive and non-linear circuits, Numeric integration for reactive elements, Tools like oscilloscopes and digital logic gates, Suitable for students and professionals

**In-app purchases:** none


## Frequently asked questions

### Is MathStudio Express free?

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

### Is iDroidSim free?

iDroidSim costs $9.99, with no in-app purchases.

### Do MathStudio Express or iDroidSim have ads?

Neither MathStudio Express nor iDroidSim shows ads.

### Which is updated more often, MathStudio Express or iDroidSim?

MathStudio Express ships an update monthly, and iDroidSim every 8 months. Most recently, MathStudio Express was updated on October 2, 2026 and iDroidSim on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*