# SIMO vs Slopes

The clearest difference is price: Slopes at Free against SIMO's $4.99. Slopes also leads on rating (4.9 vs 4.2) and review sentiment (100% vs 58%). SIMO's advantage is update cadence (every 3 weeks vs every 2 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Slopes is free to download; SIMO costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Slopes holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 55 and 41 respectively. Written reviews point the same way: 58% of SIMO's written reviews are positive against 100% of Slopes's.

SIMO ships an update every 3 weeks, Slopes every 2 months. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | SIMO | Slopes |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.2 (55 ratings)](https://appshunter.io/ios/app/simo-matlab-programming-app/id932694386/reviews) | **[4.9 (41 ratings)](https://appshunter.io/ios/app/slopes-differential-equations/id1136920301/reviews)** |
| Number of ratings | **55** | 41 |
| Positive reviews | 58.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | **Free** |
| Size | 61 MB | 21 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Numerical Co.](https://appshunter.io/developer/1128647431) | [Tim Lucas](https://appshunter.io/developer/1136916670) |

## What reviewers say

### 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


### Slopes

[App page](https://appshunter.io/ios/app/slopes-differential-equations/id1136920301)

Explore graphical solutions to ordinary differential equations with this interactive educational tool. It offers six distinct activities, including plotting vector fields, solving systems of equations, and visualizing oscillations. Ideal for homework, classroom use, or research projects.

**Highlights:** Interactive ODE exploration, Vector field plotting, Systems of equations solver, Numerical approximation methods, Bifurcation diagram creation, Preloaded and custom examples

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIMO free?

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

### Is Slopes free?

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

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

Slopes is rated higher. SIMO averages 4.2 out of 5 from 55 ratings, while Slopes averages 4.9 from 41 ratings.

### Do SIMO or Slopes have ads?

Neither SIMO nor Slopes shows ads.

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

SIMO ships an update every 3 weeks, and Slopes every 2 months. Most recently, SIMO was updated on September 29, 2026 and Slopes on September 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.*