# SIMO vs Salts in Chemistry

The clearest difference is update cadence: SIMO at every 3 weeks against Salts in Chemistry's every 33 months. Salts in Chemistry's advantage is price ($0.99 vs $4.99) and iOS requirement (12.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

SIMO costs $4.99 and Salts in Chemistry $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SIMO ships an update every 3 weeks, Salts in Chemistry every 33 months. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SIMO | Salts in Chemistry |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[4.2 (58 ratings)](https://appshunter.io/ios/app/simo-matlab-programming-app/id932694386/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 58.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 33 months |
| Monetization | Paid | — |
| Size | 61 MB | 34 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Numerical Co.](https://appshunter.io/developer/1128647431) | [www.ajaxmediatech.com](https://appshunter.io/developer/973768003) |

## 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


### Salts in Chemistry

[App page](https://appshunter.io/ios/app/salts-in-chemistry/id1187156720)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIMO free?

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

### Is Salts in Chemistry free?

Salts in Chemistry costs $0.99, with no in-app purchases.

### Do SIMO or Salts in Chemistry have ads?

Neither SIMO nor Salts in Chemistry shows ads.

### Which is updated more often, SIMO or Salts in Chemistry?

SIMO ships an update every 3 weeks, and Salts in Chemistry every 33 months. Most recently, SIMO was updated on October 21, 2026 and Salts in Chemistry on October 13, 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.*