# LaTeXBoard vs Sigmakey

The clearest difference is in-app purchases: LaTeXBoard at none against Sigmakey's 1. LaTeXBoard also leads on iOS requirement (16.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Sigmakey sells 1 one-off in-app purchase. LaTeXBoard asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 2.0 for LaTeXBoard against 2.0 for Sigmakey. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | LaTeXBoard | Sigmakey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (2 ratings)](https://appshunter.io/ios/app/latexboard/id6760079024/reviews) | [2.0 (1 ratings)](https://appshunter.io/ios/app/sigmakey-math-keyboard/id6788025133/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 13 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bugra Acemoglu](https://appshunter.io/developer/1698890249) | [Andrii Bashta](https://appshunter.io/developer/1547467775) |

## What reviewers say

### LaTeXBoard

[App page](https://appshunter.io/ios/app/latexboard/id6760079024)

This keyboard extension allows users to easily create and share complex mathematical formulas on mobile devices. It offers a native rendering engine for fast performance and exports formulas as high-quality PNG images, ideal for messaging and collaboration.

**Highlights:** Custom keyboard for math formulas, Native rendering engine, Instant PNG export, Professional math suite support, Memory efficient design

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

**In-app purchases:** none


### Sigmakey

[App page](https://appshunter.io/ios/app/sigmakey-math-keyboard/id6788025133)

This utility provides a specialized keyboard for typing mathematical expressions, including fractions, roots, and Greek letters, directly within any app. It supports LaTeX, Unicode, and image output, with on-device processing for privacy and speed.

**Highlights:** Full math keyboard layout, Two-dimensional cursor for exponents/numerators, Type LaTeX, Unicode, or rendered image, On-device typesetting, no network required, Symbol search, recent, and favorite symbols

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sigmakey Pro | $9.99 | one-time |


## Frequently asked questions

### Is LaTeXBoard free?

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

### Is Sigmakey free?

Sigmakey is free to download, with in-app purchases available.

### Which has better reviews, LaTeXBoard or Sigmakey?

LaTeXBoard and Sigmakey are both rated 2.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do LaTeXBoard or Sigmakey have ads?

Neither LaTeXBoard nor Sigmakey 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.*