# Learn Erlang Programming vs oto

The clearest difference is price: oto at Free against Learn Erlang Programming's $1.99. Learn Erlang Programming's advantage is device support and iOS requirement (13.0 vs 18.5). On in-app purchases there is nothing between them.

oto is free to download; Learn Erlang Programming costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Learn Erlang Programming | oto |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/learn-erlang-programming/id1634383128/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 24 months | — |
| Monetization | Paid | — |
| Size | 36 MB | 114 MB |
| Requires iOS | **13.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [Muhammad Mubeen](https://appshunter.io/developer/1553722821) | [Maciej Maroszek](https://appshunter.io/developer/1869737912) |

## What reviewers say

### Learn Erlang Programming

[App page](https://appshunter.io/ios/app/learn-erlang-programming/id1634383128)

Master the Erlang programming language to build highly available, scalable soft real-time systems. This app provides a solid understanding of Erlang's core concepts, including concurrency, distribution, and fault tolerance, essential for industries like telecoms and e-commerce.

**Highlights:** Understand Erlang programming language, Build scalable soft real-time systems, Learn about high availability, Explore concurrency and distribution, Grasp fault tolerance concepts, Study functional programming principles

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

**In-app purchases:** none


### oto

[App page](https://appshunter.io/ios/app/oto-polski/id6759810194)

**In-app purchases:** none


## Frequently asked questions

### Is Learn Erlang Programming free?

Learn Erlang Programming costs $1.99, with no in-app purchases.

### Is oto free?

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

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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.*