# Learn to Code with Erlang vs ProMuse

The clearest difference is price: ProMuse at Free against Learn to Code with Erlang's $3.99. Learn to Code with Erlang's advantage is in-app purchases (none vs 2) and update cadence (every 6 days vs every 3 weeks). On ads there is nothing between them.

ProMuse is free to download; Learn to Code with Erlang costs $3.99 up front. ProMuse sells 2 in-app purchases, starting at $9.99 per 7 days. Learn to Code with Erlang asks for nothing beyond the download.

Learn to Code with Erlang ships an update every 6 days, ProMuse every 3 weeks. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Learn to Code with Erlang | ProMuse |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[3.7 (18 ratings)](https://appshunter.io/ios/app/promuse-ai-certificates/id6758344656/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 78.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | — | Subscription |
| Size | 48 MB | 68 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [Shahbaz Khan](https://appshunter.io/developer/1479963383) | [Aignite Inc.](https://appshunter.io/developer/1753704094) |

## What reviewers say

### Learn to Code with Erlang

[App page](https://appshunter.io/ios/app/learn-to-code-with-erlang/id6752514017)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProMuse

[App page](https://appshunter.io/ios/app/promuse-ai-certificates/id6758344656)

Acquire practical AI skills through structured lessons and earn shareable certificates. This app provides guided learning paths, hands-on practice, and progress tracking to help you master AI tools for various professional applications.

**Highlights:** Structured learning paths, Practical AI application, Certificate-based learning, Practice-focused lessons, Progress tracking across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly subscription | $9.99 | per 7 days |
| Premium Monthly subscription | $29.99 | per month |


## Frequently asked questions

### Is Learn to Code with Erlang free?

Learn to Code with Erlang costs $3.99, with no in-app purchases.

### Is ProMuse free?

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

### Do Learn to Code with Erlang or ProMuse have ads?

Neither Learn to Code with Erlang nor ProMuse shows ads.

### Which is updated more often, Learn to Code with Erlang or ProMuse?

Learn to Code with Erlang ships an update every 6 days, and ProMuse every 3 weeks. Most recently, Learn to Code with Erlang was updated on October 30, 2026 and ProMuse on November 9, 2026.

---

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