# ML_Engineering vs Enlighten

The clearest difference is ads: ML_Engineering at none against Enlighten's shown. ML_Engineering also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ML_Engineering sells 1 in-app purchase, starting at $1.99 per month and Enlighten sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ML_Engineering ships an update every 3 weeks, Enlighten every 2 weeks. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | ML_Engineering | Enlighten |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/enlighten-swipe-and-learn/id6790914531/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 5 MB | 64 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) | [Legasci Creations](https://appshunter.io/developer/1190122893) |

## What reviewers say

### ML_Engineering

[App page](https://appshunter.io/ios/app/ml-engineering/id6789723889)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ML_Engineering Pro | $1.99 | per month |


### Enlighten

[App page](https://appshunter.io/ios/app/enlighten-swipe-and-learn/id6790914531)

Learn tech skills like AI, Python, and SQL through bite-sized flashcards. Each card explains a concept, provides code examples, and includes a quick quiz. Spaced repetition ensures long-term retention of learned material.

**Highlights:** Bite-sized flashcards, Real code examples, Quick quizzes, Spaced repetition review, 32 learning roadmaps, 3,900+ learning cards

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enlighten Pro (Monthly) | $5.99 | per month |
| Enlighten Pro (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is ML_Engineering free?

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

### Is Enlighten free?

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

### Do ML_Engineering or Enlighten have ads?

Enlighten shows ads; ML_Engineering does not.

### Which is updated more often, ML_Engineering or Enlighten?

ML_Engineering ships an update every 3 weeks, and Enlighten every 2 weeks. Most recently, ML_Engineering was updated on October 9, 2026 and Enlighten on October 4, 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.*