# Machine Learning Engineer Prep vs ML_Engineering

The clearest difference is iOS requirement: Machine Learning Engineer Prep at 15.1 against ML_Engineering's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Machine Learning Engineer Prep sells 1 one-off in-app purchase and ML_Engineering sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Machine Learning Engineer Prep ships an update every 10 days, ML_Engineering every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Machine Learning Engineer Prep | ML_Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 98 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### Machine Learning Engineer Prep

[App page](https://appshunter.io/ios/app/machine-learning-engineer-prep/id6785744238)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is Machine Learning Engineer Prep free?

Machine Learning Engineer Prep is free to download, with in-app purchases available.

### Is ML_Engineering free?

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

### Do Machine Learning Engineer Prep or ML_Engineering have ads?

Neither Machine Learning Engineer Prep nor ML_Engineering shows ads.

### Which is updated more often, Machine Learning Engineer Prep or ML_Engineering?

Machine Learning Engineer Prep ships an update every 10 days, and ML_Engineering every 3 weeks. Most recently, Machine Learning Engineer Prep was updated on October 28, 2026 and ML_Engineering on October 25, 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.*