# ML_Engineering vs Iterum

The clearest difference is update cadence: Iterum at every 3 days against ML_Engineering's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ML_Engineering sells 1 in-app purchase, starting at $1.99 per month and Iterum sells 1 in-app purchase, starting at $34.99 per year. Whichever you choose, the download price is not the number that matters.

ML_Engineering ships an update every 3 weeks, Iterum every 3 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ML_Engineering | Iterum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 5 MB | 77 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) | [Kseniia Snitko](https://appshunter.io/developer/6789907090) |

## 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 |


### Iterum

[App page](https://appshunter.io/ios/app/iterum-words-in-context/id6789907088)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $34.99 | per year |


## Frequently asked questions

### Is ML_Engineering free?

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

### Is Iterum free?

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

### Do ML_Engineering or Iterum have ads?

Neither ML_Engineering nor Iterum shows ads.

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

ML_Engineering ships an update every 3 weeks, and Iterum every 3 days. Most recently, ML_Engineering was updated on October 9, 2026 and Iterum on October 14, 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.*