# Perry vs ML_Engineering

The clearest difference is iOS requirement: Perry at 15.1 against ML_Engineering's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Perry 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.

## The numbers

| Metric | Perry | ML_Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 71 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Osama CHAUDHRY](https://appshunter.io/developer/1030358805) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### Perry

[App page](https://appshunter.io/ios/app/perry-ap-coach/id6764614405)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $9.99 | 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 Perry free?

Perry 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 Perry or ML_Engineering have ads?

Neither Perry nor ML_Engineering shows ads.

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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.*