# Ace AWS ML Engineer Associate vs USMLE Pro

The clearest difference is price: Ace AWS ML Engineer Associate at Free against USMLE Pro's $24.99. USMLE Pro's advantage is update cadence (every 3 weeks vs every 55 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Ace AWS ML Engineer Associate is free to download; USMLE Pro costs $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ace AWS ML Engineer Associate ships an update every 55 months, USMLE Pro every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ace AWS ML Engineer Associate | USMLE Pro |
| --- | --- | --- |
| Price | **Free** | $24.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 3 weeks** |
| Size | 1 MB | 33 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DjamgaTech Corp](https://appshunter.io/developer/969000181) | [Eyyup Taskin](https://appshunter.io/developer/1462950281) |

## What reviewers say

### Ace AWS ML Engineer Associate

[App page](https://appshunter.io/ios/app/ace-aws-ml-engineer-associate/id1611600527)

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

**In-app purchases:** none


### USMLE Pro

[App page](https://appshunter.io/ios/app/usmle-pro-step-2-ck-and-step-3/id6468001541)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ace AWS ML Engineer Associate free?

Ace AWS ML Engineer Associate is free to download, with no in-app purchases.

### Is USMLE Pro free?

USMLE Pro costs $24.99, with no in-app purchases.

### Do Ace AWS ML Engineer Associate or USMLE Pro have ads?

Neither Ace AWS ML Engineer Associate nor USMLE Pro shows ads.

### Which is updated more often, Ace AWS ML Engineer Associate or USMLE Pro?

Ace AWS ML Engineer Associate ships an update every 55 months, and USMLE Pro every 3 weeks. Most recently, Ace AWS ML Engineer Associate was updated on October 27, 2026 and USMLE Pro on October 25, 2026.

---

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