# AWS Machine Learning Exam vs SF Dictionary

The clearest difference is in-app purchases: SF Dictionary at none against AWS Machine Learning Exam's 3. SF Dictionary also leads on update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AWS Machine Learning Exam sells 3 in-app purchases, starting at $1.99 per 7 days. SF Dictionary asks for nothing beyond the download.

AWS Machine Learning Exam ships an update every 2 months, SF Dictionary monthly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AWS Machine Learning Exam | SF Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Size | 83 MB | 34 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koray Salman](https://appshunter.io/developer/1629681839) | [KineticBit Inc.](https://appshunter.io/developer/1886255149) |

## What reviewers say

### AWS Machine Learning Exam

[App page](https://appshunter.io/ios/app/aws-machine-learning-exam/id6742186899)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription - Weekly | $1.99 | per 7 days |
| Subscription - Monthly | $5.99 | per month |
| Subscription - Yearly | $29.99 | per year |


### SF Dictionary

[App page](https://appshunter.io/ios/app/sf-dictionary-cert-exam-prep/id6760790517)

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

**In-app purchases:** none


## Frequently asked questions

### Is AWS Machine Learning Exam free?

AWS Machine Learning Exam is free to download, with in-app purchases available.

### Is SF Dictionary free?

SF Dictionary is free to download, with no in-app purchases.

### Do AWS Machine Learning Exam or SF Dictionary have ads?

Both AWS Machine Learning Exam and SF Dictionary show ads.

### Which is updated more often, AWS Machine Learning Exam or SF Dictionary?

AWS Machine Learning Exam ships an update every 2 months, and SF Dictionary monthly. Most recently, AWS Machine Learning Exam was updated on October 28, 2026 and SF Dictionary 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.*