# AWS Machine Learning Exam Pass vs SOLID Architecture

The clearest difference is update cadence: SOLID Architecture at every 9 days against AWS Machine Learning Exam Pass's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AWS Machine Learning Exam Pass sells 4 in-app purchases, starting at $9.99 per month and SOLID Architecture sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AWS Machine Learning Exam Pass ships an update every 2 months, SOLID Architecture every 9 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | AWS Machine Learning Exam Pass | SOLID Architecture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 78 MB | 94 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) | [Airton Siqueira de Freitas](https://appshunter.io/developer/1809776051) |

## What reviewers say

### AWS Machine Learning Exam Pass

[App page](https://appshunter.io/ios/app/aws-machine-learning-exam-pass/id6752863397)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month | $9.99 | per month |
| Premium 3 Months | $19.99 | per 3 months |
| Premium 6 Months | $34.99 | per 6 months |
| Premium 12 Months | $59.99 | per year |


### SOLID Architecture

[App page](https://appshunter.io/ios/app/solid-architecture/id6755614891)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CERTIFICATE OF COMPLETION | $2.99 | one-time |
| Premium access | $4.99 | one-time |
| FULL PASS ALL APPS | $17.99 | one-time |


## Frequently asked questions

### Is AWS Machine Learning Exam Pass free?

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

### Is SOLID Architecture free?

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

### Do AWS Machine Learning Exam Pass or SOLID Architecture have ads?

Neither AWS Machine Learning Exam Pass nor SOLID Architecture shows ads.

### Which is updated more often, AWS Machine Learning Exam Pass or SOLID Architecture?

AWS Machine Learning Exam Pass ships an update every 2 months, and SOLID Architecture every 9 days. Most recently, AWS Machine Learning Exam Pass was updated on October 4, 2026 and SOLID Architecture on October 6, 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.*