# SAA vs SOLID Architecture

The clearest difference is update cadence: SOLID Architecture at every 9 days against SAA's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SAA sells 4 in-app purchases, starting at $7.99 per month and SOLID Architecture sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SAA ships an update every 5 weeks, SOLID Architecture every 9 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | SAA | SOLID Architecture |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 85 MB | 103 MB |
| Requires iOS | 15.0 | 15.0 |
| 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

### SAA

[App page](https://appshunter.io/ios/app/saa-c03-exam-pass/id6752863930)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 Month | $7.99 | per month |
| Premium 3 Months | $14.99 | per 3 months |
| Premium 12 Months | $29.99 | per 6 months |
| Premium 12 Months | $49.99 | 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 SAA free?

SAA 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 SAA or SOLID Architecture have ads?

Neither SAA nor SOLID Architecture shows ads.

### Which is updated more often, SAA or SOLID Architecture?

SAA ships an update every 5 weeks, and SOLID Architecture every 9 days. Most recently, SAA was updated on November 12, 2026 and SOLID Architecture on November 9, 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.*