# AWS Solutions Architect Prep vs CertAI

The clearest difference is update cadence: AWS Solutions Architect Prep at every 11 days against CertAI's every 3 weeks. AWS Solutions Architect Prep also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. AWS Solutions Architect Prep sells 2 one-off in-app purchases and CertAI sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

AWS Solutions Architect Prep ships an update every 11 days, CertAI every 3 weeks. The most recent releases landed on October 28, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AWS Solutions Architect Prep | CertAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 45 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EXAMCERT PTY LTD](https://appshunter.io/developer/1830664214) | [JunSoft Mobile Inc.](https://appshunter.io/developer/338527432) |

## What reviewers say

### AWS Solutions Architect Prep

[App page](https://appshunter.io/ios/app/aws-solutions-architect-prep/id6756201048)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Mibbi Credits | $1.99 | one-time |
| Premium Unlock | $5.99 | one-time |


### CertAI

[App page](https://appshunter.io/ios/app/certai-aws-comptia-exam-prep/id6760124211)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CertAI Pro Monthly | $19.99 | per month |
| CertAI Pro Yearly | $140.99 | per year |


## Frequently asked questions

### Is AWS Solutions Architect Prep free?

AWS Solutions Architect Prep is free to download, with in-app purchases available.

### Is CertAI free?

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

### Do AWS Solutions Architect Prep or CertAI have ads?

Neither AWS Solutions Architect Prep nor CertAI shows ads.

### Which is updated more often, AWS Solutions Architect Prep or CertAI?

AWS Solutions Architect Prep ships an update every 11 days, and CertAI every 3 weeks. Most recently, AWS Solutions Architect Prep was updated on October 28, 2026 and CertAI on October 10, 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.*