# CertAI vs AWS AI Practitioner Exam Prep

The clearest difference is update cadence: AWS AI Practitioner Exam Prep at every 9 days against CertAI's every 3 weeks. AWS AI Practitioner Exam 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. CertAI sells 2 in-app purchases, starting at $19.99 per month and AWS AI Practitioner Exam Prep sells 4 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CertAI ships an update every 3 weeks, AWS AI Practitioner Exam Prep every 9 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CertAI | AWS AI Practitioner Exam Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aws-ai-practitioner-exam-prep/id6760554384/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 27 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JunSoft Mobile Inc.](https://appshunter.io/developer/338527432) | [Anthony Perry](https://appshunter.io/developer/1874405012) |

## What reviewers say

### 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 |


### AWS AI Practitioner Exam Prep

[App page](https://appshunter.io/ios/app/aws-ai-practitioner-exam-prep/id6760554384)

Prepare for the AWS Certified AI Practitioner exam with a comprehensive platform. It uses cognitive science techniques like spaced repetition and confidence calibration to tailor your study. Unlock all features and content with a Pro subscription for guaranteed readiness.

**Highlights:** Cognitive science-based learning, Confidence calibration, Spaced repetition, Progressive difficulty levels, 2,700+ practice questions, 221 study materials, 7 study modes

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AWS AIP Pro Weekly | $6.99 | per 7 days |
| AWS AIP Pro Monthly | $12.99 | per month |
| AWS AIP Pro Annual | $34.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is CertAI free?

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

### Is AWS AI Practitioner Exam Prep free?

AWS AI Practitioner Exam Prep is free to download, with in-app purchases available.

### Do CertAI or AWS AI Practitioner Exam Prep have ads?

Neither CertAI nor AWS AI Practitioner Exam Prep shows ads.

### Which is updated more often, CertAI or AWS AI Practitioner Exam Prep?

CertAI ships an update every 3 weeks, and AWS AI Practitioner Exam Prep every 9 days. Most recently, CertAI was updated on October 28, 2026 and AWS AI Practitioner Exam Prep 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.*