# AI Knowledge Test vs AI Certify

The clearest difference is update cadence: AI Certify at every 3 weeks against AI Knowledge Test's every 2 months. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. AI Knowledge Test sells 2 in-app purchases, starting at $14.99 per month and AI Certify sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for AI Knowledge Test against 5.0 for AI Certify. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

AI Knowledge Test ships an update every 2 months, AI Certify every 3 weeks. The most recent releases landed on June 4, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | AI Knowledge Test | AI Certify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ai-knowledge-test/id6740738555/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ai-certify/id6742496389/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 9 MB | 6 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [APPCITY Limited Liability Company](https://appshunter.io/developer/1534242389) |

## What reviewers say

### AI Knowledge Test

[App page](https://appshunter.io/ios/app/ai-knowledge-test/id6740738555)

Prepare for a career in Artificial Intelligence with practice tests covering machine learning, deep learning, and AI ethics. Get detailed explanations for each answer and track your progress to master AI concepts.

**Highlights:** Comprehensive AI test bank, Insightful explanations for answers, Progress tracking and real-time feedback, Customizable quizzes by AI topic, Offline access to practice tests

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $14.99 | per month |
| Lifetime version | $29.99 | one-time |


### AI Certify

[App page](https://appshunter.io/ios/app/ai-certify/id6742496389)

Prepare for professional certifications with AI-powered practice tests and personalized study materials. Track your progress, focus on weak areas, and study offline. Offers a premium, ad-free experience for IT, cloud, and business professionals.

**Highlights:** AI-powered practice tests, Personalized learning paths, Smart progress tracking, Offline access, Detailed answer explanations, Continuously updated question bank

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |


## Frequently asked questions

### Is AI Knowledge Test free?

AI Knowledge Test is free to download, with in-app purchases available.

### Is AI Certify free?

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

### Which has better reviews, AI Knowledge Test or AI Certify?

AI Knowledge Test and AI Certify are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do AI Knowledge Test or AI Certify have ads?

Neither AI Knowledge Test nor AI Certify shows ads.

### Which is updated more often, AI Knowledge Test or AI Certify?

AI Knowledge Test ships an update every 2 months, and AI Certify every 3 weeks. Most recently, AI Knowledge Test was updated on June 4, 2026 and AI Certify on September 14, 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.*