# Certs365 vs AI Knowledge Test

The clearest difference is in-app purchases: Certs365 at none against AI Knowledge Test's 2. Certs365 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.2). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. AI Knowledge Test sells 2 in-app purchases, starting at $14.99 per month. Certs365 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Certs365 against 5.0 for AI Knowledge Test. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Certs365 ships an update every 4 months, AI Knowledge Test every 2 months. The most recent releases landed on June 5, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Certs365 | AI Knowledge Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/certs365/id6499526126/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/ai-knowledge-test/id6740738555/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 9 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SARDER, INC.](https://appshunter.io/developer/1743787526) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### Certs365

[App page](https://appshunter.io/ios/app/certs365/id6499526126)

This platform uses blockchain technology to securely manage and verify certificates and credentials. It offers a Universal Verifier with unique QR codes for instant authenticity checks, and an Issuer platform for organizations to manage their own branded certificates.

**Highlights:** Blockchain-based document security, Universal Verifier with QR codes, Issuer platform for organizations, Two-Factor Authentication, Customizable branding options, Web3 integration

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Certs365 free?

Certs365 is free to download, with no in-app purchases.

### Is AI Knowledge Test free?

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

### Which has better reviews, Certs365 or AI Knowledge Test?

Certs365 and AI Knowledge Test are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Certs365 or AI Knowledge Test have ads?

Neither Certs365 nor AI Knowledge Test shows ads.

### Which is updated more often, Certs365 or AI Knowledge Test?

Certs365 ships an update every 4 months, and AI Knowledge Test every 2 months. Most recently, Certs365 was updated on June 5, 2026 and AI Knowledge Test on June 4, 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.*