# AI Knowledge Test vs GCP ML Engineer Prep 2026

The clearest difference is in-app purchases: GCP ML Engineer Prep 2026 at none against AI Knowledge Test's 2. GCP ML Engineer Prep 2026 also leads on update cadence (every 4 days vs every 2 months). AI Knowledge Test's advantage is ads (none vs shown) and iOS requirement (17.2 vs 26.0). On price and device support there is nothing between them.

Both are free to download. AI Knowledge Test sells 2 in-app purchases, starting at $14.99 per month. GCP ML Engineer Prep 2026 asks for nothing beyond the download.

AI Knowledge Test ships an update every 2 months, GCP ML Engineer Prep 2026 every 4 days. The most recent releases landed on June 4, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | AI Knowledge Test | GCP ML Engineer Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai-knowledge-test/id6740738555/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 16 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [SPIDER SERVICE SRL](https://appshunter.io/developer/1120210105) |

## 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 |


### GCP ML Engineer Prep 2026

[App page](https://appshunter.io/ios/app/gcp-ml-engineer-prep-2026/id6756066624)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI Knowledge Test free?

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

### Is GCP ML Engineer Prep 2026 free?

GCP ML Engineer Prep 2026 is free to download, with no in-app purchases.

### Do AI Knowledge Test or GCP ML Engineer Prep 2026 have ads?

GCP ML Engineer Prep 2026 shows ads; AI Knowledge Test does not.

### Which is updated more often, AI Knowledge Test or GCP ML Engineer Prep 2026?

AI Knowledge Test ships an update every 2 months, and GCP ML Engineer Prep 2026 every 4 days. Most recently, AI Knowledge Test was updated on June 4, 2026 and GCP ML Engineer Prep 2026 on September 11, 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.*