# 문어 CBT vs GCP Machine Learning Engineer

The clearest difference is in-app purchases: 문어 CBT at none against GCP Machine Learning Engineer's 1. GCP Machine Learning Engineer's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. GCP Machine Learning Engineer sells 1 one-off in-app purchase. 문어 CBT asks for nothing beyond the download.

문어 CBT ships an update every 6 days, GCP Machine Learning Engineer every 10 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 문어 CBT | GCP Machine Learning Engineer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 90 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [mooneolab](https://appshunter.io/developer/1896763449) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### 문어 CBT

[App page](https://appshunter.io/ios/app/cbt/id6770780669)

This app provides practice questions and mock exams for IT certification candidates. It offers a comprehensive learning path from problem-solving to reviewing incorrect answers and tracking progress, all in one place. It supports various IT certifications like SQLD, ADsP, and Information Processing.

**Highlights:** Practice past exam questions, Simulate real CBT exams, Quick OX quizzes for concept review, Automatic incorrect answer notebook, Learning dashboard with progress tracking, Supports SQLD, ADsP, Information Processing

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

**In-app purchases:** none


### GCP Machine Learning Engineer

[App page](https://appshunter.io/ios/app/gcp-machine-learning-engineer/id6785744238)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.90 | one-time |


## Frequently asked questions

### Is 문어 CBT free?

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

### Is GCP Machine Learning Engineer free?

GCP Machine Learning Engineer is free to download, with in-app purchases available.

### Do 문어 CBT or GCP Machine Learning Engineer have ads?

Neither 문어 CBT nor GCP Machine Learning Engineer shows ads.

### Which is updated more often, 문어 CBT or GCP Machine Learning Engineer?

문어 CBT ships an update every 6 days, and GCP Machine Learning Engineer every 10 days. Most recently, 문어 CBT was updated on October 7, 2026 and GCP Machine Learning Engineer 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.*