# AWS Cloud Practitioner Prep vs COF

The clearest difference is in-app purchases: COF at none against AWS Cloud Practitioner Prep's 5. COF also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. AWS Cloud Practitioner Prep sells 5 in-app purchases, starting at $6.99 per 7 days. COF asks for nothing beyond the download.

AWS Cloud Practitioner Prep ships an update every 2 months, COF every 4 months. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AWS Cloud Practitioner Prep | COF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (259 ratings)](https://appshunter.io/ios/app/aws-cloud-practitioner-prep/id1636473404/reviews)** | — |
| Number of ratings | **259** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 71 MB | 27 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thanh Hung](https://appshunter.io/developer/1059077329) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### AWS Cloud Practitioner Prep

[App page](https://appshunter.io/ios/app/aws-cloud-practitioner-prep/id1636473404)

Prepare for the AWS Cloud Practitioner Exam with comprehensive practice questions and mock tests. This app offers topic-based study, instant feedback, and a personalized study plan to help you master cloud concepts and skyrocket your knowledge.

**Highlights:** Comprehensive practice questions, Topic-based study categories, Versatile practice modes, Mock tests with instant feedback, Personalized study plan, 24/7 AI Study Assistant

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AWS CCP Subscription Weekly | $6.99 | per 7 days |
| AWS CCP Subscription Monthly | $19.99 | per month |
| AWS CP Quarterly Subscription | $39.99 | per 3 months |
| AWS CCP Subscription Yearly | $49.99 | per year |
| Pro Version | $9.99 | one-time |

**What reviewers like**

- 👍 Helpful for studying
- 👍 Great for practice questions
- 👍 Explanations aid understanding
- 👍 Convenient on-hand app
- 👍 Helps pass exams

**What reviewers complain about**

- 👎 Ineffective questions (compared to others)
- 👎 Questions/answers need updating
- 👎 Colorblindness issue with answer display
- 🐛 App broken for Apple users
- 🐛 Update prompt blocks app access

**Reported bugs**

- App blocked by update prompt for Apple users
- Glitch redirects to Google Play Store for upgrade
- Answers display identically for colorblind users

**Requested features**

- Improve color contrast for colorblind users
- Update outdated questions/answers


### COF

[App page](https://appshunter.io/ios/app/cof-c03-core-cert-prep/id6771498148)

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

**In-app purchases:** none


## Frequently asked questions

### Is AWS Cloud Practitioner Prep free?

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

### Is COF free?

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

### Do AWS Cloud Practitioner Prep or COF have ads?

AWS Cloud Practitioner Prep shows ads; COF does not.

### Which is updated more often, AWS Cloud Practitioner Prep or COF?

AWS Cloud Practitioner Prep ships an update every 2 months, and COF every 4 months. Most recently, AWS Cloud Practitioner Prep was updated on October 9, 2026 and COF on October 2, 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.*