# clf02 vs Certly

The clearest difference is in-app purchases: clf02 at none against Certly's 1. clf02 also leads on update cadence (every 11 days vs every 2 months) and device support (3 vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Certly sells 1 one-off in-app purchase. clf02 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for clf02 against 5.0 for Certly. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

clf02 ships an update every 11 days, Certly every 2 months. The most recent releases landed on June 4, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | clf02 | Certly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/clf02/id6759294130/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/certly-ai-certification-prep/id6760678168/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 48 MB | 11 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [rdvxsoftware LLC](https://appshunter.io/developer/1743152281) | [Gabriel Pevide](https://appshunter.io/developer/1868143046) |

## What reviewers say

### clf02

[App page](https://appshunter.io/ios/app/clf02/id6759294130)

Prepare for the AWS Certified Cloud Practitioner exam with interactive quizzes and study modes. Track your progress, identify weak areas, and practice offline. Features include timed quizzes, mock exams, and achievements to keep you motivated.

**Highlights:** Practice by topic, Learn Mode with short lessons, Study Mode for topic review, Timed Quiz Mode, Mock Exam simulation, Progress tracking, Offline practice

**Features:** macOS Compatibility

**In-app purchases:** none


### Certly

[App page](https://appshunter.io/ios/app/certly-ai-certification-prep/id6760678168)

Prepare for AI Architect certification exams with AI-powered study tools. Practice with realistic simulations, detailed explanations, and smart review features. Master key domains and build confidence before test day.

**Highlights:** AI-powered prompt writing drills, Study by specific AI domains, Realistic exam simulations, Detailed answer explanations, Spaced repetition review, Daily challenges and streaks, Quick study mode

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is clf02 free?

clf02 is free to download, with no in-app purchases.

### Is Certly free?

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

### Which has better reviews, clf02 or Certly?

clf02 and Certly are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do clf02 or Certly have ads?

Both clf02 and Certly show ads.

### Which is updated more often, clf02 or Certly?

clf02 ships an update every 11 days, and Certly every 2 months. Most recently, clf02 was updated on June 4, 2026 and Certly on September 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.*