# Gibble AI vs CertAPro

The clearest difference is iOS requirement: CertAPro at 13.0 against Gibble AI's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Gibble AI sells 1 in-app purchase, starting at $9.99 per month and CertAPro sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Gibble AI ships an update every 3 weeks, CertAPro every 4 weeks. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Gibble AI | CertAPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/certapro/id6757397759/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 43 MB | 55 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zeti LLC](https://appshunter.io/developer/1491204826) | [BLK Technologies](https://appshunter.io/developer/1736804620) |

## What reviewers say

### Gibble AI

[App page](https://appshunter.io/ios/app/gibble-ai/id6756399558)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gibble Premium (Gibble) | $9.99 | per month |


### CertAPro

[App page](https://appshunter.io/ios/app/certapro/id6757397759)

Prepare for IT certifications with a mobile-first study platform. It offers personalized study plans, custom quizzes, detailed analytics, and explanations for correct and incorrect answers. Track progress and stay motivated with gamified achievements.

**Highlights:** Personalized study roadmaps, Customizable practice quizzes, Detailed performance analytics, Explanations for answers, Cross-device progress sync, Gamified motivation and achievements

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CertAPro Premium | $8.99 | per month |
| CertAPro Premium | $89.99 | per year |


## Frequently asked questions

### Is Gibble AI free?

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

### Is CertAPro free?

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

### Do Gibble AI or CertAPro have ads?

Neither Gibble AI nor CertAPro shows ads.

### Which is updated more often, Gibble AI or CertAPro?

Gibble AI ships an update every 3 weeks, and CertAPro every 4 weeks. Most recently, Gibble AI was updated on October 6, 2026 and CertAPro on October 8, 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.*