# Certification Prep Pro vs Options Trading Knowledge Test

The clearest difference is in-app purchases: Certification Prep Pro at none against Options Trading Knowledge Test's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Options Trading Knowledge Test sells 2 in-app purchases, starting at $11.99 per month. Certification Prep Pro asks for nothing beyond the download.

## The numbers

| Metric | Certification Prep Pro | Options Trading Knowledge Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 17 MB | 9 MB |
| Requires iOS | 17.5 | **17.2** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Coffeedevs LLC](https://appshunter.io/developer/1793357959) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### Certification Prep Pro

[App page](https://appshunter.io/ios/app/certification-prep-pro/id6741158449)

**Features:** macOS Compatibility

**In-app purchases:** none


### Options Trading Knowledge Test

[App page](https://appshunter.io/ios/app/options-trading-knowledge-test/id6741455878)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $11.99 | per month |
| Lifetime version | $24.99 | one-time |


## Frequently asked questions

### Is Certification Prep Pro free?

Certification Prep Pro is free to download, with no in-app purchases.

### Is Options Trading Knowledge Test free?

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

### Do Certification Prep Pro or Options Trading Knowledge Test have ads?

Neither Certification Prep Pro nor Options Trading Knowledge Test shows ads.

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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.*