# Realyse® vs CDP Knowledge Test

The clearest difference is in-app purchases: Realyse® at none against CDP Knowledge Test's 2. Realyse® also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.2). On price, update cadence and ads there is nothing between them.

Both are free to download. CDP Knowledge Test sells 2 in-app purchases, starting at $11.99 per month. Realyse® asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Realyse® | CDP Knowledge Test |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 14 MB | 9 MB |
| Requires iOS | **9.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tapjet Limited](https://appshunter.io/developer/888381150) | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) |

## What reviewers say

### Realyse®

[App page](https://appshunter.io/ios/app/realyse/id1328726149)

**Features:** macOS Compatibility

**In-app purchases:** none


### CDP Knowledge Test

[App page](https://appshunter.io/ios/app/cdp-knowledge-test/id6740606245)

**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 Realyse® free?

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

### Is CDP Knowledge Test free?

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

### Do Realyse® or CDP Knowledge Test have ads?

Neither Realyse® nor CDP Knowledge Test shows ads.

### Which is updated more often, Realyse® or CDP Knowledge Test?

Realyse® ships an update every 3 months, and CDP Knowledge Test every 3 months. Most recently, Realyse® was updated on November 2, 2026 and CDP Knowledge Test on October 30, 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.*