# CSM ScrumMaster Prep Test vs MB

The clearest difference is device support: MB at 3 against CSM ScrumMaster Prep Test's 1. MB also leads on iOS requirement (15.0 vs 17.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CSM ScrumMaster Prep Test sells 2 in-app purchases, starting at $11.99 per month and MB sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CSM ScrumMaster Prep Test | MB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 9 MB | 26 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### CSM ScrumMaster Prep Test

[App page](https://appshunter.io/ios/app/csm-scrummaster-prep-test/id6740666118)

**Features:** macOS Compatibility

**In-app purchases (2)**

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


### MB

[App page](https://appshunter.io/ios/app/mb-910-dynamics-365-crm-prep/id6755226847)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $14.99 | per year |
| Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is CSM ScrumMaster Prep Test free?

CSM ScrumMaster Prep Test is free to download, with in-app purchases available.

### Is MB free?

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

### Do CSM ScrumMaster Prep Test or MB have ads?

Neither CSM ScrumMaster Prep Test nor MB shows ads.

### Which is updated more often, CSM ScrumMaster Prep Test or MB?

CSM ScrumMaster Prep Test ships an update every 3 months, and MB every 3 months. Most recently, CSM ScrumMaster Prep Test was updated on October 25, 2026 and MB on October 15, 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.*