# Data Engineer Cert Prep vs MB

The clearest difference is update cadence: MB at every 5 weeks against Data Engineer Cert Prep's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Data Engineer Cert Prep ships an update every 13 months, MB every 5 weeks. The most recent releases landed on October 25, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Data Engineer Cert Prep | MB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 weeks** |
| Size | 1 MB | 30 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DjamgaTech Corp](https://appshunter.io/developer/969000181) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Data Engineer Cert Prep

[App page](https://appshunter.io/ios/app/data-engineer-cert-prep/id6566170013)

**Features:** Vision Pro support

**In-app purchases:** none


### MB

[App page](https://appshunter.io/ios/app/mb-700-dynamics-f-and-o-architect/id6754162648)

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

**In-app purchases:** none


## Frequently asked questions

### Is Data Engineer Cert Prep free?

Data Engineer Cert Prep is free to download, with no in-app purchases.

### Is MB free?

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

### Do Data Engineer Cert Prep or MB have ads?

Neither Data Engineer Cert Prep nor MB shows ads.

### Which is updated more often, Data Engineer Cert Prep or MB?

Data Engineer Cert Prep ships an update every 13 months, and MB every 5 weeks. Most recently, Data Engineer Cert Prep was updated on October 25, 2026 and MB on September 25, 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.*