# Learn DBMS vs D426 Mastery

The clearest difference is iOS requirement: Learn DBMS at 15.1 against D426 Mastery's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Learn DBMS sells 1 one-off in-app purchase and D426 Mastery sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Learn DBMS | D426 Mastery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | — |
| Size | 28 MB | 4 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) | [JOHN TIMOTHY DISALLE](https://appshunter.io/developer/1886538582) |

## What reviewers say

### Learn DBMS

[App page](https://appshunter.io/ios/app/learn-dbms/id6446442808)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### D426 Mastery

[App page](https://appshunter.io/ios/app/d426-mastery/id6761743682)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $7.99 | per month |
| Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is Learn DBMS free?

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

### Is D426 Mastery free?

D426 Mastery is free to download, with in-app purchases available.

### Do Learn DBMS or D426 Mastery have ads?

Neither Learn DBMS nor D426 Mastery 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.*