# BI Data Hero vs Learn SQL

The clearest difference is iOS requirement: Learn SQL at 15.0 against BI Data Hero's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BI Data Hero sells 2 in-app purchases, starting at $3.99 per month and Learn SQL sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | BI Data Hero | Learn SQL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 265 MB | 135 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Stephane de Barbanson](https://appshunter.io/developer/1876500326) | [Centum Studios Ltd](https://appshunter.io/developer/6799281779) |

## What reviewers say

### BI Data Hero

[App page](https://appshunter.io/ios/app/bi-data-hero/id6762004619)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BI Data Hero | $3.99 | per month |
| Full Access | $3.99 | one-time |


### Learn SQL

[App page](https://appshunter.io/ios/app/learn-sql-sql-case-files/id6799281777)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support SQL Case Files | $5.00 | one-time |


## Frequently asked questions

### Is BI Data Hero free?

BI Data Hero is free to download, with in-app purchases available.

### Is Learn SQL free?

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

### Do BI Data Hero or Learn SQL have ads?

Neither BI Data Hero nor Learn SQL 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.*