# Grammarific vs Data_Engineering

The clearest difference is iOS requirement: Grammarific at 14.0 against Data_Engineering's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Grammarific sells 2 in-app purchases, starting at $4.99 per month and Data_Engineering sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Grammarific | Data_Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 34 MB | 5 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Pronunciator LLC](https://appshunter.io/developer/520228857) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### Grammarific

[App page](https://appshunter.io/ios/app/grammarific-korean-grammar/id6478163347)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription (1 Month) | $4.99 | per month |
| Premium Subscription (1 Year) | $49.99 | per year |


### Data_Engineering

[App page](https://appshunter.io/ios/app/data-engineering/id6789652750)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Data_Engineering Pro | $1.99 | per month |


## Frequently asked questions

### Is Grammarific free?

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

### Is Data_Engineering free?

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

### Do Grammarific or Data_Engineering have ads?

Neither Grammarific nor Data_Engineering 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.*