# TopOpt Shape vs Grammarific

The clearest difference is in-app purchases: TopOpt Shape at none against Grammarific's 2. TopOpt Shape also leads on iOS requirement (12.0 vs 14.0). On price, ads 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. TopOpt Shape asks for nothing beyond the download.

## The numbers

| Metric | TopOpt Shape | Grammarific |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 5 MB | 34 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DTU Mechanical Engineering](https://appshunter.io/developer/507453160) | [Pronunciator LLC](https://appshunter.io/developer/520228857) |

## What reviewers say

### TopOpt Shape

[App page](https://appshunter.io/ios/app/topopt-shape/id1445661360)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grammarific

[App page](https://appshunter.io/ios/app/grammarific-danish-grammar/id6739589632)

**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 |


## Frequently asked questions

### Is TopOpt Shape free?

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

### Is Grammarific free?

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

### Do TopOpt Shape or Grammarific have ads?

Neither TopOpt Shape nor Grammarific 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.*