# Grades Puzzle vs Hieralex 7

The clearest difference is iOS requirement: Grades Puzzle at 13.0 against Hieralex 7's 17.0. 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.

## The numbers

| Metric | Grades Puzzle | Hieralex 7 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Size | 96 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Hieu Hoang](https://appshunter.io/developer/1108291419) | [Position Games Limited](https://appshunter.io/developer/376156252) |

## What reviewers say

### Grades Puzzle

[App page](https://appshunter.io/ios/app/grades-puzzle/id6748925132)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hieralex 7

[App page](https://appshunter.io/ios/app/hieralex-7/id6764102682)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grades Puzzle free?

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

### Is Hieralex 7 free?

Hieralex 7 is free to download, with no in-app purchases.

### Do Grades Puzzle or Hieralex 7 have ads?

Neither Grades Puzzle nor Hieralex 7 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.*