# GradeBox vs GradeKey

The clearest difference is in-app purchases: GradeBox at none against GradeKey's 1. GradeKey's advantage is update cadence (fortnightly vs every 6 weeks) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. GradeKey sells 1 one-off in-app purchase. GradeBox asks for nothing beyond the download.

GradeBox ships an update every 6 weeks, GradeKey fortnightly. The most recent releases landed on September 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | GradeBox | GradeKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 56 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Marcel Baumeister](https://appshunter.io/developer/1603879455) | [Hernan Rosario](https://appshunter.io/developer/6791755727) |

## What reviewers say

### GradeBox

[App page](https://appshunter.io/ios/app/gradebox/id6755652994)

**In-app purchases:** none


### GradeKey

[App page](https://appshunter.io/ios/app/gradekey-grade-calculator/id6794347301)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GradeKey Pro | $7.99 | one-time |


## Frequently asked questions

### Is GradeBox free?

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

### Is GradeKey free?

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

### Do GradeBox or GradeKey have ads?

Neither GradeBox nor GradeKey shows ads.

### Which is updated more often, GradeBox or GradeKey?

GradeBox ships an update every 6 weeks, and GradeKey fortnightly. Most recently, GradeBox was updated on September 13, 2026 and GradeKey on September 25, 2026.

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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.*