# GradeMaster for Teachers vs GradeKey

The clearest difference is in-app purchases: GradeMaster for Teachers at none against GradeKey's 1. GradeMaster for Teachers also leads on update cadence (weekly vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

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

GradeMaster for Teachers ships an update weekly, GradeKey monthly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | GradeMaster for Teachers | GradeKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Size | 30 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel White](https://appshunter.io/developer/6772658751) | [Hernan Rosario](https://appshunter.io/developer/6791755727) |

## What reviewers say

### GradeMaster for Teachers

[App page](https://appshunter.io/ios/app/grademaster-for-teachers/id6772658749)

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

**In-app purchases:** none


### GradeKey

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

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is GradeMaster for Teachers free?

GradeMaster for Teachers is free to download, with no in-app purchases.

### Is GradeKey free?

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

### Do GradeMaster for Teachers or GradeKey have ads?

Neither GradeMaster for Teachers nor GradeKey shows ads.

### Which is updated more often, GradeMaster for Teachers or GradeKey?

GradeMaster for Teachers ships an update weekly, and GradeKey monthly. Most recently, GradeMaster for Teachers was updated on October 24, 2026 and GradeKey on October 29, 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.*