# Project Assist vs Study Key

The clearest difference is update cadence: Study Key at every 3 weeks against Project Assist's every 2 months. 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.

Project Assist ships an update every 2 months, Study Key every 3 weeks. Both last shipped on September 9, 2026.

## The numbers

| Metric | Project Assist | Study Key |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 96 MB | 20 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Pro-Study](https://appshunter.io/developer/1545896363) | [LEAN TRANSITION SOLUTIONS LIMITED](https://appshunter.io/developer/1071218576) |

## What reviewers say

### Project Assist

[App page](https://appshunter.io/ios/app/project-assist/id1545912777)

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

**In-app purchases:** none


### Study Key

[App page](https://appshunter.io/ios/app/study-key/id1634610509)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Project Assist free?

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

### Is Study Key free?

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

### Do Project Assist or Study Key have ads?

Neither Project Assist nor Study Key shows ads.

### Which is updated more often, Project Assist or Study Key?

Project Assist ships an update every 2 months, and Study Key every 3 weeks. Most recently, Project Assist was updated on September 9, 2026 and Study Key on September 9, 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.*