# StudyKey vs why?

StudyKey and why? are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. StudyKey sells 2 in-app purchases, starting at $4.99 per 7 days and why? sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

StudyKey ships an update every 9 days, why? every 5 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | StudyKey | why? |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Size | 16 MB | 9 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BERAT ONER](https://appshunter.io/developer/6783454346) | [Comma Labs](https://appshunter.io/developer/1882050945) |

## What reviewers say

### StudyKey

[App page](https://appshunter.io/ios/app/studykey-learn-and-focus/id6791251481)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Yearly Premium | $29.99 | per year |


### why?

[App page](https://appshunter.io/ios/app/why-screen-time-control/id6802287404)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $9.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is StudyKey free?

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

### Is why? free?

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

### Do StudyKey or why? have ads?

Neither StudyKey nor why? shows ads.

### Which is updated more often, StudyKey or why??

StudyKey ships an update every 9 days, and why? every 5 days. Most recently, StudyKey was updated on October 25, 2026 and why? on October 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.*