# WhyOpen vs AppGuard スマホ制限ロック

WhyOpen and AppGuard スマホ制限ロック 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. WhyOpen sells 2 in-app purchases, starting at $2.99 per month and AppGuard スマホ制限ロック sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

WhyOpen ships an update every 5 days, AppGuard スマホ制限ロック every 9 days. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | WhyOpen | AppGuard スマホ制限ロック |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Size | 52 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Hilmican Celiker](https://appshunter.io/developer/1847464941) | [Motoki Seki](https://appshunter.io/developer/1895850085) |

## What reviewers say

### WhyOpen

[App page](https://appshunter.io/ios/app/whyopen-screen-time/id6768672558)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $14.99 | per year |


### AppGuard スマホ制限ロック

[App page](https://appshunter.io/ios/app/appguard/id6785254908)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン | $19.99 | per year |
| Premium買切りプラン | $29.99 | one-time |


## Frequently asked questions

### Is WhyOpen free?

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

### Is AppGuard スマホ制限ロック free?

AppGuard スマホ制限ロック is free to download, with in-app purchases available.

### Do WhyOpen or AppGuard スマホ制限ロック have ads?

Neither WhyOpen nor AppGuard スマホ制限ロック shows ads.

### Which is updated more often, WhyOpen or AppGuard スマホ制限ロック?

WhyOpen ships an update every 5 days, and AppGuard スマホ制限ロック every 9 days. Most recently, WhyOpen was updated on September 30, 2026 and AppGuard スマホ制限ロック on October 3, 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.*