# 窗安無事 WIN SAFE vs InstaWill

The clearest difference is iOS requirement: 窗安無事 WIN SAFE at 12.0 against InstaWill's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

窗安無事 WIN SAFE ships an update every 2 months, InstaWill every 4 months. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 窗安無事 WIN SAFE | InstaWill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Size | 69 MB | 17 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Buildings Department, HKSARG](https://appshunter.io/developer/888159754) | [Amy Tin Wai Kwan](https://appshunter.io/developer/1632737897) |

## What reviewers say

### 窗安無事 WIN SAFE

[App page](https://appshunter.io/ios/app/win-safe/id1616494423)

**Features:** macOS Compatibility

**In-app purchases:** none


### InstaWill

[App page](https://appshunter.io/ios/app/instawill/id1632737715)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 窗安無事 WIN SAFE free?

窗安無事 WIN SAFE is free to download, with no in-app purchases.

### Is InstaWill free?

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

### Do 窗安無事 WIN SAFE or InstaWill have ads?

Neither 窗安無事 WIN SAFE nor InstaWill shows ads.

### Which is updated more often, 窗安無事 WIN SAFE or InstaWill?

窗安無事 WIN SAFE ships an update every 2 months, and InstaWill every 4 months. Most recently, 窗安無事 WIN SAFE was updated on October 16, 2026 and InstaWill on October 7, 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.*