# 过敏克星 vs 阁楼

The clearest difference is in-app purchases: 过敏克星 at none against 阁楼's 1. 过敏克星 also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.0 vs 16.0). 阁楼's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 阁楼 sells 1 one-off in-app purchase. 过敏克星 asks for nothing beyond the download.

过敏克星 ships an update every 3 weeks, 阁楼 every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 过敏克星 | 阁楼 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6447677830/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 10 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shandong Ziyan Electronic Technology Co., Ltd](https://appshunter.io/developer/1618390853) | [知珩 徐](https://appshunter.io/developer/1595137914) |

## What reviewers say

### 过敏克星

[App page](https://appshunter.io/ios/app/id1618390851)

**Features:** macOS Compatibility

**In-app purchases:** none


### 阁楼

[App page](https://appshunter.io/ios/app/id6447677830)

This app helps you protect your privacy and manage your device's application usage. It allows you to group apps to avoid distractions during specific tasks like studying or to hide them from others. It also offers robust information protection features and can integrate with Siri and Shortcuts.

**Highlights:** Group applications to avoid distractions, Hide apps from others, Set global and per-group passwords, Integrates with Siri and Shortcuts, Prevent app installation/uninstallation, No data sent to servers

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Attic Pro | $1.99 | one-time |


## Frequently asked questions

### Is 过敏克星 free?

过敏克星 is free to download, with no in-app purchases.

### Is 阁楼 free?

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

### Do 过敏克星 or 阁楼 have ads?

过敏克星 shows ads; 阁楼 does not.

### Which is updated more often, 过敏克星 or 阁楼?

过敏克星 ships an update every 3 weeks, and 阁楼 every 2 months. Most recently, 过敏克星 was updated on November 7, 2026 and 阁楼 on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*