# 过敏克星 vs HeiLock

The clearest difference is ads: HeiLock at none against 过敏克星's shown. HeiLock also leads on update cadence (weekly vs every 3 weeks). 过敏克星's advantage is iOS requirement (11.0 vs 16.0). On price, 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.

过敏克星 ships an update every 3 weeks, HeiLock weekly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 过敏克星 | HeiLock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 36 MB | 19 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) | [北京尾巴频率科技有限公司](https://appshunter.io/developer/6773318006) |

## What reviewers say

### 过敏克星

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

**Features:** macOS Compatibility

**In-app purchases:** none


### HeiLock

[App page](https://appshunter.io/ios/app/heilock/id6776676490)

**In-app purchases:** none


## Frequently asked questions

### Is 过敏克星 free?

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

### Is HeiLock free?

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

### Do 过敏克星 or HeiLock have ads?

过敏克星 shows ads; HeiLock does not.

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

过敏克星 ships an update every 3 weeks, and HeiLock weekly. Most recently, 过敏克星 was updated on November 7, 2026 and HeiLock on November 5, 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.*