# 40hz灯 vs LiveActivityTimer

The clearest difference is ads: 40hz灯 at none against LiveActivityTimer's shown. 40hz灯 also leads on iOS requirement (12.0 vs 17.0). LiveActivityTimer's advantage is update cadence (weekly vs every 11 months). 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.

40hz灯 ships an update every 11 months, LiveActivityTimer weekly. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 40hz灯 | LiveActivityTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Weekly** |
| Size | 34 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Zhongke Ningxin Co., Ltd.](https://appshunter.io/developer/1475589505) | [Fumiya Shigehara](https://appshunter.io/developer/1607648664) |

## What reviewers say

### 40hz灯

[App page](https://appshunter.io/ios/app/40hz/id1594573895)

**Features:** macOS Compatibility

**In-app purchases:** none


### LiveActivityTimer

[App page](https://appshunter.io/ios/app/liveactivitytimer/id6746558009)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 40hz灯 free?

40hz灯 is free to download, with no in-app purchases.

### Is LiveActivityTimer free?

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

### Do 40hz灯 or LiveActivityTimer have ads?

LiveActivityTimer shows ads; 40hz灯 does not.

### Which is updated more often, 40hz灯 or LiveActivityTimer?

40hz灯 ships an update every 11 months, and LiveActivityTimer weekly. Most recently, 40hz灯 was updated on October 13, 2026 and LiveActivityTimer on October 6, 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.*