# 咔咔删除 vs Lux Light Meter

The clearest difference is update cadence: 咔咔删除 at every 6 days against Lux Light Meter's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 咔咔删除 sells 1 one-off in-app purchase and Lux Light Meter sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

咔咔删除 ships an update every 6 days, Lux Light Meter fortnightly. Both last shipped on November 5, 2026.

## The numbers

| Metric | 咔咔删除 | Lux Light Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/lux-light-meter-illuminance/id6790679680/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 4 MB |
| Requires iOS | **16.0** | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Changsha Zhihui Yuchuang Technology Co., Ltd.](https://appshunter.io/developer/1515092418) | [灿耿 陈](https://appshunter.io/developer/1688324562) |

## What reviewers say

### 咔咔删除

[App page](https://appshunter.io/ios/app/id6782111473)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久买断解锁 | $4.99 | one-time |


### Lux Light Meter

[App page](https://appshunter.io/ios/app/lux-light-meter-illuminance/id6790679680)

Measure ambient light levels with your iPhone. Get real-time lux and foot-candle readings, with specialized modes for photography and plant care. Track light history and calibrate for accuracy.

**Highlights:** Ambient light metering (lux/fc), Photography exposure suggestions, Plant light (PPFD/DLI) estimation, Continuous measurement and history, Optional meter calibration, Privacy-friendly local storage

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $1.99 | per 7 days |
| Annual Subscription | $7.99 | per year |
| Lifetime Access | $12.99 | one-time |


## Frequently asked questions

### Is 咔咔删除 free?

咔咔删除 is free to download, with in-app purchases available.

### Is Lux Light Meter free?

Lux Light Meter is free to download, with in-app purchases available.

### Do 咔咔删除 or Lux Light Meter have ads?

Neither 咔咔删除 nor Lux Light Meter shows ads.

### Which is updated more often, 咔咔删除 or Lux Light Meter?

咔咔删除 ships an update every 6 days, and Lux Light Meter fortnightly. Most recently, 咔咔删除 was updated on November 5, 2026 and Lux Light Meter 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.*