# Light Teller vs 灭火器溯源监管平台

The clearest difference is in-app purchases: 灭火器溯源监管平台 at none against Light Teller's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Light Teller sells 2 one-off in-app purchases. 灭火器溯源监管平台 asks for nothing beyond the download.

Light Teller ships an update every 5 months, 灭火器溯源监管平台 every 3 months. The most recent releases landed on September 20, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Light Teller | 灭火器溯源监管平台 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/light-teller/id6450953060/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 30 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [佳佳 陶](https://appshunter.io/developer/1682189695) | [Shenzhen Faralli Technologies Co.,Ltd.](https://appshunter.io/developer/1054752194) |

## What reviewers say

### Light Teller

[App page](https://appshunter.io/ios/app/light-teller/id6450953060)

This app uses your smartphone camera to measure ambient light levels, helping parents ensure their children's study spaces have adequate lighting to protect their vision and reduce myopia risk. It offers clear instructions and educational content on light's impact on eye health.

**Highlights:** Brightness testing with smartphone camera, Light health guidance for parents, Detailed user instructions, Accurate and reliable measurements, Educational articles on visual health

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Months Access | $1.99 | one-time |
| 1 Year Access | $4.99 | one-time |


### 灭火器溯源监管平台

[App page](https://appshunter.io/ios/app/id6503434659)

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

**In-app purchases:** none


## Frequently asked questions

### Is Light Teller free?

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

### Is 灭火器溯源监管平台 free?

灭火器溯源监管平台 is free to download, with no in-app purchases.

### Do Light Teller or 灭火器溯源监管平台 have ads?

Neither Light Teller nor 灭火器溯源监管平台 shows ads.

### Which is updated more often, Light Teller or 灭火器溯源监管平台?

Light Teller ships an update every 5 months, and 灭火器溯源监管平台 every 3 months. Most recently, Light Teller was updated on September 20, 2026 and 灭火器溯源监管平台 on October 30, 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.*