# ScaleLabel vs Light Teller

The clearest difference is in-app purchases: ScaleLabel at none against Light Teller's 2. ScaleLabel also leads on update cadence (every 11 days vs every 5 months) and iOS requirement (9.0 vs 16.1). On price, ads and device support there is nothing between them.

Both are free to download. Light Teller sells 2 one-off in-app purchases. ScaleLabel asks for nothing beyond the download.

ScaleLabel ships an update every 11 days, Light Teller every 5 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | ScaleLabel | Light Teller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/light-teller/id6450953060/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 months |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 1 MB |
| Requires iOS | **9.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [XIAMEN KAICONG ELECTRONIC TECHNOLOGY CO., LTD](https://appshunter.io/developer/999718666) | [佳佳 陶](https://appshunter.io/developer/1682189695) |

## What reviewers say

### ScaleLabel

[App page](https://appshunter.io/ios/app/scalelabel/id1447219096)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is ScaleLabel free?

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

### Is Light Teller free?

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

### Do ScaleLabel or Light Teller have ads?

Neither ScaleLabel nor Light Teller shows ads.

### Which is updated more often, ScaleLabel or Light Teller?

ScaleLabel ships an update every 11 days, and Light Teller every 5 months. Most recently, ScaleLabel was updated on October 26, 2026 and Light Teller on November 3, 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.*