# Light Teller vs Sealy FlexiRest

The clearest difference is in-app purchases: Sealy FlexiRest 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. Sealy FlexiRest asks for nothing beyond the download.

Light Teller ships an update every 5 months, Sealy FlexiRest every 8 months. The most recent releases landed on September 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Light Teller | Sealy FlexiRest |
| --- | --- | --- |
| 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 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 7 MB |
| Requires iOS | 16.1 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [佳佳 陶](https://appshunter.io/developer/1682189695) | [Zhejiang Shidao Electric Appliance Co.,Ltd](https://appshunter.io/developer/1444499347) |

## 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 |


### Sealy FlexiRest

[App page](https://appshunter.io/ios/app/sealy-flexirest/id6754161309)

**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 Sealy FlexiRest free?

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

### Do Light Teller or Sealy FlexiRest have ads?

Neither Light Teller nor Sealy FlexiRest shows ads.

### Which is updated more often, Light Teller or Sealy FlexiRest?

Light Teller ships an update every 5 months, and Sealy FlexiRest every 8 months. Most recently, Light Teller was updated on September 20, 2026 and Sealy FlexiRest on October 15, 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.*