# Shun Hing vs Sealy FlexiRest

The clearest difference is iOS requirement: Shun Hing at 13.0 against Sealy FlexiRest's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Shun Hing ships an update every 13 months, Sealy FlexiRest every 8 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Shun Hing | Sealy FlexiRest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 8 months** |
| Size | 177 MB | 7 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [SHUN HING ELECTRIC WORKS & ENGINEERING CO LTD](https://appshunter.io/developer/1587122919) | [Zhejiang Shidao Electric Appliance Co.,Ltd](https://appshunter.io/developer/1444499347) |

## What reviewers say

### Shun Hing

[App page](https://appshunter.io/ios/app/shun-hing/id6469593624)

**In-app purchases:** none


### 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 Shun Hing free?

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

### Is Sealy FlexiRest free?

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

### Do Shun Hing or Sealy FlexiRest have ads?

Neither Shun Hing nor Sealy FlexiRest shows ads.

### Which is updated more often, Shun Hing or Sealy FlexiRest?

Shun Hing ships an update every 13 months, and Sealy FlexiRest every 8 months. Most recently, Shun Hing was updated on November 3, 2026 and Sealy FlexiRest on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*