# Hi Rheem vs SAMYOU Smart

The clearest difference is update cadence: SAMYOU Smart at every 3 weeks against Hi Rheem's every 12 months. Hi Rheem's advantage is iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Hi Rheem ships an update every 12 months, SAMYOU Smart every 3 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Hi Rheem | SAMYOU Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Size | 181 MB | 104 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rheem  China Water Heater Co., Ltd](https://appshunter.io/developer/1558088898) | [Zhuhai Weinuo Environment Technology Equipment Co.,Ltd](https://appshunter.io/developer/1541968953) |

## What reviewers say

### Hi Rheem

[App page](https://appshunter.io/ios/app/hi-rheem/id1558088896)

**In-app purchases:** none


### SAMYOU Smart

[App page](https://appshunter.io/ios/app/samyou-smart/id6755296781)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hi Rheem free?

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

### Is SAMYOU Smart free?

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

### Do Hi Rheem or SAMYOU Smart have ads?

Neither Hi Rheem nor SAMYOU Smart shows ads.

### Which is updated more often, Hi Rheem or SAMYOU Smart?

Hi Rheem ships an update every 12 months, and SAMYOU Smart every 3 weeks. Most recently, Hi Rheem was updated on November 7, 2026 and SAMYOU Smart 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.*