# KMC Smart vs YHW

The clearest difference is review sentiment: KMC Smart at 64% against YHW's 0%. KMC Smart also leads on rating (4.7 vs 2.1) and ratings volume (6.8K vs 14). YHW's advantage is update cadence (every 2 months vs every 11 months) and iOS requirement (10.0 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

KMC Smart holds the better App Store score, 4.7 against 2.1. That said, the two scores are not equally well evidenced: KMC Smart has 6.8K ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 64% of KMC Smart's written reviews are positive against 0% of YHW's.

KMC Smart ships an update every 11 months, YHW every 2 months. The most recent releases landed on October 23, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | KMC Smart | YHW |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.8K ratings)](https://appshunter.io/ios/app/kmc-smart/id1212701901/reviews)** | [2.1 (14 ratings)](https://appshunter.io/ios/app/yhw/id1535778480/reviews) |
| Number of ratings | **6.8K** | 14 |
| Positive reviews | **64.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 167 MB | 115 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [保凤 房](https://appshunter.io/developer/1062224988) | [JM Zengge Co., Ltd](https://appshunter.io/developer/1454768668) |

## What reviewers say

### KMC Smart

[App page](https://appshunter.io/ios/app/kmc-smart/id1212701901)

Control your smart home devices remotely from anywhere. Automate tasks, set schedules, and create custom scenes for convenience. Integrate with voice assistants and securely share access with family and friends.

**Highlights:** Remote device control, Create schedules, Set automations, Voice assistant integration, Secure family sharing

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Excellent performance
- 💡 Customizable features
- 🔌 Works well with smart home devices
- 📊 Useful electricity usage tracking

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🕰️ Inconsistent timer functionality
- 🔄 Frustrating app updates that reset devices
- 🤖 Unreliable Alexa integration
- 🕰️ Lack of automatic daylight saving time adjustments

**Reported bugs**

- App freezing and becoming unresponsive
- Devices disappearing from the app after updates
- Inability to modify account information and settings
- Sync issues with schedules and timers

**Requested features**

- Automatic shut-off option based on power draw
- Dark mode for night-time use
- Ability to set schedules with more granular control (e.g. on at sunset, off at 10 PM)
- Easier way to manage and share access with family members
- Export energy usage data


### YHW

[App page](https://appshunter.io/ios/app/yhw/id1535778480)

Personalize your smart lighting with a vast color palette, grouping options, and music synchronization. Control your lights remotely from anywhere in the world.

**Highlights:** 16 million color palette, Group smart lights, Setup timers, Sync bulbs to music, Remote control from anywhere

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

**In-app purchases:** none


## Frequently asked questions

### Is KMC Smart free?

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

### Is YHW free?

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

### Which has better reviews, KMC Smart or YHW?

KMC Smart is rated higher. KMC Smart averages 4.7 out of 5 from 6.8K ratings, while YHW averages 2.1 from 14 ratings.

### Do KMC Smart or YHW have ads?

Neither KMC Smart nor YHW shows ads.

### Which is updated more often, KMC Smart or YHW?

KMC Smart ships an update every 11 months, and YHW every 2 months. Most recently, KMC Smart was updated on October 23, 2026 and YHW on October 10, 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.*