# KMC Smart vs HeatNext

The clearest difference is in-app purchases: KMC Smart at none against HeatNext's 4. HeatNext's advantage is update cadence (every 2 months vs every 11 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. HeatNext sells 4 in-app purchases, starting at $1.99 per month. KMC Smart asks for nothing beyond the download.

KMC Smart ships an update every 11 months, HeatNext every 2 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | KMC Smart | HeatNext |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.8K ratings)](https://appshunter.io/ios/app/kmc-smart/id1212701901/reviews)** | — |
| Number of ratings | **6.8K** | — |
| Positive reviews | 64.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 167 MB | 32 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [保凤 房](https://appshunter.io/developer/1062224988) | [Nomnio](https://appshunter.io/developer/1440372439) |

## 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


### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $1.99 | per month |
| Advanced Package | $3.99 | per month |
| Plus Package | $18.99 | per year |
| Advanced Package | $37.99 | per year |


## Frequently asked questions

### Is KMC Smart free?

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

### Is HeatNext free?

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

### Do KMC Smart or HeatNext have ads?

Neither KMC Smart nor HeatNext shows ads.

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

KMC Smart ships an update every 11 months, and HeatNext every 2 months. Most recently, KMC Smart was updated on September 20, 2026 and HeatNext on September 15, 2026.

---

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