# Alpha HeatHub vs SMT Controller

The clearest difference is in-app purchases: Alpha HeatHub at none against SMT Controller's 11. Alpha HeatHub also leads on update cadence (every 2 months vs every 4 months) and iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SMT Controller sells 11 one-off in-app purchases. Alpha HeatHub asks for nothing beyond the download.

Alpha HeatHub ships an update every 2 months, SMT Controller every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Alpha HeatHub | SMT Controller |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 8 MB | 142 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Allied Control System Co., Ltd.](https://appshunter.io/developer/1094154581) | [GUNPOWER](https://appshunter.io/developer/1869202061) |

## What reviewers say

### Alpha HeatHub

[App page](https://appshunter.io/ios/app/alpha-heathub/id1142860132)

Control your home heating remotely via smartphone or tablet. Adjust schedules, temperatures, and set holiday modes from anywhere. Save money on energy bills with flexible heating management.

**Highlights:** Remote temperature adjustment, View inside/outside temperature, Edit thermostat schedule, Set holiday mode, Override heating on/off, Save on heating bills

**Features:** macOS Compatibility

**In-app purchases:** none


### SMT Controller

[App page](https://appshunter.io/ios/app/smt-controller/id6757835838)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 GP | $1.99 | one-time |
| 5,000 Credit | $2.99 | one-time |
| 300 GP + 30 Bonus | $5.99 | one-time |
| 10,000 Credit | $5.99 | one-time |
| 15,000 Credit | $9.99 | one-time |
| 570 GP + 50 Bonus | $10.99 | one-time |
| 20,000 Credit | $11.99 | one-time |
| 900 GP + 100 Bonus | $16.99 | one-time |
| 30,000 Credit | $19.99 | one-time |
| 1500 GP + 150 Bonus | $26.99 | one-time |
| 3000 GP + 400 Bonus | $54.99 | one-time |


## Frequently asked questions

### Is Alpha HeatHub free?

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

### Is SMT Controller free?

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

### Do Alpha HeatHub or SMT Controller have ads?

Neither Alpha HeatHub nor SMT Controller shows ads.

### Which is updated more often, Alpha HeatHub or SMT Controller?

Alpha HeatHub ships an update every 2 months, and SMT Controller every 4 months. Most recently, Alpha HeatHub was updated on October 24, 2026 and SMT Controller on October 24, 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.*