# Hx™ Thermostat vs Sempro app

The clearest difference is update cadence: Sempro app at fortnightly against Hx™ Thermostat's every 3 months. Sempro app also leads on iOS requirement (13.4 vs 15.1). 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.

Hx™ Thermostat ships an update every 3 months, Sempro app fortnightly. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Hx™ Thermostat | Sempro app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.5K ratings)](https://appshunter.io/ios/app/hx-thermostat/id1105092523/reviews)** | — |
| Number of ratings | **1.5K** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 32 MB | 41 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bosch Thermotechnik GmbH](https://appshunter.io/developer/456233209) | [Mobile Technologies Inc.](https://appshunter.io/developer/872145895) |

## What reviewers say

### Hx™ Thermostat

[App page](https://appshunter.io/ios/app/hx-thermostat/id1105092523)

Remotely manage your compatible smart thermostat from anywhere. Adjust temperature, fan settings, and humidity, or enable special modes like Max heat/cool. The app supports scheduling, geo-fencing, and integration with voice assistants.

**Highlights:** Remote temperature adjustment, Schedule management, Geo-fencing, Voice assistant integration (Google Home, Alexa), System mode selection, Push notifications for system faults

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient remote control
- 🚀 Fast and responsive app
- 🔒 Secure login process
- 💡 Integrates with Alexa

**What reviewers complain about**

- 🐛 Frequent login issues
- 🐛 App crashes and disconnects
- 🐛 Unreliable temperature readings
- 🐛 Compatibility issues with updates
- 🐛 Poor customer support

**Reported bugs**

- App fails to connect to thermostat
- Thermostat loses WiFi connection
- App doesn't match thermostat display
- Login process is broken
- Scheduled settings not working as expected

**Requested features**

- Display energy usage statistics
- Add more scheduling options
- Improve Alexa integration
- Provide better documentation
- Allow multiple user accounts


### Sempro app

[App page](https://appshunter.io/ios/app/sempro-app/id6740983086)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hx™ Thermostat free?

Hx™ Thermostat is free to download, with no in-app purchases.

### Is Sempro app free?

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

### Do Hx™ Thermostat or Sempro app have ads?

Neither Hx™ Thermostat nor Sempro app shows ads.

### Which is updated more often, Hx™ Thermostat or Sempro app?

Hx™ Thermostat ships an update every 3 months, and Sempro app fortnightly. Most recently, Hx™ Thermostat was updated on October 22, 2026 and Sempro app on October 19, 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.*