# Hx™ Thermostat vs Thermostat Controller

The clearest difference is review sentiment: Thermostat Controller at 100% against Hx™ Thermostat's 20%. Thermostat Controller also leads on rating (5.0 vs 4.4) and update cadence (weekly vs every 3 months). Hx™ Thermostat's advantage is ratings volume (1.5K vs 1) and device support (3 vs 1). 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.

Thermostat Controller holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Hx™ Thermostat has 1.5K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of Hx™ Thermostat's written reviews are positive against 100% of Thermostat Controller's.

Hx™ Thermostat ships an update every 3 months, Thermostat Controller weekly. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Hx™ Thermostat | Thermostat Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.5K ratings)](https://appshunter.io/ios/app/hx-thermostat/id1105092523/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thermostat-controller/id6502414185/reviews)** |
| Number of ratings | **1.5K** | 1 |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 32 MB | 5 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bosch Thermotechnik GmbH](https://appshunter.io/developer/456233209) | [JASON QUARTZ](https://appshunter.io/developer/1745379151) |

## 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


### Thermostat Controller

[App page](https://appshunter.io/ios/app/thermostat-controller/id6502414185)

Monitor and adjust your Venstar thermostat's temperature, humidity, and fan settings directly from your phone. View current and historical runtime data. Receive optional notifications for state changes.

**Highlights:** View current temperature and humidity, Adjust set temperature, Change heating/cooling mode, Control fan settings, Monitor daily runtime history, Optional state change notifications

**In-app purchases:** none


## Frequently asked questions

### Is Hx™ Thermostat free?

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

### Is Thermostat Controller free?

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

### Which has better reviews, Hx™ Thermostat or Thermostat Controller?

Thermostat Controller is rated higher. Hx™ Thermostat averages 4.4 out of 5 from 1.5K ratings, while Thermostat Controller averages 5.0 from 1 ratings.

### Do Hx™ Thermostat or Thermostat Controller have ads?

Neither Hx™ Thermostat nor Thermostat Controller shows ads.

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

Hx™ Thermostat ships an update every 3 months, and Thermostat Controller weekly. Most recently, Hx™ Thermostat was updated on November 6, 2026 and Thermostat Controller on November 4, 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.*