# Onelink Thermostat vs Controller for HomeKit

The clearest difference is in-app purchases: Onelink Thermostat at none against Controller for HomeKit's 10. Onelink Thermostat also leads on iOS requirement (15.6 vs 17.0). Controller for HomeKit's advantage is update cadence (every 2 weeks vs every 8 months) and ratings volume (2.8K vs 109). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Controller for HomeKit sells 7 in-app purchases, starting at $4.99 per month. Onelink Thermostat asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for Onelink Thermostat against 4.1 for Controller for HomeKit. That said, the two scores are not equally well evidenced: Controller for HomeKit has 2.8K ratings behind it against 109, so its average is the more settled of the two. Written reviews are what separate them: 33% of Onelink Thermostat's written reviews are positive against 28% of Controller for HomeKit's.

Onelink Thermostat ships an update every 8 months, Controller for HomeKit every 2 weeks. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Onelink Thermostat | Controller for HomeKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (109 ratings)](https://appshunter.io/ios/app/onelink-thermostat/id937837126/reviews)** | [4.1 (2.8K ratings)](https://appshunter.io/ios/app/controller-for-homekit/id1198176727/reviews) |
| Number of ratings | 109 | **2.8K** |
| Positive reviews | **33.3% of reviews** | 28.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 65 MB | 219 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Skyport Labs, LLC](https://appshunter.io/developer/1234749952) | [acasa Software GmbH](https://appshunter.io/developer/974663980) |

## What reviewers say

### Onelink Thermostat

[App page](https://appshunter.io/ios/app/onelink-thermostat/id937837126)

Remotely monitor and adjust your home's heating and cooling systems from your mobile device. Control multiple locations and thermostats, view weather forecasts, and track energy usage. Receive alerts and send personalized messages to your thermostat's display.

**Highlights:** Remote thermostat control, Multi-location management, Weather and forecast display, Energy usage monitoring, Personalized thermostat messaging, Temperature alerts, Programming and vacation settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Controller for HomeKit

[App page](https://appshunter.io/ios/app/controller-for-homekit/id1198176727)

Enhance your smart home experience with advanced control and automation. Visualize your home with floor plans, track device performance with charts, and create complex automations tailored to your needs. Organize devices, store setup codes, and monitor your entire smart home ecosystem.

**Highlights:** Floor plan visualization with LiDAR, Device performance charts, Complex automations and workflows, Custom notifications, Smart folders and filters, Setup code storage, Device maintenance and logs

**Features:** Family Sharing, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Controller Essentials | $4.99 | per month |
| Essentials Lifetime - Plus Addon | $4.99 | per month |
| Controller Plus | $8.99 | per month |
| Essentials Lifetime - Plus Addon | $39.99 | per year |
| Controller Essentials | $39.99 | per year |
| Controller Plus | $79.99 | per year |
| Controller Plus Lifetime | $179.99 | one-time |

**What reviewers like**

- 🚀 Powerful automation features
- 📚 Helpful backup and restore functionality
- 🔍 Detailed logging and troubleshooting
- 🧠 Advanced HomeKit control and customization

**What reviewers complain about**

- 🐛 Buggy and crash-prone
- 💰 Expensive subscription model
- 🤖 Poor customer support
- 🤔 Confusing and unintuitive UI

**Reported bugs**

- Backup and restore issues
- Disappearing automations and accessories
- Compatibility problems with iOS 16.2
- Slow performance and unresponsiveness

**Requested features**

- Improved documentation and tutorials
- Better integration with Apple Home app
- Support for more HomeKit device types
- Ability to customize automation triggers


## Frequently asked questions

### Is Onelink Thermostat free?

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

### Is Controller for HomeKit free?

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

### Which has better reviews, Onelink Thermostat or Controller for HomeKit?

Onelink Thermostat is rated higher. Onelink Thermostat averages 4.2 out of 5 from 109 ratings, while Controller for HomeKit averages 4.1 from 2.8K ratings.

### Do Onelink Thermostat or Controller for HomeKit have ads?

Neither Onelink Thermostat nor Controller for HomeKit shows ads.

### Which is updated more often, Onelink Thermostat or Controller for HomeKit?

Onelink Thermostat ships an update every 8 months, and Controller for HomeKit every 2 weeks. Most recently, Onelink Thermostat was updated on October 21, 2026 and Controller for HomeKit on October 29, 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.*