head to head · open source
OpenMQTTGateway vs iOS
OpenMQTTGateway has 4,117 GitHub stars, 910 forks, 48 open issues and last shipped 17 days ago. iOS has 2,398 stars, 553 forks, 293 open issues and last shipped 2 days ago. OpenMQTTGateway leads on adoption by 72% (4,117 vs 2,398 stars). OpenMQTTGateway is written in C++ under GPL-3.0; iOS is written in Swift under Apache-2.0. OpenMQTTGateway has attracted 22% as many forks as stars, iOS 23%. iOS was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (home-assistant, home-automation), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenMQTTGateway | iOS | |
|---|---|---|
| GitHub stars | ★ 4.1K | ★ 2.4K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | C++ | Swift |
| Last push | 2026-10-19 | 2026-11-03 |
| Forks | ⑂ 910 | ⑂ 553 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenMQTTGateway if
- You weight community size — 4.1K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick iOS if
- You want the iOS feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Swift
- You evaluated both and iOS fits your workflow better
About OpenMQTTGateway
OpenMQTTGateway aims to unify various technologies and protocols into a single firmware. This reduces the need for multiple physical bridges and streamlines diverse technologies under the widely used MQTT protocol. Sponsors Documentation The documentation is here New to OpenMQTTGateway? Follow the Getting Started guide to flash a board from your browser and see your first sensor data in about 15 minutes. The reference sheet, with the list of all functions, pinouts is here Upload Upload OpenMQTTGateway directly from the upload page (no additional software required) or build your own configuration with PlatformIO…
read the full OpenMQTTGateway overview →
About iOS
Home Assistant for Apple Platforms ================= Getting Started Home Assistant uses Bundler, Homebrew, and SPM to manage build dependencies. You'll need Xcode 27.0 (or later), currently a beta, which you can download from Apple Developer Downloads. You can get the app running using the following commands: Once this completes, you can launch HomeAssistant.xcodeproj and run the App Debug scheme onto your simulator or iOS device. Testing just the frontend To just test the frontend, you can use a simulator version built by our GitHub actions. 1. Install Xcode from the App Store making sure it's at least the…
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Frequently asked questions
Is OpenMQTTGateway or iOS more popular?
OpenMQTTGateway has 4,117 GitHub stars and iOS has 2,398. OpenMQTTGateway has the larger community by that measure.
Are OpenMQTTGateway and iOS free?
Both are open source. OpenMQTTGateway is licensed under GPL-3.0 and iOS under Apache-2.0. Neither carries a licence fee.
What is the difference between OpenMQTTGateway and iOS?
OpenMQTTGateway is written in C++ and iOS in Swift. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenMQTTGateway or iOS?
Choose OpenMQTTGateway if you want the larger community (4,117 stars) or its GPL-3.0 licence terms. Choose iOS if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.