head to head · open source
OpenMQTTGateway vs iOS
OpenMQTTGateway has 4,094 GitHub stars, 906 forks, 48 open issues and last shipped today. iOS has 2,357 stars, 521 forks, 293 open issues and last shipped yesterday. OpenMQTTGateway leads on adoption by 74% (4,094 vs 2,357 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 22%. OpenMQTTGateway 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 | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 906 | ⑂ 521 |
| 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 is an open source C++ gateway firmware for ESP8266 and ESP32 boards that connects local radio and sensor protocols to MQTT. It lives in the home automation ecosystem and is associated with Home Assistant, OpenHAB, NodeRed, and AWS IOT. The project aims to unify various technologies and protocols into a single firmware, reducing the need for multiple physical bridges.
read the full OpenMQTTGateway overview →
About iOS
Home Assistant for Apple Platforms is companion app for Home Assistant on iOS and macOS. It lives in Home Assistant open source home automation ecosystem. Project is written in Swift, licensed Apache 2.0, and tagged with home assistant, home automation, ios, macos, open source app, swift. Repository lists 2350 stars, 519 forks, 293 open issues, and 10 years age. Category is Productivity & Utilities / Automation. Last push is 2026 09 15T06:10:16Z.
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Frequently asked questions
Is OpenMQTTGateway or iOS more popular?
OpenMQTTGateway has 4,094 GitHub stars and iOS has 2,357. 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 (4,094 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.