# Gadgetbridge

24 Hacker News commenters recommended Gadgetbridge and 3 criticized it, November 2025 to November 2026. It was recommended in 10 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Free open-source Android app that syncs many fitness watches and bands while keeping data on your phone. Caveat: step and calorie counts can be inconsistent.

## Why people recommend it

- Works with many watch brands (8 comments): "Garmin watches generally work with GadgetBridge, so they are much easier to use in a privacy-preserving way." ([source](https://news.ycombinator.com/item?id=47994066)) "It keeps all data on your phone. They support lots of devices" ([source](https://news.ycombinator.com/item?id=50114443)) "Gadgetbridge works pretty well with Amazfit smart watches" ([source](https://news.ycombinator.com/item?id=45963246))
- Keeps data local, no cloud (5 comments): "everything works flawlessly together without any cloud service sucking up my data" ([source](https://news.ycombinator.com/item?id=47046955)) "It keeps all data on your phone. They support lots of devices" ([source](https://news.ycombinator.com/item?id=50114443)) "gadgetbridge itself doesn't have internet permissions either" ([source](https://news.ycombinator.com/item?id=49288735))
- Open source and free (3 comments): "you can use GadgetBridge to sync with your phone (GadgetBridge is open source)." ([source](https://news.ycombinator.com/item?id=48641693)) "I use https://codeberg.org/Freeyourgadget/Gadgetbridge instead" ([source](https://news.ycombinator.com/item?id=49279107)) "thanks to the FOSS GadgetBridge appp" ([source](https://news.ycombinator.com/item?id=49844929))
- Replaces official vendor apps (3 comments): "Gadgetbridge isn't shiny but it at least lets you control what you need." ([source](https://news.ycombinator.com/item?id=48591606)) "Many times GadgetBridge can be used instead of the official app" ([source](https://news.ycombinator.com/item?id=48248916)) "You don't need the proprietary and data-collecting app" ([source](https://news.ycombinator.com/item?id=47375528))

## What people warn about

- Inaccurate step, calorie or sleep data (2 comments): "it works fine in general...the step tracker,and calories burned seem really inconsistent" ([source](https://news.ycombinator.com/item?id=45970666)) "then noticed how incorrect sleep data was" ([source](https://news.ycombinator.com/item?id=50100978))

## Alternatives hackers recommend

- [Strava](https://hackerapproved.com/p/strava.md): 20 recommend
- [Intervals.icu](https://hackerapproved.com/p/intervals-icu.md): 9 recommend
- [Garmin Connect](https://hackerapproved.com/p/garmin-connect.md): 5 recommend

## Cite as

Hacker Approved, "Gadgetbridge", https://hackerapproved.com/p/gadgetbridge/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).