I\'m looking for an open source app or library to track user location in the background. Now I\'m trying to do it with CLLocation and background tasks, but accu
Disclaimer: I work for Cintric
We also wanted to be able to accurately track a users location in background (even after the app had been killed). We spent a long time solving the problem, especially focusing on battery drain.
We posted a great blog post on how we solved it. And also are providing a drag and drop SDK solution. It's not open source but you can integrate it for free:
You can download the .framework file, drag it into your project and initialize with one line of code:
[CintricFind initWithApiKey:@"YOUR_API_KEY_HERE" andSecret:@"YOUR_SECRET_HERE"];
You can get an API key for free. There are docs explaining everything here.