A simple yet efficient check-in tool for Foursquare.
No Ad, No In-App purchase.

This app focuses only one function: check-in.
I made this app because I need a tool to check-in quickly with a map preview.
If you require a full functional Foursquare tool, you may refer to the official app.

About the privacy: NO SINGLE BYTE OF YOUR DATA IS USED OUTSIDE THIS APPLICATION.
- Require Location permission to fetch nearby venues from Foursquare. Please refer to Foursquare's privacy policy for their data usage.
- Require Calendar permission to record your check-in to your default calendar, no calendar data reading and no data uploading. You can disable this feature in settings.

Features
- Search nearby places, and sort the result by distance.
- Quick preview the target place with map reference.
or [3D Touch] to Peek & Pop a place with map.
- Check-in with just one tap.
- Options to share the check-in to Facebook or Twitter(Need to link these accounts in the official Foursquare site or application).
- Save your check-in to your Default Calendar

URL Scheme
* Start: tyonesquare://
* Search: tyonesquare://venues?search=[keyword]