Try following the below troubleshooting options:
To reset your search distance
Open JSwipe Settings Match Filters Set to 1 mile Save
Go back into Settings Match Filters Set back to original search distance
To reset your location on phone settings
Settings General Reset Reset Location & Privacy
To force trigger a location update
Go to Settings JSwipe Location and toggle from “While Using” To “Never” and then back…this will key off a location update the next time the app becomes active.