This is, no doubt, a common need: A nice time card solution which integrates with FileMaker.
Option 1 - off the shelf, pre-packaged solutions. I know there are several, which do you like best?
Option 2 - custom build it, and let people log in on their phones with web direct
Option 2 is appealing because of the challenge, but my client doesn't need or want to buy 20 concurrent licenses just to let his crew log in twice a day, once at the start, and once at the end. Otherwise all those licenses would just go to waste.