Most small businesses still run attendance on trust: a register at the door, a WhatsApp "reached office" message, or a shared login on the office computer. It works — until it doesn't. One colleague signs in for another, a "five minutes away" turns into forty, and by month-end nobody can say for sure who was actually there.
Geofenced check-in fixes this without slowing anyone down. Here's how it works, what it costs you not to have it, and how to set it up so it doesn't annoy the people it's meant to help.
What "buddy punching" really costs
Buddy punching is when one employee marks attendance for another. It's rarely dramatic — usually a favour between friends — but it adds up. If a 40-person team has two people a week arriving an hour late while a friend signs them in, that's roughly eight unpaid-for hours a month on the payroll, before you count the overtime that gets claimed on top.
The bigger cost is trust. When attendance can't be verified, every late mark becomes an argument and every salary slip a negotiation. Managers stop believing the register, and honest employees resent the ones who game it.
How geofenced check-in works
A geofence is a virtual circle drawn around a real place — your office, a factory gate, a retail store. When an employee punches in from their phone or browser, the attendance app reads their GPS location and checks whether it falls inside that circle.
- Inside the circle: the punch is recorded, along with the location.
- Outside the circle: the punch is refused, and the employee sees why.
- Location off or too weak: the app asks them to turn it on or try again, instead of failing silently.
Because the check happens on the employee's own phone, there's no hardware to buy and no queue at the door. It's especially useful for teams spread across branches, sites or client locations where a biometric machine at every entrance isn't practical.
Why it beats the honour system
- Every punch has a place. A punch from home or from the tea stall down the road simply doesn't go through.
- No more "I forgot to sign". Punching takes a tap, so the record is complete without HR chasing people.
- Late marks you can stand behind. The time and place are recorded together, so disputes are settled by data, not memory.
- It scales to many sites. Each office or site gets its own circle, managed from one dashboard.
Setting it up without frustrating your team
The most common complaint about geofencing is "I'm standing in the office and it says I'm outside." That's a GPS accuracy problem, not a people problem, and it's avoidable:
- Pick a sensible radius. 100–200 metres suits most offices. Factories, campuses and sites with weak indoor signal need more.
- Pin the right spot. Put the centre on the building itself, not on the address the map search returns, which is often the road outside.
- Take more than one reading. Good attendance apps sample several GPS fixes and use the best one, and allow a small margin around the circle.
- Keep a fallback. For a site where phones genuinely struggle, a biometric machine at the entrance is a better fit than a bigger circle.
How Punchly does it
In Punchly, each office or site is a unit with its own pin and radius, set by dragging a circle on a map. You choose how strict the check is and whether phone punching is allowed at all for that unit. The app takes several location readings, and someone inside the radius is never blocked just because their phone reported a wide accuracy. Punches from biometric machines at the site skip the check entirely.
Every accepted punch flows straight into late marks, working hours and overtime, so the geofence isn't a separate tool — it's the front door to your payroll data. See the geofence attendance feature for the details.
The bottom line
Geofencing doesn't assume your team is dishonest. It removes the need to assume anything. When every punch carries a time and a place, attendance stops being a matter of trust and becomes a matter of record — and that's fairer for everyone.