Kiosk, biometric machine or mobile app: which attendance method fits your factory?
By Vinay Kumar, Founder · Published
Most attendance problems in a factory are not software problems. They come from choosing a way of marking attendance that does not fit how people arrive, what they carry and how good the network is. Here is how the three common methods compare, and how to choose.
The three methods in one table
| Kiosk (shared tablet) | Biometric machine | Mobile app | |
|---|---|---|---|
| How a person marks | Employee code + PIN on a tablet at the gate | Fingerprint or face on a wall device | Duty on / off on their own phone |
| Needs a smartphone per worker | No | No | Yes |
| Proves who it was | Knowing the PIN | The body part scanned | The phone, plus location |
| Works for staff away from site | No | No | Yes |
| Cost to start | One Android tablet per gate | One device per gate | Phones staff already have |
| When the network is down | Depends on the software: queue and sync later | Usually stores punches on the device | Depends on the app: queue and sync later |
When a kiosk is the right choice
Choose a kiosk where many people arrive through one entrance at the same time, many do not carry a smartphone into the unit, or phones are not allowed on the floor. A kiosk is cheap to add — one tablet — and every worker uses it the same way. Its weakness is proof: a PIN can be shared. Make PINs personal, show a clear on-screen confirmation of whose punch was recorded, and check the daily attendance against the people a supervisor actually saw.
When a biometric machine is the right choice
Choose a biometric device where proxy attendance ("buddy punching") is a real problem and the workforce is stable enough to enrol everyone. Fingerprint readers struggle with hands that are worn, cut or covered in flour, dust or oil — common in mills and workshops — so plan a fallback for the people the machine will not read. If you already own machines, keep them: what matters is that their punches reach the same attendance record as everything else.
When a mobile app is the right choice
Choose a mobile app for anyone who does not start the day at the gate: salesmen, delivery drivers, service technicians, staff at small branch sites. A geofence around a site stops a punch from home counting as a punch at work. For people on the road, the app is the only method of the three that records where the work happened.
Most factories need two of the three
Whatever the mix, insist on one thing from the software: all methods land in ONE attendance record with the same shift, late-mark and overtime rules. Two registers that are reconciled by hand at month end is where salary disputes come from.
- Plant with a delivery teamKiosk or biometric at the gate for the floor; mobile app for drivers and salesmen.
- Plant with many contract workersKiosk for contract labour who change often; biometric for permanent staff already enrolled.
- Several small sitesMobile app with a geofence per site, a kiosk at the biggest one.
Five questions to ask before you buy
- What happens when the internet drops?Ask to see a punch made offline arrive later with its original time.
- Can different methods be mixed?One record for kiosk, machine and app — not three reports.
- How are night shifts counted?A 10 pm to 6 am shift should be one working day, not two halves.
- Who can change a punch, and is it recorded?Corrections should go through a request and an approval with a name on it.
- Does it feed payroll directly?If someone has to re-type days into a salary sheet, errors will follow.
How OpsX does it
OpsX supports all three: OpsX Kiosk on a shared Android tablet with code and PIN, punches from biometric terminals, and the OpsX Partner app with a geofence. Phones and kiosks queue punches when the network is down and send them later with the original time, and every method lands in one attendance record that feeds payroll.
Questions
Is a kiosk less secure than a biometric machine?
A PIN can be shared and a fingerprint cannot, so a biometric device is stronger proof of who punched. A kiosk is easier to roll out and works for people a fingerprint reader cannot read. Many factories use both.
Can attendance work in a factory with poor network?
Yes, if the software stores punches on the device and sends them later with the original time. Ask for a demonstration with the network switched off.