OVERTIME HITS DIFFERENT WHEN YOU CAN WATCH IT GROW.
KNOW EXACTLY WHAT YOUR OVERTIME IS WORTH.
Track your time. Watch your estimated earnings grow in real time. No complicated timesheets. No payroll setup. Just one number that makes the extra hours feel a little better.
NO ADS · NO SUBSCRIPTION
BUILT FOR PEOPLE WHO PUT IN THE HOURS.
Different jobs. Same overtime.
Big Clock was made for anyone who works by the hour—from the people keeping communities safe to the people building, fixing, moving, healing, and powering everything around us.
THE NUMBER THAT MATTERS.
Watch every extra minute pay.
Real-Time Earnings
Your estimated overtime earnings update as you work—down to the second.
Multiple OT Rates
Choose 1.5×, 2×, or 3× and Big Clock does the math.
Live Activity
See your running estimated earnings right on your Lock Screen.
Big Mode
A clean, oversized display when you only want to see the number that matters.
Shift History
Save completed shifts, rename them, and review your overtime history.
Built Simple
No account. No ads. No subscription. No complicated setup.
SIMPLE TO USE. BUILT FOR REAL WORK.
Four steps. You're tracking.
Set Your Rate
Enter your base hourly pay.
Pick a Multiplier
Choose 1.5×, 2×, or 3× overtime.
Start the Clock
Let Big Clock run while you work.
Watch It Grow
See your estimated earnings in real time.
SAME HOURS. BIGGER GOALS.
Overtime is time away from everything else.
Whether the extra shift is paying down a bill, funding a trip, building savings, or just making the long night worth it, Big Clock keeps the payoff right in front of you.
QUESTIONS? CLOCK'S RUNNING.
Frequently asked questions.
How does Big Clock calculate earnings?
Big Clock uses the base hourly rate and overtime multiplier you enter to calculate estimated overtime earnings as the timer runs.
Can I change my base rate and overtime multiplier?
Yes. Set your hourly rate and choose 1.5×, 2×, or 3× overtime.
Does Big Clock work on the Lock Screen?
Yes. Live Activities can show your running estimated earnings on your iPhone Lock Screen.
Are my shifts saved?
Yes. Completed shifts can be saved to history, reviewed, named, and renamed.
Does Big Clock collect my data?
No. Big Clock does not collect data from the app and does not require an account.
Is Big Clock a payroll or timekeeping system?
No. Big Clock provides estimated earnings based on the information you enter. It is not a payroll, tax, or official timekeeping system.
Is there a subscription?
No. Big Clock is a $1.99 one-time purchase with no ads and no subscription.
CLOCK IN. WATCH IT GROW. GET PAID.
Make the extra hours count.
Big Clock: Overtime is available now for iPhone.