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Hyderabad · Founded 2019
Core Strength
How a small Hyderabad gym digitized 5 years of paper records and turned biometric data into trainer payroll.
"Switching from spreadsheets to Kasratbook paid for itself in a week. Our biometric data now actually means something."
Neha Reddy, Owner
Core Strength
Members
650
Branches
1
Setup time
3 days
Payroll accuracy
100%
Late fees recovered
₹84k
The challenge
Core Strength had a fingerprint scanner at the door for years, but the data lived in a CSV that nobody opened.
Trainers were paid based on rough estimates of class attendance, leading to monthly arguments and at least one resignation per quarter.
Late fees were applied inconsistently, costing the gym about ₹15-20k a month in uncollected dues.
What they did
- Imported 650 members and 5 years of biometric attendance into Kasratbook in 3 days.
- Linked biometric attendance to class rosters so each trainer's commission is auto-calculated weekly.
- Configured automatic late-fee rules with a clear member-facing notice 3 days before they kick in.
The outcome
- Trainer disputes about commissions dropped to zero.
- Recovered ₹84k in previously-uncollected late fees in the first 6 months.
- Front-desk staff time dropped 40% since attendance, payments, and member queries all live in one place.