Honest side-by-side comparisons with the HR software you are probably also looking at.
greytHR is an established payroll brand. wHRMS targets SMBs starting from Excel who want modern self-serve trial and multi-branch UX.
Keka is a strong India HRMS. wHRMS is built for multi-branch SMBs that want branch isolation, attendance-fed payroll and clear ₹/employee pricing.
Zoho People sits in a broad suite. wHRMS is a focused multi-branch HRMS with native Indian payroll coupling.