ZenCal

Poland-basedCalendar scheduling toolVerified TrustMRRActive 2026
SaaSActiveScheduling
MRR / Revenueest
$20K+
MRRest
$20K/mo
Growthest
+10% MoM
Product
Calendly alternative — scheduling

ZenCal — Net Worth and Career Earnings

ZenCal is a Polish scheduling and calendar booking tool — a Calendly alternative — generating over $20,000 in monthly recurring revenue. It is one of the most successful Polish indie SaaS products and demonstrates that European indie hackers can compete in global scheduling markets.

Revenue

MRR
$20K+
ARR
~$240K
Product
Scheduling and calendar tool
Country
Poland

Product

Category
Scheduling / calendar
Target
Freelancers and small business
Model
SaaS
Competition
vs Calendly
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