Mamenza vs JanusMed

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Mamenza compared with JanusMed
Detail	Mamenza	JanusMed
What it does	Calculate your ovulation, fertile window and next period day-by-day using the medically standardized 14-day luteal phase method.	Your Health Data. Your Device. Your Control.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	NL	Not given
Pricing model	Free	Freemium
Pricing	Not given	Free plan: $0/month, up to 50 exams. Monthly plan: $6/month, up to 200 exams (coming soon). Yearly plan: $57.60/year ($4.80/month, coming soon), up to 200 exams.
Key features	Calculates ovulation date based on cycle length and luteal phase method Predicts 6-day fertile window Forecasts next period date Displays 3-month cycle preview Customizable cycle length input Identifies highest fertility days Guidance for irregular cycles	Share metrics and records with doctors No account required to start using
What makes it different	Uses medically standardized 14-day luteal phase method per Wilcox 1995 and ASRM 2023 Completely free to use Part of comprehensive pregnancy and family planning platform	Works offline by default with data stored only on your device End-to-end encrypted when syncing to cloud No email or account required to start using immediately Full data export capability in standard formats Never sells your data or uses it for advertising
Community votes	0	0
DR (Domain Rating by Ahrefs)	36 +1 (up) since last check	5 +1 (up) since last check
Trust Flow (Majestic)	28	2
Citation Flow (Majestic)	29	14
Referring domains (Majestic)	119	10

4 details filled in for both companies.