Marketing-Rechner vs Period Tools

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

Marketing-Rechner compared with Period Tools
Detail	Marketing-Rechner	Period Tools
What it does	Free marketing calculators for ROI, ROAS, customer lifetime value and profitability metrics	Free, accurate cycle and period predictor
Stage	Established	Startup
Founded	2018	2026
Based in	CH	Not given
Pricing model	Free	Freemium
Pricing	Not given	All calculators and guides are free. Period Tools Pro (optional): $4.99/month or $19.99/year.
Key features	40 marketing calculators across 7 topics Google Ads click price study for 38 industries Local browser calculation with no data transmission 24 knowledge articles and 37-term glossary Support for EUR, CHF and USD currencies Metrics linked across calculators for integrated analysis	Predicts next 6 periods Calculates ovulation day Identifies fertile window Private on-device tracking Cloud sync for Pro subscribers No signup required
What makes it different	Avoids inflated benchmarks; provides honest assessments for decision-making Regional focus on DACH countries with specific data	No data collection or server storage Uses standard medical calculation methods Honest about limitations and accuracy No aggressive marketing tactics
Community votes	0	0
DR (Domain Rating by Ahrefs)	2 no change since last check	15 no change since last check
Trust Flow (Majestic)	0	20
Citation Flow (Majestic)	24	9
Referring domains (Majestic)	67	77

6 details filled in for both companies.