Mamenza vs Cevren
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 Cevren
| Detail | 
Mamenza | C
Cevren |
|---|
| What it does | Calculate your ovulation, fertile window and next period day-by-day using the medically standardized 14-day luteal phase method.
| Track everything you take. See if it's working.
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| Stage | Not given
| MVP
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| Founded | Not given
| Not given
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| Based in | NL
| US
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| Pricing model | Free
| Free trial
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| Pricing | Not given
| Free during beta testing period.
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| 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
| - Log doses with time-of-day blocks, cycles and specific weekdays
- Automatic sync of Apple Health data including sleep, HRV, heart rate and body composition
- Upload and extract lab panels with markers automatically recognized and grouped by test
- AI-powered insights in plain language about protocol effectiveness
- Photograph supplement labels to automatically extract ingredients and serving sizes
- Generate PDF reports for clinicians summarizing protocol and labs
- Reconstitution calculator for peptide vials
- Smart reminders for doses with press-and-hold marking without opening app
- Weekly Monday report of changes against personal baseline
- Multiple goal modes weighting data differently for recovery, performance, body composition or longevity
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| 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
| - Connects protocols, labs and health data on one timeline to answer whether compounds are working
- Shows working methodology and confidence level rather than invented certainty
- Does not sell supplements, peptides or take affiliate fees
- Most data arrives automatically; only two minutes daily logging required
- Reads 90 days of wearable history automatically on first connection
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 36 ▲ +1 (up) since last check | 18 ● no change since last check |
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| Trust Flow (Majestic) | 28 | 0 |
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| Citation Flow (Majestic) | 29 | 19 |
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| Referring domains (Majestic) | 119 | 6 |
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5 details filled in for both companies.
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