Luna Bloom vs Harp
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Luna Bloom compared with Harp
| Detail | LB
Luna Bloom | 
Harp |
|---|
| What it does | A calm monthly guide for period timing, ovulation, and cycle planning
| Private health records on your device
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Not given
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| Key features | - Next period forecast with estimated date and timing
- Ovulation date estimation
- Fertile window calculation
- Adjustable cycle length and period length
- Bilingual interface in English and Chinese
- Planning tools for travel, workouts, and routines
- Late period calculator tool
- Irregular period cycle calculator
- Body tracking and notes capability
| - Record health events, observations, measurements and reports
- Select and share only what's needed
- No accounts or servers required
- Plain text files in Org Mode format
- Sync only if you decide to, using tools you trust
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| What makes it different | - Calm, gentle interface designed for ease and regular return visits
- Comprehensive monthly view showing period, ovulation, and fertile window in one place
- Educational planning tool paired with guidance to seek medical care when needed
- Support for irregular cycles with range view
- Practical focus on dates and timing people need most for planning
| - On-device by default with no analytics or profiteering from health data
- Files you own in standard Org Mode format that you can inspect, back up or migrate
- Cross-platform plain text storage fully under your control
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | 31 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 1 | 19 |
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| Citation Flow (Majestic) | 16 | 19 |
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| Referring domains (Majestic) | 3 | 22 |
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4 details filled in for both companies.
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