SleepFox vs PeriodlyWise
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
SleepFox compared with PeriodlyWise
| Detail | 
SleepFox | 
PeriodlyWise |
|---|
| What it does | Did I snore, when, and how bad?
| Privacy-first cycle tracking for period, ovulation, and fertility estimates
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | Not given
| Not given
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| Pricing model | Freemium
| Free
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| Pricing | Campfire Lite: Free. Forever Den: $9.99 (one-time payment).
| Not given
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| Key features | - On-device snore detection with machine learning model
- Snore Score and timeline of snoring events
- Playback of snore clips
- Last 7 nights history (Lite) or unlimited history with trends (Den)
- PDF and audio export for doctor sharing
- Fox Nudge gentle buzz alert after 2 minutes of snoring
- Health Connect sync and home-screen widget
| - Estimate next period date and period window
- Calculate ovulation timing and fertile window ranges
- Save period records to private account
- View cycle history and compare patterns
- Share results as image or text summary
- Print results or save as PDF
- Add calendar reminders for upcoming dates
- Install as progressive web app
- Multilingual support
- Track irregular cycles with history-based projections
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| What makes it different | - No account, no subscription, no ads required
- All audio processing happens on your phone with no uploads
- Pay once, keep forever pricing model
- Android app has no internet permission for privacy
| - Privacy-first design that doesn't track or invasively collect sensitive information
- Shows estimate ranges instead of false precision
- Optional account features—basic tools work without sign-up
- Clear medical disclaimers and educational focus, not medical device claims
- Installable as app without requiring app store download
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 3 |
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| Citation Flow (Majestic) | 0 | 22 |
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| Referring domains (Majestic) | 0 | 6 |
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4 details filled in for both companies.
More alternatives to SleepFox More alternatives to PeriodlyWise