SleepFox vs Calk
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 Calk
| Detail | 
SleepFox | 
Calk |
|---|
| What it does | Did I snore, when, and how bad?
| The calorie counter you don't have to live in
|
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| IL
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| Pricing model | Freemium
| Freemium
|
|---|
| Pricing | Campfire Lite: Free. Forever Den: $9.99 (one-time payment).
| Core tracker free forever (food logging, targets, weight entry, weight trend). Annual subscription $49.99/year for daily advice and monthly reports (first month free).
|
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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
| - Monthly Nutrition Report with meal analysis
- Weight trend chart
- Variety Map showing food diversity
- Offline food and weight logging
- No ads or tracking
- Calorie and macro targets
- Daily advice and recommendations
- No kitchen scale required
- Shareable seven-day Variety Map
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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
| - Food logging with a defined endpoint instead of permanent daily tracking
- Changes to familiar meals instead of restrictive diets
- Focus on meal composition over portion reduction
- Transparent data handling with no third-party tracking
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 8 ● no change since last check |
|---|
| Trust Flow (Majestic) | 0 | 14 |
|---|
| Citation Flow (Majestic) | 0 | 24 |
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| Referring domains (Majestic) | 0 | 31 |
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5 details filled in for both companies.
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