| What it does | Free Mifflin-St Jeor calculator that shows every step of the equation
| Snap a photo to check what something is worth based on current listings
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Free: 1 scan per day on website, 3 scans total on iPhone app then 1 per week. Premium Weekly: $4.99 per week. Premium Yearly: $29.99 per year with 3-day free trial.
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| Key features | - Shows full equation working with step-by-step substitution
- Multiple activity levels from sedentary (×1.2) to extra active (×1.9)
- Katch-McArdle calculator using body fat percentage
- Step-based TDEE estimation
- Adaptive TDEE calculator from weight changes
- Embeddable calculator iframe
- Metric and imperial unit switching
- Comparison with other equations like Harris-Benedict
| - Photo identification using AI for brand, model and condition
- Real-time listings from Google Shopping and eBay
- Price range with confidence levels based on listing data
- Condition adjustment that updates price in real time
- Specialist catalogues for coins, banknotes and trading cards
- Live metal prices for gold and silver
- Up to three photos per scan for detailed matching
- Collection tracking to monitor item values over time
- Labeled rough estimates when live listings are insufficient
- Full transparency with access to actual live listings and photos
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| What makes it different | - Shows all working so users can verify the math themselves
- Uses the most accurate equation for healthy adults
- Multiple calculation methods beyond basic equation
- Transparent about accuracy limitations and sources
- Completely free with no tracking or cookies
| - Uses current marketplace listings instead of AI training data or memory
- Shows confidence levels and actual proof you can verify yourself
- Filters out outlier listings to avoid inflated or deflated prices
- Covers specialized markets like coins and trading cards with expert sources
- Never invents numbers when data is insufficient
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 16 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 16 | 0 |
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| Referring domains (Majestic) | 3 | 0 |
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TDEE Steps
How Much Is It Worth