| What it does | Free calculators for sleep, mental wellbeing, recovery, fitness, nutrition and healthy living
| Free home maintenance tools and guides for homeowners
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
| CA
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| Pricing model | Free
| Free
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| Pricing | Not given
| Not given
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| Key features | - Sleep Cycle Calculator for planning bedtimes based on 90-minute cycles
- Bedtime Calculator to find sleep time based on wake-up time and duration
- Wake-Up Time Calculator based on bedtime and sleep cycles
- Sleep Debt Calculator to estimate missed sleep over a week
- Caffeine Half-Life Calculator to estimate caffeine remaining in body
- How Much Sleep Do I Need Calculator with age-based estimates
- 20 calculator hubs across Sleep, Mind, Body, Family and Lifestyle categories
- Transparent formulas showing the math behind each result
- Evidence-based references citing primary sources
- Editorial and clinical review for sensitive health tools
| - Appliance age decoder for refrigerators, washers, dryers, dishwashers, disposals, water heaters, and furnaces
- Home maintenance budget calculator to estimate annual upkeep costs
- HVAC filter size finder with MERV rating guidance
- Repair vs replace calculator comparing costs and remaining lifespan
- Appliance-specific serial number location guides
- Comparison guides for major home systems
- Appliance lifespan and replacement cost database
- Blog with home maintenance guides and research findings
- Original research data from anonymized appliance-lookup information
- Support for major appliance brands including GE, Whirlpool, Samsung, LG, Frigidaire, and Bosch
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| What makes it different | - Private calculations in browser with no account required or personal data selling
- Transparent formulas and methodology for every calculator
- Evidence-based content citing primary sources not rewrites
- Regularly updated formulas with versioning and review dates
| - Free access with no account required or paywalls
- Serial decoders cross-checked against manufacturer data
- Content dated and sourced from trusted organizations like NAHB, NFPA, DOE, EPA, ASHI, and NAR
- Practical, calm, non-fear-based approach to home maintenance
- Original research published from own appliance-lookup data
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 17 ● no change since last check | 7 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 4 |
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| Citation Flow (Majestic) | 10 | 21 |
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| Referring domains (Majestic) | 16 | 7 |
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WowSleepCalculator
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