| What it does | Free, accurate cycle and period predictor
| Free home maintenance tools and guides for homeowners
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| Stage | Startup
| Startup
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| Founded | 2026
| 2025
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| Based in | Not given
| CA
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| Pricing model | Freemium
| Free
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| Pricing | All calculators and guides are free. Period Tools Pro (optional): $4.99/month or $19.99/year.
| Not given
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| Key features | - Predicts next 6 periods
- Calculates ovulation day
- Identifies fertile window
- Private on-device tracking
- Cloud sync for Pro subscribers
- No signup required
| - 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 | - No data collection or server storage
- Uses standard medical calculation methods
- Honest about limitations and accuracy
- No aggressive marketing tactics
| - 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) | 15 ● no change since last check | 7 ● no change since last check |
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| Trust Flow (Majestic) | 20 | 4 |
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| Citation Flow (Majestic) | 9 | 21 |
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| Referring domains (Majestic) | 77 | 7 |
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Period Tools
TidyBoss