| What it does | Rent vs buy planner showing which option you can afford based on your take-home pay, kids, childcare, cars and debts
| Time duration calculator for hours, minutes, and dates
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| Stage | Not given
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| Founded | Not given
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| Based in | US
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| Pricing model | Freemium
| Free
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| Pricing | Free to build and edit your plan, no account required. The Housing Model Pass adds detailed results for $59 for 12 months, one payment with no automatic renewal and a 14-day refund.
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| Key features | - Compare renting, buying now, buying later, and starter home then upgrade paths
- 30-year wealth comparison across housing paths
- Compare keeping current home as rental or buying a second home
- Plan retirement and early retirement with drawdown analysis
- Printable PDF report of your full plan and analysis
| - Calculate elapsed time between two times or dates
- Handle shifts that cross midnight
- Support for multiple time formats: h:mm:ss, decimal hours, and total minutes
- Account for daylight saving time with timezone selection
- Add up to 20 time spans together
- Run calculations in browser with no data storage
- Pre-calculated common work shifts for reference
- Calculate hours worked with unpaid break deductions
- Show results in multiple formats for different use cases
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| What makes it different | - Runs entirely in your browser with no data uploaded to servers
- All calculations performed locally on your device with inputs never sent to company servers
- Free to build and edit plans; pay only for detailed results and printable reports
- Built by a solo maker for his own rent-or-buy decision with automated math verification
| - All calculations verified against 100+ automated tests before each release
- Handles edge cases like midnight crossings, month-end dates, and daylight saving
- Built by a single developer who personally checks every result
- No server storage or tracking of user inputs
- Comprehensive methodology page explains all calculation rules
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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 | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 6 | 1 |
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| Citation Flow (Majestic) | 12 | 18 |
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| Referring domains (Majestic) | 1 | 2 |
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The Housing Model
Timespanly