| What it does | Free party calculators, checklists, and printables for any occasion
| Independent calculator to check if a home battery pays for itself in your situation
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| NL
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| Pricing model | Free
| Free
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| Pricing | Completely free with no subscriptions, hidden fees, or premium tiers.
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| Key features | - Pizza and cake calculator for estimating quantities
- Chicken wing calculator with sauce estimations
- Drink calculator for alcohol, soda, and mixed drinks
- Charcuterie board calculator for meats, cheeses, and crackers
- Party budget tracker and allocator
- Party planning checklist and timeline
- Printable party templates and bingo cards
- Occasion-specific planning hubs for birthdays, graduations, and holidays
- Taco bar and setup planning with guest count support
| - Compares battery models from 23 brands on payback time and net result after 15 years
- Calculates with real hourly EPEX prices for dynamic energy contracts
- Processes the end of net metering from 1 January 2027
- Provides negative buying advice if purchase is not worthwhile
- No account or email required
- Generates 10-page PDF advice report with lowest prices from 11 shops
- Free 22-page PDF handbook about home batteries
- Analyzes consumption and solar generation hour by hour for full year
- Three scenarios: pessimistic, most likely and optimistic outcomes
- Updates prices from 11 online shops every morning automatically
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| What makes it different | - Over 51 calculators for precise food and supply quantities
- 100% free with no subscriptions or hidden fees
- No account signup required; data saved locally on device
- Occasion-specific planning paths for birthdays, graduations, seasonal holidays, and casual gatherings
| - Truly independent: sells no batteries, has no arrangements with installers, publishes negative buying advice
- No personal data collection: zero signup required, immediate results without email
- Built from personal need: creator did his own calculations after a misleading sales pitch
- Comprehensive research: 384 example households analyzed in 26,112 calculations
- Shows all calculation assumptions: transparent methodology with public data sources
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 31 ● no change since last check | 16 ● no change since last check |
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| Trust Flow (Majestic) | 16 | 18 |
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| Citation Flow (Majestic) | 34 | 24 |
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| Referring domains (Majestic) | 555 | 18 |
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