| What it does | Free calculators and guides for business, marketing, SaaS, ecommerce, real estate, restaurants and software decisions
| Free Amazon FBA calculators and seller tools with verified 2026 fee rates
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | Not given
| CN
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| Pricing model | Free
| Freemium
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| Pricing | All calculators are free to use with no signup required. Optional paid features available after signing in to save and download reports.
| Free core tools with no signup. Pro plan: $29.99/month or $299/year (save 17%). One-time fee audit service: $299 for up to 50 SKUs, $4 per extra SKU.
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| Key features | - 42 free calculators across ROI, marketing, SaaS, ecommerce, real estate, restaurant and software categories
- Transparent formulas with explanations and examples for each calculation
- Decision-focused results emphasizing practical metrics like ROI, ROAS, profit, margin, payback, CAC and LTV
- Browser-based calculations with optional account signup to save and export reports
- Downloadable and printable reports in multiple formats including PDF, CSV and images
- Practical guides accompanying each calculator with assumptions and business context
- Responsive design optimized for phones, tablets, laptops and desktops
- Popular calculators including SEO ROI, Google Ads ROI, SaaS LTV:CAC, MRR, ARR and NRR metrics
- Covers multiple business use cases including marketing, SaaS, ecommerce, real estate and restaurants
| - FBA Profit Calculator with all hidden fees
- PPC Analyzer for ACOS and ROAS calculation
- Fee Simulator comparing fulfillment methods
- Listing Grader with optimization tips
- Review Analyzer for competitive insights
- Inventory Optimizer with restock alerts
- Cost Tracker for expense management
- Real-time exchange rate conversion updated every 5 minutes
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| What makes it different | - Clear explanations and context instead of just numbers from calculators
- No signup required for basic calculator use
- Consistent interface across all calculators designed for real business decisions
- Educational content showing assumptions and examples for each calculation
- Brings scattered business metrics into one unified platform
| - 50+ free tools with no signup, login or credit card required
- Fee rates verified monthly with open-source data published under CC BY 4.0
- Built by an 8-year Amazon FBA seller addressing real seller pain points
- Supports multiple marketplaces: Amazon US/EU/UK/JP/CA/AU, Temu, TikTok Shop, and Etsy
- Transparent formulas using industry-standard calculations verifiable by users
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▲ +1 (up) since last check | 23 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 8 | 16 |
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| Referring domains (Majestic) | 6 | 10 |
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SolveIndex
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