SimpleTaxCalculator vs upcell
Neck and neck on boosts. Profiles, pricing and deals below.
SimpleTaxCalculator
Free US Tax Tools 2026
community boosts
⚡ 0
pricing
Freemium
what it is
Free US tax calculators for sales tax, property tax, inheritance tax, gas tax, and self-employment tax. State-specific rates updated for 2026. No signup required.
upcell
One sales data platform
community boosts
⚡ 0
pricing
Paid
what it is
Consolidate your sales data tools in one browser extension, lower software costs, and book a tailored walkthrough.