SimpleTaxCalculator vs StartupSubmit
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.
StartupSubmit
Submit your Startup to 220+ Directories
community boosts
⚡ 0
pricing
Paid
what it is
Manual directory submission service: We Submit your startup to 220+ trusted directories to boost SEO, backlinks, and AI visibility. From $99.