Review the various subscription options and select the one that best fits your needs.

Free Trial


  • 60-day free trial.
  • No credit card required
  • Unlimited Aircraft
  • Help center access
Sign up for free

SIFL Calculators


  • Single User
  • Unlimited Aircraft
  • Email and text support
  • Help center access



  • Single User
  • Unlimited Aircraft
  • Priority email and text support
  • Help center access

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Free Trial SIFL Pro Enterprise
Unlimited Aircraft
Section 280F Qualified Business Use Calculations
SIFL Calculations and Amounts
Section 274 Entertainment/Commuting Disallowance Percentages
SEC Incremental Cost Tracking
Upload Flight and Passenger Logs via CSV Format
Unlimited users
Enhanced text and email support
Best for Individual Owners/Family Offices
Best for Accounting/Professional Firms