THE INTERACTIVE DESK
A little less guesswork.
Useful decisions start with visible assumptions. These tools run in your browser with your inputs or clearly marked examples.
A FIVE-PART CHECKLIST
Before you subscribe ↗
Spot the unknowns in an offer before you commit. No account details required.
YOUR NUMBERS, YOUR SCHEDULEAnnual or monthly? ↗
Find the break-even point using your price quotes and expected months.
MAKE THE MATH VISIBLEThe chart lab ↗
See how runtime changes a ranking. Invented data, transparent arithmetic.
A TWELVE-MONTH VIEWRotate your subscriptions ↗
Keep your everyday favorite. Explore the cost of rotating everything else.
No login. No live catalog feed. No account or payment details collected. The reading queue alone uses local browser storage.