Traffic analytics, SEO experiments, UX lessons, and honest founder updates
$28.50 per person from a $142.50 bill. Unequal alcohol split saving friendships. Rounded-up Venmo requests for easy collection. Here's how 3 groups used a tip splitter to divide bills fairly and fast.
$12,000 scholarships lost over 0.02 GPA points. Here's how 3 students used a GPA calculator to keep their funding, get admitted to top schools, and transfer successfully.
$165 in overtime overpayment, $581 in missing freelance invoices, work-study eligibility at risk. Here's how 3 people used an hours calculator to catch costly mistakes before it was too late.
90,000+ people search 'days between dates' every month. Here's how a date calculator helped 3 professionals avoid missing deadlines worth thousands of dollars.
Marathon race strategies, 4-hour workshops, 22-hour international flights. Here's how 3 people used a time calculator to plan perfect timelines when minutes matter.
18 years old on the hire date vs 29 days later. Kindergarten cutoff missed by 9 days. Full retirement at 67 years, 0 months, 0 days. Here's how 3 people used an age calculator to verify eligibility for jobs, school, and Social Security.
1.8 million people search 'percentage calculator' every month. Here's how getting percentages right helped 3 people save money on shopping, negotiate a better raise, and pass a class.
37,000 people search 'how drunk am I' every month. Here's how a BAC calculator helped 3 people avoid DUIs, accidents, and worse decisions.
Posted to Hacker News last night. Got 10x traffic spike (260 visitors vs 21/day baseline). Here's what broke, what worked, and lessons learned building in public.