It's not about who gives more dollars. It's about who gives more of what they have.
Enter each sibling's monthly income and contribution to your parents. See the real fairness picture in 30 seconds.
Sibling first name Monthly income Monthly contribution to parents
$
$
$
$
🔒 Numbers never leave your browser. The shareable card shows only first names and percentages — never income amounts.
Proportional Burden formula: Contribution ÷ Income × 100
Transparent user-input calculation — no external data, no assumptions