MaxSport is a lightweight tool for fast calculations around sports numbers.
Enter an amount and a decimal ratio to instantly see the result and the difference. Save multiple entries, review them later, and keep everything organized in one place. Works fully offline and never asks for an account.

Instant calculations - amount × ratio with live preview

Smart summary - switch Totals / Averages / Best with a tap

Sport filter - long-press the sport selector to analyze one sport

Currency control - long-press the title to auto-detect or set a code

Clean dark theme - nearly black background with crisp neon accents

Organized list - add, undo, delete, and revisit past entries

Fully offline - no sign-in, no ads, no background activity

Privacy

Local data storage only

No tracking, no analytics, no personal accounts

Notes

For information and education purposes

No real-money features or external services

Does not provide training plans, medical advice, or health tracking