Frankie

Sayro.tech

About this app

Frankie is a clean, fast toolbox for the small calculations and conversions you do every day — all in one app, with no ads and no sign-up.

Ten handy tools, one tap away:
• Calculator — everyday arithmetic with correct operator precedence
• Percentage — percent of a number, % change, add or remove a percentage
• Unit Converter — length, weight, temperature and volume
• Tip Splitter — split a bill with tip across any number of people
• Number to Words — spell out amounts in the Indian or International system
• Age Calculator — exact age in years, months and days
• World Clock — current time across cities and time zones
• Stopwatch & Timer — a stopwatch with laps and a countdown timer
• Text Case — convert between UPPER, lower, Title, camelCase, snake_case and more
• Word Counter — word, character and reading-time stats

Built to stay out of your way:
★ Ad-free forever — no banners, no interstitials, no "watch a video to continue"
★ Works fully offline — every tool runs on your device
★ Private by design — no account required and nothing you type is sent anywhere
★ Fast & lightweight — opens instantly and stays responsive
★ 11 color themes — all free, in light and dark; follows your system, or pick one and it sticks
★ Favorites & History — pin the tools you use most and reopen past results

Frankie keeps the everyday stuff simple. Download it once, and it's ready whenever you need a quick answer.

What’s new

First release — 10 everyday tools, 11 color themes, fully offline, no ads.