21Builds is a solopreneur in India making simple, affordable apps and digital products that actually help people every day.
Scan, convert, compress and edit documents in one place — camera scan, Office ↔ PDF, merge and password-protect.
Capture pages with the camera or import photos, then clean them up before saving.
Convert between the formats you use day to day.
Shrink PDFs, images and Office files to a size you choose.
Modify pages, combine files and lock PDFs with a password.
₹99one month
₹699one year
$2.99one month
$19.99one year
Home workouts by body part, diet logging with macros, multi-day challenges and streak tracking — built for your phone.
Guided home sessions with prep, work and rest timers — little or no equipment.
Log food and see calories, protein, carbs, fat and water against your targets.
Track consistency, body stats and what you actually trained.
Day-by-day programs with built-in rest days — start, track and clear when you want.
₹129one month
₹999one year
$3.99one month
$29.99one year
