nanoeconomics.io
The economics of everyday prices, observed one snap at a time.
Buy on Budget (B0B) is a community price registry: anyone can photograph a price tag, and the reading is mapped, aggregated, and published — from ZIP code up to country and economic bloc.
How it works
Snap a price tag → the app reads item, price, and unit → you confirm → it appears on the public map (privacy-guarded: homes are never shown, photos expire in 7 days).