Perhaps the most compelling aspect of Zust4Help is what it does for . A small bakery that could never afford its own delivery fleet can now offer “delivery via Zust4Help” at checkout. A hardware store can stay competitive against big-box retailers by promising 30-minute delivery of a single lightbulb. Early data from pilot cities showed a 23% increase in same-day sales for participating local shops within three months of joining the app’s “Local Partner” program.