# Chapa Biz > Chapa Biz is a business ledger app for small shops (dukas) in Kenya. It replaces the paper notebook: the owner records sales, expenses, stock and customer debts on a phone, in English or Swahili, and it keeps working with no internet. Made in Kenya by Trillionaire Designs. ## Key facts - What it is: an installable web app (PWA) for Android and iPhone. No Play Store or App Store needed; it installs from the web page. - Who it is for: small shop owners and their workers in Kenya (retail shops, kiosks, mama mbogas, hardware, salons and similar small businesses). - Languages: English and Swahili, including voice entry that understands Swahili, English and common Sheng number words. - Works offline: everything is saved on the phone first, then backed up and synced to a secure server when online. - Price (Kenyan shillings, all features included in every plan): KSh 50 per day, KSh 300 per week, KSh 1,200 per month (about KSh 40 a day). - How to pay and get started: message on WhatsApp +254 182 319 029 (0182319029). - Website: https://chapabiz.co.ke/ ## Features - Sales and expenses: day-by-day list; every edit keeps its full history, nothing is silently changed. - Stock: items in any unit, stock drops with each sale, low-stock warnings, buying prices visible to owner only. - Debts: credit by named customer, part-payments, credit limits, one-tap WhatsApp or SMS payment reminders. - Voice entry: say a sale in Swahili or English, confirm, then save. - Workers: each worker has their own 4-digit PIN and sees only their shop, never buying prices or profit. - Owner alerts: quiet notes when a worker lowers or deletes an amount late, or passes a credit limit. - Reports: profit, best sellers, busiest hours, slow movers, cash count at closing, and a business health report for a Sacco or bank loan application. - Suppliers: what you owe, restock ideas, drafted orders. - Multiple shops: one owner account can hold several businesses and compare them. ## Frequently asked questions - Do I need internet? No. Chapa Biz saves on the phone first and syncs when back online. - Do I need a smartphone? Yes, any Android phone or iPhone with a browser. - Is my data safe? Records are stored on the phone and backed up to a secure server, with full edit history. - Can workers use it? Yes, with an invite code and their own PIN. ## Pages - [Home, features, pricing and FAQ](https://chapabiz.co.ke/): everything above on one page.