Sell Smarter & Collect Every Cent Owed
Stop losing track of stock and chasing debts. Manage your shop, track who owes you, and send reminders in one tap.
Real-time inventory tracking for your WhatsApp and market shop items.
Trusted by market and WhatsApp sellers
Built for solo vendors and stall owners who balance customer friendships with on-time payments.
Four simple screens to run your business
StockSisi turns your messy WhatsApp sales into a clean, organized shop. Track stock, manage debts, and get paid faster.
30 inch bone straight
Bone Straight
5 in stock
Ankle Boots
0 in stock
Lip Gloss
12 in stock
30 inch bone straight
Ankle boots size 6
Lip gloss kit
Kids summer wear
Ready to collect your debts?
Start tracking your sales today. One collected debt pays for the app for a year.
Collect what is yours without the awkward back-and-forth.
Stop losing thousands of Rands to forgotten notebook promises. Follow four simple steps built for busy WhatsApp sellers.
Log customer sale in 10 seconds
Snap product photo, pick customer, and enter amount received. If they pay half or promise month-end, the debt logs instantly.
Track balances without notebooks
See exactly who owes you, what item they took, and how many days overdue they are in one clean, color-coded debt list.
Tap once to send polite WhatsApp reminder
No awkward typing or ruined friendships. StockSisi drafts a courteous, ready-to-send reminder right inside WhatsApp.
Mark paid and restock with confidence
When funds hit your account or cash is handed over, tap settled. Your inventory and cash flow stay 100% synced.
StockSisi OS
Debts Screen #4
Amina K.
30 inch bone straight hair
R250 owed
6 days overdueClear Records
No lost sheets
Polite Nudge
Friendly tone
Fast Payout
Paid back sooner
Plans that pay for themselves
Collect just one debt and the app pays for itself. Start free or upgrade for unlimited growth.
Starter
Perfect for testing the waters with your first 20 products.
Forever free
Pro Seller
BEST VALUEUnlimited stock tracking and automated debt collection tools.
Billed yearly
Lifetime
ONE-OFFPay once and own your business tools forever. No monthly fees.
Billed yearly
Built for WhatsApp sellers. Need help getting started? Contact our team
Stop losing money. Track stock and collect debts easily.
StockSisi helps WhatsApp sellers manage inventory and get paid on time. Stop guessing what is left and start collecting what you are owed today.