VenderCerto

VenderCerto is a profit margin calculator and financial management tool for small sellers. The app calculates the actual profit of each sale, considering channel commission, shipping, taxes, packaging, and allocated fixed costs. The result is saved in the history for later consultation and export.

FEATURES

— Margin calculation per product, with detailed breakdown of commission, shipping, tax, packaging, and allocated fixed costs
— Reverse pricing: enter the desired margin and the app returns the corresponding selling price
— Bulk calculation: import a product list (Excel or paste) and process in batch
— Unlimited calculation history, filtered by channel, product, and date
— Monthly income statement automatically generated from the month's calculations
— Cash flow with inflows, outflows, and projection for the next 30 days
— DIFAL (Differential Tax Rate) calculator for interstate sales
— Tax Substitution calculator by NCM (Brazilian Customs Nomenclature) code
— Tax calendar with obligations by tax regime
— Comparative simulator of tax regimes: Simples Nacional (Simplified National Tax Regime), MEI (Individual Microentrepreneur), Lucro Presumido (Presumed Profit), and Lucro Real (Real Profit)
— Export of calculations and reports in PDF and Excel
— Company registration with tax regime, rates, and fixed costs
— Configuration by channel: commissions, payment terms, and rules Specifics
— Works offline after the first login

SUPPORTED SECTORS AND CHANNELS

— Marketplace: Mercado Livre, Shopee, Amazon, Magalu, TikTok Shop, Shein
— Physical store: POS terminal configuration (credit, debit, installments)
— Delivery: iFood, Rappi, 99Food, WhatsApp

Under development: Services, Own Production and Transportation.

LOGIN

Login by email and password or social authentication with Google. Password recovery by email.

USE WITHOUT REGISTRATION

The app can be used without creating an account, with data stored only locally on the device. No synchronization between devices in this mode.

PRIVACY AND DATA

Registration and calculation data are stored on a server with encryption in transit and at rest, or only on the device when used without registration. The app does not share personal data with third parties for marketing purposes. Usage analysis is done in an aggregated way and the user can revoke consent in the settings.

The user can export all data in PDF and Excel formats or request complete account deletion directly in the app (Settings → Privacy and data) or through the public page vendercerto.com.br/excluir-conta. The app complies with the General Data Protection Law (LGPD).

REQUIREMENTS

Android 7.0 or higher. Internet connection is recommended for synchronization and export.

CONTACT

Email: contato@vendercerto.com.br
Instagram: @vendercerto.app
Website: vendercerto.com.br