CobraMatic

CobraMatic とは？

CobraMatic helps freelancers and small business owners manage overdue payments and send professional payment reminders through WhatsApp — without spreadsheets, sticky notes, or expensive software. Add your clients, set the amount and due date, choose a message template, and send a personalized reminder in one click. Every message is automatically logged so you always know who you've contacted and when. No email registration. No credit card. No limits. Just open it and start.