How can we help?
Select the app you need help with and we will point you to the right resources — or get a message straight to the developer.
Select your app
iPhone App · App Store
Seller Profit Calculator
Profit modelling after marketplace fees, delivery and tax for independent online sellers.
iPhone App · App Store
Inventory
Stock and inventory management for independent sellers on iPhone.
PHP Framework · MIT License
FrankPHP
AI-native MVC PHP framework for building multi-tenant business applications.
Before you write to us
Tip: When reporting a calculation issue, it helps to include the sale price, product cost, fee percentages and delivery charge you entered — so the issue can be reproduced exactly.
Send a message
You will receive a reply from the developer directly to the email address you provide. Response time is typically one to two business days.
Before you write to us
Tip: Include your iOS version and the steps you took before the issue occurred — this helps the developer identify and fix problems much faster.
Send a message
You will receive a reply from the developer directly to the email address you provide. Response time is typically one to two business days.
Start with the docs and GitHub
Most questions are answered in the docs. If you have found a bug, opening a GitHub Issue is the fastest route to a fix as it creates a permanent record. Use the form below for anything else.
Send a message
You will receive a reply from the developer directly to the email address you provide. Response time is typically one to two business days.