API Usage Costs
Managing API costs is critical for app developers.
Mobile invoicing for Tech
Invoice app for App Developers
InvoiceXpress gives app developers access to quotes and invoices from the app, customer payment requests, expenses and receipt capture from an app for iOS and Android.
iOS and AndroidQuotes, invoices and records
The administrative work
Keep the details around each job clear
App Developers often need to account for API usage costs and sprint-based billing. InvoiceXpress connects the customer, quote, invoice, payment and supporting records used for that work in an app for iOS and Android.
Sprint-Based Billing
InvoiceXpress makes it easy to invoice clients based on sprint cycles, ensuring accurate billing throughout the development process.
Client Communication
Clear communication is key in app development.
Relevant features
InvoiceXpress tools for App Developers
These capabilities are selected for the workflow described on this page.
Quotes and invoices from the app
Create, edit, preview and send quotations and invoices on iOS or Android. Convert an accepted quotation into an invoice without re-entering its customer or line items.
Customer payment requests
Request a full balance, percentage or exact amount, and provide a customer payment link or scan-to-pay QR code.
Expenses and receipt capture
Record business expenses, attach receipt images or PDFs, and use receipt extraction for merchant, amount, date and suggested category details.
A practical sequence
From job details to customer documents
Prepare the app developers quote
Select or add the customer, reuse saved services or materials, enter the scope and pricing, then review the quotation preview.
Deliver the customer document
Email the quotation or invoice with relevant attachments, or share its customer page through the device share sheet.
Keep the related record current
Use the selected expenses and receipt capture tools alongside document activity, payment and balance records.
Explore related workflows
Invoice app pages by industry
FAQ
Invoice app questions for App Developers
How can app developers create and send invoices from a phone?
App Developers can create, preview and send quotations or invoices in InvoiceXpress on iOS or Android. An accepted quotation can also be converted into an invoice without re-entering its customer and line items.
What can app developers include in a quotation?
A quotation can include customer details, scope notes, reusable services or materials, quantities, units, taxes, discounts, photos and payment terms. Review the finished document before sending it.
Can a customer receive a payment request?
Yes. InvoiceXpress can request the full balance, a percentage or an exact amount through a customer payment link or scan-to-pay QR code.
Available on iOS and Android
Keep app developers invoicing in the app
Create customer documents, record payments and expenses, and review business activity from iOS or Android.