SimplySend - Free Estimates/Invoices from FieldPulse

Designed specifically for contractors to create, send, and manage
estimates, invoices, payments, and customers – from anywhere. https://www.simplysend.com

Build digital estimates and invoices quickly while you’re in the field
Create, customize, and send beautiful PDFs – sign on the spot or email to your customer
Manage cash flow by keeping tabs on opportunities and invoices
Collect Payments in the Field or Online with FieldPulse Payments

Features available in SimplySend:
Free app with 2.9% rate for all credit card transactions, swiped or keyed in.
Available on iOS, Android, and WebApp
Send PDF Invoices/Estimates by Email
Attach Custom Contracts
Online Signature and Mobile Signature
Mobile Payments and Online Payment Requests
Invoice Item Repository (and import)
Customer Profiles (import and export)
Templated Emails
Photo & File Attachments
Cloud Data Storage
QuickBooks Integration
Cost & Profit Tracking
Reporting
Super customizable