Best Easy Invoice Maker Apps for Small Businesses

Discover easy invoice maker apps for small businesses that help you create professional invoices, send them from the field, accept digital payments, and track overdue balances. SolvPro connects invoicing with estimates, work orders, job costing, and customer records, giving growing service businesses a simpler way to reduce administrative work and get paid sooner.

Small business owner creating an invoice on a mobile app

Our Invoice Maker App Services

Create invoices, connect billing to jobs, accept payments, and maintain clear financial visibility from one platform.

Mobile Invoicing

Create and send invoices directly from the field, use a branded online payment experience, and track overdue balances through integrated billing workflows.

Digital Estimates

Build professional estimates and online proposals, collect digital signatures, monitor approvals, and convert approved estimates into jobs without duplicate data entry.

Work Order Billing

Connect job notes, images, materials, change orders, and job history with customizable quotes and invoices so office and field teams share the same information.

Payment Processing

Offer customers credit card and ACH payment options through an integrated payment workflow, with usage-based charges applying to card and ACH processing.

Job Cost Tracking

Review labor and material costs, job profitability, crew performance, and operational trends with real-time analytics and QuickBooks Online sync.

Customer Communication

Keep clients informed and engaged with communication tools that support transparency, feedback, and bilingual customer communications.

Simple Billing Workflows

Make Invoicing Easier for Your Business

The easiest invoice maker app is one that fits the way your business already works. SolvPro lets service businesses create invoices from the field, connect billing to jobs, accept credit card and ACH payments, and see overdue invoices in real time. With estimates, work orders, job costing, and payments together, your team can spend less time on administration and get paid sooner.

Field service worker sending an invoice from a smartphone
The SolvPro Difference

Why Choose SolvPro?

SolvPro combines easy invoicing with the operational tools small service businesses need to run with less chaos.

Easy Setup

No complicated setup or steep learning curve; guided onboarding helps teams start using the platform confidently.

Field Ready

Built for businesses with crews in the field, so invoices and job details stay accessible where work happens.

Bilingual Access

A fully bilingual English and Spanish interface helps office staff and field crews stay aligned.

Connected Tools

QuickBooks Online sync and NMI payment processing are built into the core platform without unnecessary add-ons.

Meet The SolvPro Team

A practical team building simpler tools for hardworking service businesses.

Portrait of Scott J. Terrell, Founder and CEO of SolvPro

Scott J. Terrell

Founder & CEO

Scott J. Terrell is the Founder and CEO of Solvrix, the company behind SolvPro. With decades of experience across a wide range of industries, Scott has a proven track record of building robust solutions for small to medium-sized businesses as well as large corporations. He has a unique talent for finding simple, effective answers to complex business problems—giving smaller enterprises a meaningful competitive advantage. Scott's leadership at SolvPro is rooted in his belief that powerful software should be accessible and practical for every hardworking business owner. Outside of his professional life, Scott values time with family and friends, community volunteering, and fishing.

Portrait of Kai Stanton, Technical Sales Specialist at SolvPro

Kai Stanton

Technical Sales Specialist

Kai Stanton serves as Technical Sales Specialist at SolvPro, bringing 17 years of hands-on construction industry experience to his role. Having worked as a project manager, salesperson, estimator, and installations expert, Kai understands exactly what service businesses need to run smoothly. At SolvPro, he acts as the critical bridge between end users and the engineering team, translating real-world operational challenges into smart, flexible software features. His deep familiarity with the SolvPro workflow makes him a go-to resource for clients seeking practical, grounded solutions. Outside of work, Kai enjoys spending time with his wife and two daughters, playing basketball, and volunteering in his community.

Portrait of Justin Pease, Product Manager at SolvPro

Justin Pease

Product Manager

Justin Pease is the Product Manager at SolvPro, bringing over 25 years of technology experience to the role, including 15+ years leading product and engineering teams at VC-backed startups. His career spans the development, support, and scaling of products ranging from user-friendly SaaS applications to powerful backend infrastructure systems. At SolvPro, Justin applies this deep expertise to simplify and streamline operations for service businesses, ensuring that every product decision is grounded in real user needs. He is committed to making complex workflows accessible and efficient for field service teams. Outside of work, Justin enjoys mountain biking, hiking Idaho's trails with his wife and two dogs, and volunteering in his community.

Portrait of Taylor SaBell, Senior Software Engineer at SolvPro

Taylor SaBell

Senior Software Engineer

Taylor SaBell is a Senior Software Engineer at Solvrix, the company behind SolvPro. His passion for technology began in childhood, and he was already working in software before his senior year of high school. Taylor brings a strong commitment to code quality, platform security, and user experience to every project he undertakes. His technical contributions help ensure that SolvPro remains a reliable, secure, and intuitive tool for service businesses across the country. Taylor's dedication to craftsmanship drives continuous improvement in the platform. Outside of work, he enjoys playing basketball, creating art, exploring history, and connecting with new people.

Portrait of Aishwarya Vellanki, UI/UX Designer at SolvPro

Aishwarya Vellanki

UI/UX Designer

Aishwarya Vellanki is the UI/UX Designer at SolvPro, specializing in making powerful systems intuitive and easy to use for everyday users. She brings a rare combination of design expertise and firsthand small business experience, giving her a genuine understanding of how the right tools can transform the way a business operates. At SolvPro, Aishwarya ensures that every interface is thoughtfully crafted to reduce friction and empower users from day one. Her work is central to SolvPro's commitment to simplicity without sacrificing capability. Outside of work, she experiments in the kitchen, plays pickleball, and embraces new experiences through international travel.

Portrait of Chase Seidel, Fullstack Developer at SolvPro

Chase Seidel

Fullstack Developer

Chase Seidel is a Fullstack Developer at SolvPro with a sharp eye for detail and a passion for building software that is both scalable and user-friendly. He works across the entire technology stack—architecting reliable backends and refining front-end interfaces—to ensure the platform performs seamlessly for service businesses in the field. Chase is continuously driven by curiosity and a commitment to improving workflows and elevating the overall user experience. His meticulous approach to development helps keep SolvPro robust, responsive, and ready for the demands of growing businesses. Outside the office, Chase stays active through volleyball, skiing, hiking, and regular gym sessions.

Portrait of Cristina Escot, Translator at SolvPro

Cristina Escot

Translator

Cristina Escot serves as Translator at SolvPro, playing a vital role in the platform's fully bilingual English and Spanish experience. Deeply connected to both languages and cultures, Cristina is passionate about bridging communication gaps that help service-based businesses thrive in diverse markets. Her work ensures that SolvPro's interface, documentation, and support resources are equally accessible and effective for English- and Spanish-speaking office staff and field crews alike. Cristina understands that language should never be a barrier to running a great business, and her contributions reflect that commitment every day.

Frequently Asked Questions

What is the best free invoice maker app?

The best free invoice maker app depends on the features your business actually needs. A useful option should make it easy to create professional invoices, send them from the field, accept payments, and track overdue balances. SolvPro offers a 14-day free trial with no credit card required, allowing small businesses to evaluate its invoicing and field service workflows before choosing a plan.

Can I create invoices from my phone?

What payment methods can customers use?

Can an invoice app connect invoices to estimates and jobs?

Does SolvPro sync with QuickBooks Online?

Is the invoice maker app available in Spanish?

How much does an invoice maker app cost?

Can I cancel SolvPro whenever I want?

Still Comparing Invoice Maker Apps?

Talk with the SolvPro team about simplifying invoicing and field operations.

Make Small Business Invoicing Simpler

Tell us about your workflow and discover how SolvPro can connect jobs, invoices, and payments.

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