5 Best Estimate and Invoice Apps for Contractors

An estimate and invoice app for contractors is a tool that lets you create detailed job quotes, send professional invoices, track payments, and manage client billing, all in one place. These apps are built specifically for contractors, so they handle project-based pricing, labor and material costs, tax calculations, and even payment reminders. They replace manual spreadsheets and paperwork, save time, reduce errors, and ensure you get paid faster while keeping every project’s financials organized. In this post, we’ll review the five best estimate and invoice apps that help contractors streamline their billing and quoting process.

Key Takeaways

• Choosing the right estimate and invoice app helps contractors save time, reduce errors, and get paid faster.
• The best tools combine mobile access, automation, and online payments to streamline every stage of a project.
• Contractor-focused features like job costing, progress billing, and client management make a big difference in daily operations.
• Each app reviewed offers unique strengths, but the ideal choice depends on your workflow and business size.
• DepositFix stands out as the most complete solution thanks to its automation, CRM integration, and seamless payment options.

What Is an Estimate and Invoice App for Contractors

An estimate and invoice app for contractors is a specialized software tool designed to simplify the financial side of running a contracting business. These apps allow contractors to create accurate, professional estimates for clients, detailing labor, materials, and any additional costs before a project begins. Once the work is completed, the same platform can generate invoices, track payments, and send reminders to clients, ensuring timely billing and reducing the risk of lost revenue. 

Unlike generic accounting software, contractor-focused apps often include features tailored to the unique needs of tradespeople, such as job costing, progress payment, mobile access on job sites, tax calculations, and integration with payment gateways. Some even allow you to store client information, manage multiple projects simultaneously, and generate reports to track profitability and project performance. 

These apps consolidate estimates, invoices, and payments in a single platform, save time, minimize errors, and help contractors maintain professional communication with clients, ultimately making the business more organized and financially efficient.

Why Contractors Need to Have an Estimate and Invoice App

Contractors juggle multiple projects, clients, and payments at once, making accurate estimates and timely invoicing important for running a profitable business. An estimate and invoice app simplifies this process, helping contractors stay organized and professional.

This estimate and invoice software allows you to:

• Create professional, accurate estimates quickly: Instead of manually calculating costs or writing estimates by hand, contractors can generate precise, professional-looking quotes in minutes. This helps clients understand exactly what they’re paying for, reduces disputes, and increases the chances of winning the job.
• Generate and send invoices directly to clients: Apps allow you to convert estimates into invoices with just a few clicks. Sending invoices digitally not only speeds up payment but also ensures your billing is consistent and error-free.
• Track payments and send automatic reminders: Never lose track of unpaid invoices. These apps can automatically notify clients about overdue payments and give you a clear overview of which invoices are pending, partially paid, or completed.
• Manage multiple projects and clients in one place: Contractors often handle several jobs at once, each with different timelines, budgets, and requirements. An app consolidates all projects, clients, and billing details in a single dashboard, making it easy to stay organized and prioritize work.
• Calculate labor, materials, and taxes with ease: Many apps automatically calculate labor hours, material costs, taxes, and even discounts. This reduces the risk of miscalculations that can eat into profit margins and ensures your estimates and invoices are always accurate.
• Access project and financial data on the go via mobile: With mobile access, you can update estimates, send invoices, or check payment status directly from the job site. This eliminates the need for paperwork and allows real-time updates for clients and your team.
• Reduce errors and save time compared to manual methods: With automated calculations and record-keeping, contractors avoid common mistakes like double entries, miscalculations, or lost paperwork. This saves hours each week that can be spent on actual project work.
• Monitor profitability and project performance with reporting tools: Detailed reports let you track which projects are most profitable, compare costs versus revenue, and identify trends that can improve your business strategy over time.
• Improve client trust and professionalism: Providing detailed estimates and timely, accurate invoices demonstrates reliability. Clients are more likely to trust contractors who present information clearly and handle billing professionally.
• Streamline communication with clients and team members: Some apps allow clients to approve estimates or pay invoices online, reducing back-and-forth emails or phone calls. They can also help coordinate with subcontractors, suppliers, and your own team and keep all project and payment details in one place.
• Support business growth and scalability: With all financial and project data organized, these apps help contractors plan for growth, take on more jobs without losing control, and scale operations efficiently.

5 Best Estimate and Invoice Apps for Contractors

Choosing the right estimate and invoice app can make a huge difference for contractors, saving time, reducing errors, and helping you get paid faster. With so many options available, find software that fits your workflow, whether you need mobile access on job sites, detailed job costing, or seamless invoicing. Here are five of the best estimate and invoice apps for contractors that can help streamline your business operations.

DepositFix

DepositFix is a billing and invoicing automation platform built especially for contractors and service‑based businesses. It handles everything from generating estimates and invoices to processing payments, tracking project costs, and managing client accounts, often integrating directly with CRM or accounting tools so your billing workflow becomes seamless. It’s designed not just for one‑off jobs but for ongoing projects, progress billing, and professional-level financial management, helping contractors minimize manual tasks and improve cash flow. 

Key Features:

1. Instant Online Payments with credit card, ACH, Apple Pay, and Google Pay.
2. Automated Invoice Workflows — reminders, receipts, and follow-ups happen automatically.
3. CRM Integration to sync clients, payments, and invoices (HubSpot + more).
4. Branded Invoice Pages that look clean, modern, and trust-building.
5. Subscription & Installment Options for contractors offering recurring services or phased projects.

Why DepositFix shines: It goes beyond basic invoicing; its deep workflow automation, project‑aware billing (milestones, progress billing, deposits), and tight integration with CRM/accounting tools make it ideal if you're handling multiple jobs, want to reduce admin overhead, and need professional, polished billing and payment flows that scale as your contracting business grows.

Joist

Joist is a mobile-first estimating and invoicing app made for home-service contractors like builders, electricians, and landscapers. Its core strength is ease of use, contractors can quickly create estimates, collect signatures, and convert them into invoices right from a job site.

Key Features:

1. Fast Estimate Creation with templates and saved line items.
2. Client-Side Approval & Signatures directly on mobile.
3. Integrated Payments for taking deposits and full payments.
4. Project Tracking Tools to manage jobs, estimates, and invoices.
5. Client Management with stored history and contact info.

Billdu

Billdu is a simple, lightweight estimating and invoicing solution designed for construction and home-repair contractors. It focuses on clean templates, easy estimate building, and project-based organization, best for smaller contractors wanting straightforward tools without extra complexity.

Key Features:

1. Customizable Estimate & Invoice Templates for fast creation.
2. Project-Based Organization keeps documents tied to each job.
3. PDF Export & Sharing for clients via email or messaging apps.
4. Multi-Device Access across phone, tablet, and desktop.
5. Basic Payment Capture for completing jobs more efficiently.

Invoice2go

Invoice2go is a popular invoicing tool for freelancers and contractors who want flexible templates, mobile invoicing, and simple expense tracking. It’s ideal for small service providers who want all-in-one invoicing plus light financial management features.

Key Features:

1. Professional Invoice Templates with strong customization.
2. Mobile Invoicing & Estimates on iOS and Android.
3. Payment Processing with cards and pay links.
4. Expense Tracking to log receipts and purchases.
5. Reporting Dashboard for income, clients, and jobs.

JobFLEX

JobFLEX is a contractor-friendly estimating and quoting app built for speed and offline flexibility. It’s especially useful for contractors working in remote job sites where internet access is limited, thanks to its ability to generate estimates offline.

Key Features:

1. Offline Estimate Creation without needing internet access.
2. Drag-and-Drop Estimate Builder for fast itemization.
3. Client Management to track job details and communication.
4. Unlimited Estimate Generation with paid plans.
5. PDF Estimates & Invoices you can send directly to clients.

What Features to Look for When Choosing an Estimate and Invoice Software

Choosing the right estimating and invoicing software helps contractors streamline their workflow, reduce admin time, and get paid faster. The best tools offer a balance of usability, automation, and professional presentation, ensuring every estimate and invoice looks polished while staying accurate and easy to manage.

The key features are:

• Easy Estimate & Invoice Creation: Look for systems with ready-made templates, saved items, and drag-and-drop builders so you can create invoices for contractors in minutes.
• Online Payment Options: The ability to accept credit cards, ACH bank transfers, Apple Pay, Google Pay, or payment links helps you get paid faster and reduces friction for clients.
• Automation & Follow-Up Tools: Automated reminders, overdue notices, payment confirmations, and recurring invoices save time and reduce the risk of missed payments or forgotten follow-ups.
• Client Management Dashboard: A built-in CRM-style view keeps track of each client’s contact information, estimates, invoices, job history, and notes to help maintain organized communication.
• Custom Branding & Professional Templates: Custom logos, colors, and layout options help you present a polished, trustworthy image that reinforces your brand with every document.
• One-Click Estimate-to-Invoice Conversion: This feature lets you instantly turn an approved estimate into an invoice, eliminating manual re-entry and speeding up the job-to-payment workflow.
• Project Organization Tools: The software should allow you to group documents under each project or job, making it easier to track progress, revisions, materials, and payments.
• Reporting & Business Insights: Look for dashboards that show revenue trends, paid vs. unpaid invoices, job profitability, and client activity so you can make smarter business decisions.
• Integrations With Other Tools: Seamless connections with accounting software, CRMs, project management platforms, or payment processors help automate your entire workflow.
• Secure Data Storage & Compliance: Make sure the software uses encrypted storage, secure checkout, and compliant payment processing to protect client and financial data.

Why DepositFix is Considered the Best Estimate and Invoice App for Contractors

DepositFix stands out as the top choice for contractors because it combines powerful automation, fast payments, and seamless integrations that streamline the entire quoting-to-payment workflow. 

Unlike traditional invoicing apps that only generate documents, DepositFix connects your estimates and invoices directly to your CRM and payment systems, giving contractors a smooth, fully automated process that saves time and improves cash flow. 

Its modern, branded invoice pages help contractors look more professional, while flexible payment options, including ACH payments and digital wallets, make it easier for clients to pay quickly. This blend of automation, speed, and professional presentation makes DepositFix the most complete solution in the market.

Key Reasons Contractors Prefer DepositFix:

• Automated reminders and follow-ups mean less admin work and fewer overdue payments.
• Instant online payment options (credit card, ACH, Apple Pay, Google Pay) dramatically reduce payment delays.
• Deep CRM integrations keep client information, invoices, and payments fully in sync.
• Beautiful, conversion-optimized invoice pages boost trust and increase payment completion rates.‍
• Support for subscriptions and installment plans is ideal for contractors billing in phases or recurring service cycles.

If you're ready to upgrade to a faster, cleaner, more professional invoicing system, book a call today and see why contractors rely on DepositFix.

Conclusion

Choosing the right estimate and invoice app can transform the way contractors manage their projects, clients, and cash flow. Whether you’re looking for simple estimate creation, mobile-friendly invoicing, or full automation that eliminates manual work, the best tools help you stay organized and get paid faster. Each app reviewed in this guide brings something valuable to the table, but the ideal choice depends on your workflow, project volume, and need for efficiency. For contractors who want a seamless, professional, and fully automated billing experience, DepositFix stands out as the most powerful all-in-one solution. With the right software, you ensure clearer communication, smoother operations, and a more profitable contracting business, project after project.

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