The Best Invoice Software for Solopreneurs (2025 Guide)

As a solopreneur, chasing down late payments, juggling multiple apps, and trying to figure out if you’re actually profitable can eat up hours you don’t have. But you don’t need to be an accountant to invoice like a pro. You just need the right tool.

That’s why we’ve compared six of the best invoicing software options for solopreneurs in 2025: FreshBooks, QuickBooks Online, Wave, Zoho Invoice, Square Invoices, and Cashflowy.

TL;DR — Best Invoice Software for Solopreneurs

• FreshBooks
• QuickBooks Online
• Wave
• Zoho Invoice
• Square Invoices
• Cashflowy
  

FreshBooks

FreshBooks is popular among freelancers who bill by the hour. Its standout feature is time tracking, which integrates with invoices.

Key Features:

• Professional, customizable invoices.
• Time tracking → direct invoicing.
• Estimates & proposals.
• Expense tracking.
• Client portal for payments.
  

Pricing:
Lite $21/mo, Plus $38/mo, Premium $65/mo. (Pricing subject to change.)

Pros:

• Easy to use.
• Time-tracking integration.
• Client communication features.
  

Cons:

• Expensive as you scale.
• Limited mobile functionality.
• Missing advanced accounting features at lower tiers.
  

Best For: Freelancers and consultants who bill hourly and need integrated time tracking.

QuickBooks

QuickBooks is the industry standard for small business accounting. It’s feature-rich, but it may be overkill and complicated for solopreneurs who just need simple invoicing.

Key Features:

• Fully customizable invoices.
• Expense tracking and payroll.
• Inventory management.
• Detailed financial reports.
• Multi-user access with permissions.
  

Pricing:
Starts at $35/mo; goes up to $235/mo for advanced. (Pricing subject to change.)

Pros:

• Most comprehensive tool.
• Scales as your business grows.
• Huge library of financial reports.
  

Cons:

• Steeper learning curve.
• Higher cost and complex setup.
• Support can be slow.
  

Best For: Solopreneurs who want full accounting functionality, not just invoicing.

Wave

Wave stands out because its core invoicing and accounting tools are free. It’s good for side hustlers who want professional invoices without spending a dime.

Key Features:

• Unlimited free invoices.
• Free accounting reports.
• Receipt scanning.
• Integrated payment processing (fees apply).
  

Pricing:
Free core software. Payment fees: 2.9% + $0.30/card. (Pricing subject to change.)

Pros:

• Free.
• Easy for beginners.
• Payment integration included.
  

Cons:

• Limited customer support.
• No advanced features.
• Processing fees add up at scale.
  

Best For: Budget-conscious solopreneurs just starting out.

Zoho Invoice

Part of the Zoho suite, Zoho Invoice is a forever-free invoicing platform. It’s highly customizable and integrates well with other Zoho apps, though it has some limits.

Key Features:

• Customizable invoice templates.
• Estimates → invoices.
• Client portal.
• Time & project tracking.
• Integrations with Zoho CRM, Books, and more.
  

Pricing:
Free (up to 500 invoices/year, 2 users, 3 projects). (Pricing subject to change.)

Pros:

• Free plan.
• Customizable.
• Easy integration with Zoho ecosystem.
  

Cons:

• Invoice/project/user limits.
• Some integrations require paid Zoho apps.
  

Best For: Solopreneurs who want customization and already use Zoho tools.

Square Invoices

Square Invoices is ideal for solopreneurs who already use Square’s payment processing or POS tools. It’s simple, effective, and free (with transaction fees).

Key Features:

• Unlimited invoices.
• Integrated payments (ACH, credit, Apple Pay, Google Pay).
• Recurring invoices & reminders.
• Basic reporting.
• Mobile app.
  

Pricing:
Free to use; transaction fees apply (2.9% + $0.30/card). (Pricing subject to change.)

Pros:

• No monthly fee.
• Seamless with Square ecosystem.
• Easy automation for reminders.
  

Cons:

• Limited customization.
• Transaction fees add up for large invoices.
• Not as robust as others.
  

Best For: Solopreneurs already using Square for payments.

Cashflowy

Cashflowy is an all-in-one financial toolkit built for solopreneurs. In under an hour a month, you can handle your entire business finances, send unlimited one-click pay invoices, and even get tailored tips to make more money and keep more of it.

Key Features:

• One-click pay invoices (clients pay instantly).
• Automatic tracking of unpaid invoices.
• Instant tax-ready financial reports.
• Built-in financial coach with tailored tips based on your results.
• Run all your finances in <1 hour per month.
  

Pricing:
Free trial available. $297/year during the launch promo. (Pricing subject to change. See website for details.)

Pros:

• Invoices get paid faster.
• Combines invoicing + financial reporting in one tool.
• Extremely easy to use.
• Saves hours every month.
  

Cons:

• Newer in the market compared to legacy tools.
  

Best For: Solopreneurs who want more than invoicing. Cashflowy is for those who want to get paid faster, stay on top of overdue payments, and have complete financial clarity in one place.

Comparison Insights

• FreshBooks → Great for hourly freelancers.
• QuickBooks → Powerful but complex.
• Wave & Zoho → Free, but limited.
• Square → Great if you’re in the Square ecosystem.
• Cashflowy → The only tool designed specifically for solopreneurs: one-click pay, overdue tracking, and full financial clarity.
  

If you want more than just invoices, if you want to know your numbers and get paid faster, Cashflowy is the clear choice.

Invoice Software for Solopreneurs Comparison Table

Why Cashflowy Wins for Solopreneurs

Most invoicing software helps you send bills. Cashflowy helps you run your whole business. It’s the only all-in-one financial tool designed for solopreneurs — combining invoicing, overdue tracking, instant financial reports, and built-in coaching in one simple platform.

• One-click pay invoices → clients pay faster.
• Automatic overdue tracking → no more chasing late payments.
• Instant Profit & Loss Report + Balance Sheet → real-time profitability clarity.
• Financial Coach built-in → tailored tips to make and keep more money in your pocket..
• All-in-one simplicity → run your entire business finances in <1 hour/month.
• Free trial → Try it risk-free and see the difference in your next invoice cycle.
  
  

👉 Stop piecing together multiple apps. Run your business on Cashflowy. Start free today

FAQs — Best Invoicing Software for Solopreneurs

Q: What is the best invoicing software for solopreneurs in 2025?
The best invoicing software for solopreneurs is Cashflowy, because it combines professional invoices with one-click payments, overdue tracking, and instant financial reports. Unlike other tools, it’s built specifically for solopreneurs who want to save time and actually know if they’re profitable.

Q: Is there free invoicing software for freelancers?
Yes. Tools like Wave and Zoho Invoice are free, but they come with limitations or hidden costs (like high payment fees). Cashflowy offers a free trial, and goes far beyond invoicing by helping you manage your entire financial picture in less than an hour a month.

Q: Can I create invoices in Google Docs or Sheets instead of software?
Technically, yes, but it’s manual, time-consuming, and doesn’t include payment options or reminders. Cashflowy’s invoices are professional, trackable, and include one-click pay links so clients pay faster.

Q: How do I make sure clients actually pay my invoices on time?
Use software that automates late payment reminders and makes paying easy. Cashflowy takes it a step further: one-click pay invoices + automatic overdue tracking mean you get paid faster without the awkward follow-up emails.

Q: How does Cashflowy compare to QuickBooks or FreshBooks?
QuickBooks and FreshBooks are strong tools, but they’re built for small teams or larger businesses. Cashflowy is laser-focused on solopreneurs. It’s simpler, faster to set up, and gives you both invoicing and instant financial clarity without the steep learning curve or high monthly fees.

Q: Can invoicing software help me see if I’m profitable?
Most invoicing tools just track what you send and receive. Cashflowy instantly generates Profit & Loss and Balance Sheet reports, so you’ll always know if your business is actually profitable, not just busy.

Q: Do I still need an accountant if I use invoicing software?
Yes, for taxes and compliance. But Cashflowy bridges the gap: while your accountant files your taxes once a year, Cashflowy keeps you financially informed every single day.

Q: What makes Cashflowy better than other invoicing software?
Unlike tools like FreshBooks, Wave, or QuickBooks that focus mainly on invoices or accounting, Cashflowy is an all-in-one financial tool built for solopreneurs. It combines invoicing, overdue tracking, instant profitability reports, and financial coaching, so you can finally see and manage your entire business in one place.Q: Do I need separate apps for invoices, expenses, and financial reports?
Not with Cashflowy. It’s an all-in-one tool that replaces multiple apps, letting you manage invoices, track cash flow, and get profitability insights in under an hour a month.