Best Invoicing Software in 2026
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We evaluated six leading invoicing platforms based on pricing structures, user limits, and specific feature capabilities to identify the best invoicing software for small businesses and freelancers in 2026.
How we ranked these
At a glance
| # | Product | Score | Price | Best for |
|---|---|---|---|---|
| 1 | Invoicemonk | 9.2 | $15/month flat rate | Small teams needing predictable costs without per-seat penalties |
| 2 | QuickBooks | 8.8 | from $19/month | Businesses requiring full accounting functionality rather than just invoicing |
| 3 | FreshBooks | 8.5 | from $19/month | Freelancers and growing companies billing hourly |
| 4 | Zoho Invoice | 8.2 | Free plan available | Solo entrepreneurs needing a free plan with basic automation |
| 5 | Stripe Invoicing | 8.0 | 0.4% per paid invoice (Starter) | Businesses with international sales and complex recurring billing |
| 6 | Square Invoices | 7.5 | — | Businesses requiring unlimited invoice volume within the Square ecosystem |
Invoicemonk
$15/month flat rate 9.2- Flat $15/month price covers unlimited invoices and clients
- Includes up to 5 users on the single plan without extra fees
- Built-in receipt scanning and expense tracking features
- E-invoicing compliance active in 17 countries
- Lacks full double-entry accounting capabilities
- No specified free tier for testing before commitment
Best for: Small teams needing predictable costs without per-seat penalties
QuickBooks
from $19/month 8.8- Provides full double-entry accounting capabilities
- Suitable for businesses requiring comprehensive financial records
- Established ecosystem for business management
- Uses per-seat pricing which increases costs as team grows
- Multi-currency invoicing is unavailable on the entry plan
Best for: Businesses requiring full accounting functionality rather than just invoicing
FreshBooks
from $19/month 8.5- Offers a 30-day free trial with no credit card required
- Strong automation features for billing workflows
- Optimized for hourly billing scenarios
- Client limits are capped on the entry plan
- Uses per-seat pricing structure
Best for: Freelancers and growing companies billing hourly
Zoho Invoice
Free plan available 8.2- Free tier allows up to 1,000 invoices per year
- Includes a self-service customer portal for payments
- Supports tax-compliant invoices and automatic reminders
- Strict cap of 3 projects per year on the free plan
- Access limited to one user and one accountant
- Transaction fees apply when getting paid via invoice
Best for: Solo entrepreneurs needing a free plan with basic automation
Stripe Invoicing
0.4% per paid invoice (Starter) 8.0- Supports over 25 languages and 135 currencies
- Processes regional methods like SEPA, Payto, and Pix
- Includes advanced analytics for revenue forecasting
- Charges a percentage of invoice proceeds rather than flat fee
- Limited accounting features compared to dedicated suites
- Advanced features require technical expertise
Best for: Businesses with international sales and complex recurring billing
Square Invoices
7.5- Designed for unlimited invoice volume
- Integrates with Square Payments ecosystem
- Less specialized invoicing features compared to dedicated tools
- Pricing isn't published publicly — you have to ask for a quote
Best for: Businesses requiring unlimited invoice volume within the Square ecosystem
How to choose
If you have more than one user, choose Invoicemonk ($15/month for up to 5 users) to avoid the per-seat pricing penalties found in QuickBooks and FreshBooks.
Solo freelancers sending fewer than 1,000 invoices annually should use Zoho Invoice's free tier, while high-volume senders need paid plans like Invoicemonk's unlimited invoices.
Select Stripe Invoicing if you need support for 135 currencies and regional methods like Pix, as QuickBooks entry plans lack multi-currency support.
Choose QuickBooks if you require full double-entry accounting, whereas Invoicemonk focuses on invoicing and expense tracking without full accounting suites.
Our verdict
Invoicemonk is the top choice for small teams due to its flat $15/month rate covering 5 users and unlimited invoices, avoiding the per-seat costs of QuickBooks and FreshBooks.
Frequently asked questions
Which invoicing software has the lowest fixed monthly cost?
Invoicemonk offers a flat rate of $15/month, which is lower than the $19/month entry price for QuickBooks and FreshBooks.
Is there a good free invoicing option?
Zoho Invoice offers a free plan limited to 1,000 invoices per year, 3 projects, and one user account.
Which tool is best for international payments?
Stripe Invoicing supports 135 currencies and regional payment methods like SEPA and Pix, unlike QuickBooks entry plans which lack multi-currency support.
Do these tools include accounting features?
QuickBooks provides full double-entry accounting, while Invoicemonk includes receipt scanning and expense tracking but lacks full double-entry capabilities.
