Sorted by starting price

8 Cheapest Invoicing Software of 2026

By the Rankozo research desk · Updated November 4, 2026

Among the 10 tools in our best invoicing software ranking, Invoice Simple has the lowest verified paid starting price at $6.99 per month. Prices below are quoted from each vendor's US pricing page.

1. 01

   Invoice Simple

   Tradespeople who send a few invoices a month from a phone.

   Essentials $6.99 per month for 3 invoices; Plus $14.99 for 10; Premium $21.99 unlimited; annual billing gives 2 months free

   Full entry, No. 10 overall

   Starts at

   $6.99

   Score 7.5

2. 02

   Invoice Ninja

   Freelancers who want unlimited clients for about $12 a month and the option to self-host.

   Free plan for 5 clients; Pro $14 per month, or $140 per year ($11.67 per month); Enterprise from $18 per month

   Full entry, No. 2 overall

   Starts at

   $11.67

   Score 8.6

3. 03

   Wave

   Sole proprietors who want unlimited free invoices plus basic bookkeeping in one place.

   Free Starter plan; Pro $19 per month or $190 per year (promo $9.50 per month for the first 3 months)

   Full entry, No. 3 overall

   Starts at

   $19

   Score 8.6

4. 04

   Bonsai

   Freelancers and small agencies that want proposals, contracts and invoices in one workflow.

   Invoicing starts on Essentials at $19 per user per month billed annually ($25 monthly); Basic at $9 excludes invoices

   Full entry, No. 9 overall

   Starts at

   $19

   Score 7.7

5. 05

   FreshBooks

   Service businesses that bill time and want polished invoices with accounting reports in one tool.

   Lite $23 per month for 5 clients (promo $4.60 per month for 4 months); Plus $43; Premium $70

   Full entry, No. 4 overall

   Starts at

   $23

   Score 8.3

6. 06

   Xero

   Small businesses that want accounting with strong bank reconciliation and are fine with invoice caps on the entry plan.

   Early $27 per month (promo $5.40 for 3 months, 20 invoices); Growing $59; Established $97

   Full entry, No. 8 overall

   Starts at

   $27

   Score 7.8

7. 07

   QuickBooks Online

   Small businesses that want invoicing inside full accounting that most US accountants already know.

   QuickBooks Free at $0; Simple Start $38 per month (promo $19 for 3 months); Essentials $85; Plus $140; Advanced $340

   Full entry, No. 6 overall

   Starts at

   $38

   Score 8.1

8. 08

   Square Invoices

   Businesses that already take payments with Square and want invoices on the same account.

   Free plan; Square Plus $49 per month per location; Premium $149 per month per location; card fees apply

   Full entry, No. 5 overall

   Starts at

   $49

   Score 8.3

Scores and prices come from our Best Invoicing Software ranking, which uses one method for every tool. Questions or corrections: editorial@rankozo.com