Wave Free-first invoicing and bookkeeping platform for freelancers and small service businesses, with paid automation and transaction features. | 80/100 | Starter $0; Pro $19/mo or $190/year | ✓ Last verified: Sep 24, 2026 | Yes | Strong use-case match for solo consultant businesses. | Starter is free for core invoicing/bookkeeping; payment processing and optional paid automation/services add cost. |
FreshBooks Accounting and invoicing software oriented toward service businesses and client billing. | 80/100 | Lite standard $23/mo; current promos may apply | ✓ Last verified: Sep 24, 2026 | No permanent free plan | Strong use-case match for solo consultant businesses. | Confirm limits and integrations before committing. |
QuickBooks Online Full small-business accounting platform for bookkeeping, invoicing, reconciliation, and financial reporting. | 62/100 | $38/mo standard price; promos may apply | ✓ Last verified: Sep 24, 2026 | No permanent free plan | The product is a reasonable fit for your current team size. | More setup or administration than the simplest alternatives. |