Billbooks vs WorkflowMAX
Billbooks
billbooks.comWorkflowMAX
workflowmax.comSide by side
| Figure | Billbooks | WorkflowMAX |
|---|---|---|
| Price from | $7.95/mo | $8.33/mo |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Plans published | 5 | 3 |
| Spec score · Invoicing software | 9.1 (#9) | 9.0 (#11) |
| Founded | 2010 | 2007 |
| Free plan | No | No |
| Integrations | Xero, QuickBooks Online and Zapier connectors are available on the Professional plan; Xero connects directly and the other listed apps connect through Zapier. | Listed integrations include Xero, QuickBooks, HubSpot, Zapier, Airwallex, and Google Calendar. |
| Mobile apps | Billbooks has iOS and Android apps that sync with the web app. | Dedicated iOS and Android apps support managing jobs, entering time, and viewing tasks on the go. |
| Multi-currency invoicing | Yes | Yes |
| Online payments | Clients can pay invoice links by card, UPI or net-banking, and Billbooks provides open and payment alerts. | Yes |
| Recurring invoices | Yes | Yes |
| Security | Billbooks says data is encrypted in transit, backed up daily off-server to Amazon S3 with a 7-day retention window, and protected behind Cloudflare and a firewall. | WorkflowMAX says it stores private user data encrypted with AES 256-bit encryption. |
| Paid from | 7.95 | 7.5 |
| Support | Billbooks says its support team can help import clients, items and past invoices, and lists [email protected] as its contact email. | The FAQ says all customers have access to 24/7 in-product support and a help centre. |
| Included team users | 2 | 25 |
Plans
Billbooks
- TrialFree
- Basic$7.95 a month
- Standard$14.95 a month
- Professional$29.95 a month
- CustomPriced on request
In their own words
Billbooks
Billbooks is an online billing application for freelancers and small businesses, covering invoices, quotes, scheduling, expenses, and reports. It supports recurring invoices, online payments, payment reminders, multi-currency invoicing, digital signatures, and a client portal. Every paid plan includes recurring invoices, automatic reminders, multi-currency support, digital signatures, and reports. Payment gateway options include PayPal, Stripe, Braintree, and Authorize.Net. The public REST API covers invoices, estimates, clients, items, expenses, expense categories, and taxes; API keys are not limited by plan. The API has no webhooks and is limited to 300 requests per five minutes per resource. Xero, QuickBooks Online, and Zapier connectors are available on Professional; Xero connects directly, while the other listed apps connect through Zapier. Billbooks offers iOS and Android apps that sync with the web app, alongside web, macOS, Windows, and API access. Pricing starts with Basic at $7.95 a month. A 30-day trial costs nothing and includes one user, five clients, 100 items, three projects, and five invoices and estimates. Billbooks says it encrypts data in transit and backs it up daily off-server to Amazon S3, with a seven-day retention window.
WorkflowMAX
WorkflowMAX is a job profitability operating system for professional services firms. It covers quoting, job management, scheduling, time tracking, work-in-progress management, and invoicing. A job record can contain tasks, costs, time, and documents, while timesheets record time against jobs and tasks through eight entry methods. The service supports recurring invoices, online payments, and multi-currency invoicing. Integrations include Xero, QuickBooks, HubSpot, Zapier, Airwallex, and Google Calendar, with MCP connections described for Claude, ChatGPT, Gemini, and Microsoft Copilot. Dedicated iOS and Android apps support job management, time entry, and task viewing; web and API access are also listed. Essentials costs $8.33 a month, billed monthly, for 3–25 users. Pro costs $15 a month from five users, and Advanced costs $25 a month from ten users. Annual rates are listed as 7.50, 13.50, and $22.50 per user per month respectively. All plans include a 14-day trial with full selected-plan access and no credit card. Anyone who signs in needs a licence.