Zap Bill vs Firmary
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Zap Bill compared with Firmary
| Detail | 
Zap Bill | 
Firmary |
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| What it does | Free invoice generator for freelancers and small businesses
| Command line interface for firm staff, scripts and AI agents to access practice data
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
| US
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| Pricing model | Not given
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| Pricing | Free: Unlimited invoices without account (with "Powered by Zap Bill" footer); Free account: 3 saved invoices per month. Unlimited: $9.99/month (or $5.00/month for first 6 months with 50% introductory offer). Unlimited Annual: $79.99/year.
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| Key features | - Invoice PDFs with automatic tax and discount calculations
- Multi-currency and multi-language invoices in 6 languages
- Saved customer profiles and product catalog
- Recurring invoices with automatic generation and sending
- Time and expense tracking with invoice integration
- Quotes and estimates that convert to invoices
- Email invoices from your own address with SMTP settings
- Revenue and client dashboard with insights
- REST API access for automation
- Automatic payment reminders and late fees
| - Cross-platform installation for macOS, Linux and Windows
- Full-screen terminal application with home, work, clients and billing screens
- Commands for clients, contacts, tasks, invoices, engagements, requests and messages
- Operation search and execution with customizable fields
- Agent sign-in with JSON output and approval workflows
- MCP server integration with Claude, Codex, Cursor and VS Code
- Approval system with exit codes and approval wait functionality
- Service token support for CI environments
- Tab completion for commands, fields and client names
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| What makes it different | - Create invoices in under 2 minutes with no setup required
- Free to use without account signup
- 14-day free unlimited trial with no credit card required
- Global support with country presets for tax rates and currency
| - Unified interface applying the same permissions and approvals across CLI, app, API and MCP
- AI agents can access firm data while subject to approval workflows and firm policies
- Integration with major AI coding platforms through MCP server support
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 25 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 11 | 24 |
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| Referring domains (Majestic) | 4 | 10 |
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3 details filled in for both companies.
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