Time tracking across web, CLI, and AI agents
Track billable time from the web, the CLI, or through an AI agent. The site also says Timebook is available in the ChatGPT app store and via MCP for Claude, with scoped tokens for safer agent access.
Timebook
Timebook is a time tracking, invoicing, and bookkeeping app for freelancers and single-member LLCs. It combines hours, invoices, and basic books in one place, with optional Plaid bank sync and AI-agent support.
Timebook for solo billing and bookkeeping
Timebook is a time tracking, invoicing, and bookkeeping app for freelancers and single-member LLCs. It is positioned for one-person businesses that want to bill hours, send invoices, and keep basic books without using separate tools for each step.
The product combines timer-based time tracking, PDF invoicing, and bookkeeping in one app. Source pages also describe support for web, CLI, and AI-agent workflows, including ChatGPT app store access and MCP for Claude, plus optional bank sync through Plaid and import/export support for moving data in and out.
Core features
Freelance invoicing from tracked hours
Turn tracked hours into invoice line items automatically, then draft, preview, and email professional PDF invoices with your own payment instructions.
Simple bookkeeping for solo businesses
Record income when clients pay, track expenses as you go, and keep reports ready for tax time without switching to a separate accounting app.
Optional bank sync via Plaid
Connect a business bank account through Plaid to bring in transactions and reconcile expenses and paid invoices against what actually cleared.
Portable data import and export
Import data from QuickBooks and export everything as CSV, so users can move data in or out without relying on a locked workflow.
One workflow for the full billing cycle
Use the same app for time tracking, invoicing, and bookkeeping, which keeps the workflow in one place rather than splitting work across multiple tools.
Common use cases
Freelance billing from tracked hours
Use Timebook when you need to track billable work, keep client and project context, and turn those hours into invoices without copying entries into another tool.
Single-member LLC bookkeeping
Use the app to record income when clients pay, log business expenses, and keep books organized enough for tax time without adopting a full accounting package.
Agent-assisted admin work
Use the CLI or AI-agent workflow to have ChatGPT or Claude start timers, gather hours, stage invoices, or pull figures from your books for review.
Bank-connected expense reconciliation
Use Plaid bank sync when you want transactions to flow in automatically and reconcile expenses or paid invoices against the money that cleared.
Moving data in or out
Use import and export tools when you are switching from QuickBooks or want to keep a local copy of your data for future portability.
Pros and Cons
Pros
- Combines time tracking, invoicing, and bookkeeping in one app.
- Supports web, CLI, and AI-agent workflows for logging time and staging invoices.
- Includes PDF invoicing with customizable payment instructions.
- Offers a flat monthly price with a 14-day free trial and no credit card required to start.
- Lets users import from QuickBooks and export data as CSV.
Cons
- The product is explicitly aimed at solo users and one-person LLCs, so it is not positioned for team workflows.
- The source does not specify deep accounting features, so it appears focused on lightweight bookkeeping rather than accountant-grade complexity.
- Bank sync is optional, which means users who want automated reconciliation must connect Plaid themselves.
FAQ
Is Timebook meant for teams?
Timebook is designed for solo freelancers and one-person LLCs. The source material says it is built for one freelancer, not a team of 50, and it avoids team-collaboration features such as approval chains and manager dashboards.
Can I turn tracked time into an invoice?
Yes. Tracked hours flow directly into invoices, so you can turn billable time into a professional PDF invoice without re-typing entries from another timer or spreadsheet.
What kind of invoices does Timebook create?
Yes. Invoices can be drafted, previewed, and emailed as PDF files with the payment instructions you choose, such as bank details or PayPal.
Can Timebook sync with my bank?
Yes, optionally. You can connect a bank account through Plaid to track expenses and reconcile paid invoices against transactions that cleared.
How does Timebook pricing work?
Timebook uses a flat subscription model: the site says there is a 14-day free trial with no credit card, followed by $29.99 per month.
Quick Facts
- Category
- Time tracking, invoicing, and bookkeeping
- Primary users
- Freelancers and single-member LLCs
- Access modes
- Web app, CLI, ChatGPT app store, and MCP for Claude
- Pricing model
- 14-day free trial, then $29.99/month flat
- Data portability
- Import from QuickBooks; export as CSV
- Bank sync
- Optional Plaid connection
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