Side by side
Clockoli vs Invoicerr
Both stand on time billing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Pick Clockoli if GitHub can be your sign-in, storage, and shared work record. Its broad time views, exports, and in-browser invoicing are included at no charge. Look elsewhere if you need mobile, Firefox, Safari, or a packaged extension rather than an open-beta install.
Visit ClockoliChoose Invoicerr for open-source invoicing with a free self-hosted plan and tools for quotes, payment matching, time tracking, and supplier bills. Its listed country-specific tax and e-invoice support covers Germany, France, Italy, Poland, and Portugal. Cloud is scheduled to open in November 2026 and document sending is disabled during its 14-day trial.
Visit InvoicerrThe facts
| Clockoli | Invoicerr | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Extension | API, Linux, Self-hosted, Web |
| Lowest paid plan | Free or on request | Cloud: $23 a month |
| Plans published | 1 | 2 |
| Maker | Not published | Not published |
| Website | clockoli.com | invoicerr.app |
| On time billing software | #11 of 31 | #7 of 31 |
Clockoli: what it does well
- Free forever with no seat or usage limits
- Tracks GitHub issues, pull requests, and website URLs
- Editable timeline and day, week, month calendars
- Exports reports as CSV, JSON, or PDF
- Generates invoices in the browser
What to know first
- Chrome and Chromium only
- No mobile, Firefox, or Safari app
- Open beta requires an unpacked extension
- GitHub limits still apply
Invoicerr: what it does well
- Free self-hosted plan includes all features and unlimited seats and companies.
- Clients can sign quotes online with a one-time code.
- Bank statement imports can match payment lines by reference and amount.
- Unbilled project hours can become an invoice in one step.
- Includes a REST API, MCP server, and 18 webhook events.
What to know first
- Self-hosting requires Docker, PostgreSQL, and reachable Redis.
- Self-hosted support is community support.
- Cloud trial users cannot send documents.
- Cloud is scheduled to open in November 2026.
Alternatives to Clockoli Alternatives to Invoicerr The whole list