Building in public · Launching soon

Work.Sessios bills.

A macOS menu bar app that tracks your work, summarizes sessions with AI, and generates invoices in one click.

Free tier available · No credit card required

Sessios
FinderFileEdit01:24:37 · Acme Corp
Acme Corp
€120/h
01:24:37
Running · started 14:32
Activity
VS Code
78%
Chrome
15%
Terminal
7%
✦ AI Summary

Dev session on the Acme mobile app — 1h25 focused on backend API integration and documentation review.

Everything you need.
Nothing you don't.

Always-on timer

One click start/stop. Lives in your menu bar — always visible, never in the way.

AI session summaries

Sessios writes what you worked on. Runs locally with Ollama or your own API key.

Multi-client management

Custom hourly rates, currencies, color-coded. Switch clients in one click.

PDF invoices

Professional, auto-numbered, with your logo and legal mentions. One click export.

App detection

Automatically tracks which apps you use — VS Code, Figma, Chrome. Zero setup.

100% local & private

No cloud, no account, no data sent anywhere. Everything stays on your Mac.

CSV export

Export filtered sessions to CSV for your accountant, Notion, or spreadsheets.

Smart alerts

Get notified when a session runs too long without a pause. Fully configurable.

Session to invoice
in three steps.

01

Start a session

Click the menu bar icon, pick a client. The timer starts. That's it.

02

Work normally

Sessios tracks which apps you use — VS Code, Figma, Chrome. No interruptions.

03

Review & invoice

AI summarizes your session. Add to invoice, export PDF. Send to client.

✦ Your AI, your rules

Runs where you want it.

No subscription, no data sent to our servers. Use your own Claude, GPT-4o mini, or Mistral API key — or run 100% locally with Ollama. Keys stay in macOS Keychain.

Example
Input: 2h45 · VSCode 78% · Chrome 15% · Acme Corp
Output: "Dev on the Acme mobile app — 2h45 focused on backend code and API research."
Claude HaikuGPT-4o miniMistralOllamallama3.2phi-3

One-time pricing.

No subscriptions. Devs hate those.

Free
€0forever
  • Unlimited timer
  • 1 client
  • 14-day history
Join waitlist
★ Most popular
Pro
€25one-time
  • Unlimited clients
  • 90-day history
  • AI summaries
  • PDF invoices
  • CSV export
  • 1 year updates
Join waitlist
Lifetime
€35one-time
  • Everything in Pro
  • Lifetime updates
  • Priority support
  • Beta access
Join waitlist

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