When vs TimeOS 2.0: Bill your hours in Notion.
Side-by-side comparison of features, pros & cons, pricing, and community votes (2026).
🏆 TimeOS 2.0: Bill your hours in Notion. leads with 109 upvotes

Remember everything. Forget nothing.
When is a privacy-focused, offline-first personal timeline app designed to help users remember and organize important dates and information seamlessly. It caters to individuals who want to keep track of warranties, expiry dates, subscriptions, documents, bills, medicines, events, and more, all in one secure place. With features like manual entry, voice input, and Smart Scan, users can quickly add items and receive timely reminders, ensuring nothing slips through the cracks. Its emphasis on privacy and offline functionality makes it ideal for those concerned about data security while maintaining full control over their data. The app's straightforward interface and versatile reminder system make it suitable for busy professionals, students, or anyone looking to simplify personal organization without sacrificing privacy.
Pros
- Privacy-first approach with offline storage options
- Multiple input methods including voice and Smart Scan
- Organizes a wide range of personal data and reminders
- User-friendly interface that simplifies data entry and management
- Timely, customizable reminders ensure important dates are not missed
Cons
- Limited information on advanced features or integrations
- No mention of cross-platform synchronization
- User adoption may be slow without more marketing or visibility
Best for
- • Tracking warranty and expiry dates for products
- • Managing subscription renewals and bills
- • Reminding about medication schedules
- • Organizing important personal documents and events
Pricing: Likely operates on a freemium model, offering core features for free with optional premium plans for additional storage or advanced features. Exact pricing details are not specified.

Work your tasks. Bill your clients with confidence.
TimeOS 2.0 is a seamless productivity and invoicing solution built directly into Notion, designed for freelancers, consultants, and small teams who want to streamline their workflow and billing process. By integrating time tracking with a dedicated invoicing companion app, users can log work sessions effortlessly and generate professional invoices with just a few clicks. The recent 2.0 update enhances this experience by allowing users to load their tracked sessions, generate PDF invoices, and customize them before sending clients. Its tight integration within Notion makes it an attractive choice for those already immersed in the Notion ecosystem, offering a unified platform for task management, time tracking, and billing. What makes TimeOS 2.0 particularly unique is its ability to close the loop—from tracking hours to invoicing—eliminating the need for multiple tools and reducing administrative overhead, all within a familiar workspace.
Pros
- Deep integration with Notion for seamless workflow management
- Simple process to convert tracked hours into professional invoices
- Customizable invoice templates for branding and client needs
- One-click PDF generation and easy client sharing
- Ideal for freelancers and small teams seeking all-in-one productivity and billing
Cons
- Limited information on pricing structure; likely subscription-based
- May require some initial setup and familiarity with Notion
- Could lack advanced invoicing features found in dedicated billing software
Best for
- • Freelancers tracking billable hours for multiple clients
- • Consultants managing project-based work and invoicing
- • Small creative agencies handling client work within Notion
- • Solo entrepreneurs needing integrated task management and billing
Pricing: Likely follows a freemium model with basic features free and premium options available; exact pricing details are not specified but expected to be subscription-based, possibly starting around $10-$20 per month.