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Fastmail vs Kimai

Professional comparison and analysis to help you choose the right software solution for your needs.

Fastmail icon
Fastmail
Kimai icon
Kimai

Fastmail vs Kimai: The Verdict

⚡ Summary:

Fastmail: Fastmail is an email service provider focused on performance, privacy, and security. It offers robust email features for personal and business use with extensive customization options.

Kimai: Kimai is an open source time tracking application. It allows users to track time spent on projects and tasks, and generates reports and invoices. Kimai is PHP-based and easy to install on Linux, Mac or Windows servers.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Fastmail Kimai
Sugggest Score
Category Online Services Office & Productivity
Pricing Subscription Open Source

Product Overview

Fastmail
Fastmail

Description: Fastmail is an email service provider focused on performance, privacy, and security. It offers robust email features for personal and business use with extensive customization options.

Type: software

Pricing: Subscription

Kimai
Kimai

Description: Kimai is an open source time tracking application. It allows users to track time spent on projects and tasks, and generates reports and invoices. Kimai is PHP-based and easy to install on Linux, Mac or Windows servers.

Type: software

Pricing: Open Source

Key Features Comparison

Fastmail
Fastmail Features
  • Email hosting
  • Calendar
  • Contacts
  • Tasks
  • Notes
  • Aliases
  • Catch-all addresses
  • Custom domains
  • Mailbox delegation
  • Sieve filters
  • Conversation view
  • Search
  • Email encryption
  • Two-factor authentication
  • Ad-free interface
Kimai
Kimai Features
  • Time tracking
  • Project management
  • Invoicing
  • Reporting
  • Role-based permissions
  • Multi-user
  • Multi-language
  • REST API

Pros & Cons Analysis

Fastmail
Fastmail
Pros
  • Fast performance
  • Reliable uptime
  • Strong privacy and security
  • Feature-rich
  • Good customer support
  • Competitive pricing
Cons
  • Limited free plan
  • Less name recognition than Gmail
  • Limited integrations compared to Office 365
  • No offline access
Kimai
Kimai
Pros
  • Open source
  • Self-hosted
  • Customizable
  • Easy to use
  • Active development community
Cons
  • Limited integrations
  • Can be complex for simple needs
  • Steep learning curve

Pricing Comparison

Fastmail
Fastmail
  • Subscription
Kimai
Kimai
  • Open Source

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