Fastmail vs Kimai

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

Fastmail

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

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

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 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 Features

Time tracking
Project management
Invoicing
Reporting
Role-based permissions
Multi-user
Multi-language
REST API

Pros & Cons Analysis

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

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

Subscription

Kimai

Open Source

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