aCalendar vs FlowCrypt

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

aCalendar

FlowCrypt

aCalendar vs FlowCrypt: The Verdict

⚡ Summary:

aCalendar: aCalendar is an open-source calendar and scheduling application for Android. It features a simple interface for managing events, reminders, and tasks. Syncs with various services like Google Calendar.

FlowCrypt: FlowCrypt is an email encryption plugin for Gmail that allows users to send and receive end-to-end encrypted emails. It integrates with a user's existing Gmail account to enable easy email encryption.

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	aCalendar	FlowCrypt
Sugggest Score	—	—
Category	Office & Productivity	Security & Privacy
Pricing	Open Source	—

Product Overview

aCalendar

Description: aCalendar is an open-source calendar and scheduling application for Android. It features a simple interface for managing events, reminders, and tasks. Syncs with various services like Google Calendar.

Type: software

Pricing: Open Source

FlowCrypt

Description: FlowCrypt is an email encryption plugin for Gmail that allows users to send and receive end-to-end encrypted emails. It integrates with a user's existing Gmail account to enable easy email encryption.

Type: software

Key Features Comparison

aCalendar Features

Month, week, day, agenda views
Recurring events
Reminders and alarms
Synchronization with Google Calendar
Integration with contacts
Multiple calendar support
Event sharing via SMS, email
Search events
Customizable widgets
Multiple color themes

FlowCrypt Features

End-to-end email encryption
Seamless integration with Gmail
Easy to use browser extensions
OpenPGP support
Encrypted reply feature
Message screening
Support for attachments
Key management tools
Address book encryption

Pros & Cons Analysis

aCalendar

Pros

Open source
Simple and easy to use
Good integration with Android
Syncs with Google Calendar
Basic features for free

Cons

Limited features compared to proprietary options
No support for iOS or web
Sync issues reported
Development seems stagnant

FlowCrypt

Pros

Strong encryption protects privacy
Easy to set up and use
Works with existing Gmail account
Free basic version available
Open source code can be audited

Cons

Requires recipient to also use FlowCrypt
Browser extension can affect performance
No support for other email providers
Premium version requires subscription

Pricing Comparison

aCalendar

Open Source

FlowCrypt

Not listed

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