Best Calendar & Productivity Apps for Android

How we picked these apps

Calendars that sync with email and task apps reduce double-entry. These picks integrate reminders across devices. Rankings weigh Play Store ratings, install scale, and how well each app fits typical Android use cases in 2026.

Quick comparison

Tap any app below for version info, screenshots, and install options. We link to Google Play for third-party titles unless we explicitly host an APK.

Our picks

Google Calendar

Utility · ★ 4.6 · 5,000,000,000++

Make the most of your day with Google Calendar, part of Google Workspace

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Todoist

Productivity · ★ 4.6 · 10,000,000++

Organize tasks, capture ideas by voice, and keep your teamwork on the same page.

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Notion

Productivity · ★ 4.5 · 10M+

All-in-one workspace for notes, docs, tasks, and team wikis on mobile.

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Microsoft Outlook

Communication · ★ 4.3 · 1,000,000,000++

Stay on top of multiple accounts with emails, calendars & contacts in one place

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Gmail

Communication · ★ 4.1 · 10,000,000,000++

Connect, create, and collaborate with Gmail, part of Google Workspace.

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Google Drive

Productivity · ★ 4.3 · 10,000,000,000++

Store, access, and share securely with Google Drive, part of Google Workspace.

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