CalUnity review
A free multi-calendar hub with AI assistance, reminders and read-only-by-default syncing.
Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
Managing several calendars across providers is the core use case for CalUnity. It brings Google Calendar, Microsoft Outlook/365, Apple iCloud Calendar and CalDAV-compatible servers into one interface, with web, iOS and Android apps. People consolidating personal or work schedules can view events together, switch between day, week, month and schedule layouts, and receive push notifications and reminders. Its free core app, AI assistant and multi-provider calendar view make it suited to solo users and small teams that want one place to review their commitments.
The product’s main strength is breadth across calendar ecosystems without copying events between accounts. CalUnity keeps separate origin calendars and offers a unified view, while conflict detection helps identify overlapping commitments. Its natural-language AI assistant adds another way to work with calendar information. According to the published product details, the app is completely free, so the buying decision is less about comparing tiers and more about whether its workflow matches the way a person manages calendars. GDPR is part of its stated compliance posture, and deployment covers cloud and mobile use.
CalUnity is deliberately read-only by default, and its calendar sync is one-way. That approach can suit people who want consolidated visibility while preserving each provider as the place where events originate. It is less suitable for buyers who need deep two-way editing, cross-account event copies or a more extensive support channel than email. Choose CalUnity for free, multi-provider visibility across web and mobile; choose an alternative when direct calendar management across connected accounts is the central requirement.
Questions about CalUnity
What does CalUnity run on? Web, iOS and Android. It runs in the cloud and as a mobile app.
What does CalUnity integrate with? 4 integrations: Google Calendar, Microsoft Outlook/365, Apple iCloud Calendar and CalDAV.
Who is CalUnity built for? Solo users and small businesses (our editorial estimate).
CalUnity pros and cons
- Where it wins
- Connects Google, Microsoft, Apple iCloud and CalDAV calendars
- Free web, iOS and Android apps with multiple calendar views
- Adds conflict detection, reminders and a natural-language AI assistant
- Where it doesn't
- Read-only by default limits direct calendar management
- One-way sync does not provide two-way calendar updates
- Support is limited to email
CalUnity fact sheet, pricing and score →
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