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Best European alternatives to Apple Calendar in 2026

We found 1 EU-built alternative to Apple Calendar — GDPR-native, with verified data sovereignty and transparent rankings. No pay-to-win.

1 EU-built alternative to Apple Calendar

Proton Calendar

Scheduling

EU Mentions

Proton Calendar is a privacy-focused calendar app that uses end-to-end encryption to protect your schedule and personal data. It supports cloud sync, reminders, and integrations across web, Android, and iOS platforms.

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