Proton Calendar vs Sun Intervals
A side-by-side look at Proton Calendar and Sun Intervals. For an in-depth review of either product, follow the links below.
Proton Calendar
Office & Productivity
Proton Calendar is a free and open source calendar app created by Proton Technologies AG, the company behind the ProtonMail encrypted email service. It allows users to manage events and tasks with customizable reminders, inviting guests, event coloring, and accessibility features. As with other Proton apps, it has a focus on privacy and security of user data.
calendarschedulingreminderseventstasksprivacysecurity
Sun Intervals
Audio & Music
Sun Intervals is a web and mobile app that helps guitar players develop precision and speed through customizable interval ear training exercises. It features hundreds of audio samples across 23 intervals to train the user's ears.
ear-trainingintervalsguitarmusic-education
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