Report updated Apr 17, 2026
One Calendar
For users who manage multiple personal and professional calendars across different platforms and require a consolidated overview.
Overview · Full Intel report in progress
One Calendar is an established productivity app that is completely free. With a 4.7/5 rating from 83.8K reviews, it shows polarized user reception.
What is One Calendar?
Current Momentum
v6.901 · 4mo ago
SteadyLast updated 125d ago. 5 versions tracked.
Competition
Rivals identification in progress
7-Day Rank Pulse 🇺🇸
ProductivityNo ranking data
Rating Pulse 🇺🇸
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Aggregates calendars from Google, Live, Outlook, iCloud, Exchange, Office365, Yahoo, and more into one view.
Provides compatibility with Nextcloud, Synology, GMX, Mailbox.org, and ownCloud.
Allows users to view and manage appointments, events, and birthdays across all connected accounts.
The application is accessible across all major platforms to ensure consistent scheduling access.
How much does it cost?
Who Built It?
Code Spark
Consolidating fragmented calendar and task ecosystems into unified, cross-platform productivity interfaces. Helping users manage complex schedules across diverse service providers.
Portfolio
3
Apps
What other apps does Code Spark make?
Explore the full Code Spark report
Portfolio breakdown, audience, momentum, and every app published by Code Spark.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for One Calendar?
How's The Productivity Market?
How does it evolve in the Productivity market?
Rank progression
6 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for One Calendar
Key Takeaways
One Calendar serves as a comprehensive aggregator for users needing to sync and manage diverse calendar accounts in one location.
Where Is It Heading?
Trend analysis
Available very soon