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Compare Calibre Web and Polar Bookshelf's popularity and activity

Popularity
9.1
Growing
Activity
9.5
Growing
Popularity
8.1
Stable
Activity
10.0
Growing

Calibre Web Polar Bookshelf
13,236 4,340
166 72
1,407 245
66 days 25 days
about 4 years ago about 4 years ago
7 days ago over 3 years ago
Fluent TypeScript
GNU General Public License v3.0 only GNU General Public License v3.0 only

Interest over time of Calibre Web and Polar Bookshelf

Note: It is possible that some search terms could be used in multiple areas and that could skew some graphs.



The line chart is based on worldwide web search for the past 12 months.
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