When comparing ZoomCharts vs amCharts, the Slant community recommends amCharts for most people. In the question“What are the best JavaScript libraries for creating visualisations of data as charts/graphs?” amCharts is ranked 10th while ZoomCharts is ranked 12th.
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Pros
Pro Charts-on-Charts
ZoomCharts patented technology called Charts-on-Charts, which allows to dynamically build multiple interactive charts inside one canvas object.
Pro Multi-touch
ZoomCharts is built for mobile devices. All native multi-touch gestures are built in. Data navigation and exploration is as native as it could ever be.
Pro Interactivity
All ZoomCharts products have high level of interactivity available.
Pro Speed & Performance
ZoomCharts are canvas based, as tested with default settings, more than 20 times faster as svg based competitor with same data and default settings. Video available on ZoomCharts youtube channel.
Pro Extensive documentation
Most of ZoomCharts customers do comment that ZoomCharts Documentation is one of the best that they have seen
Pro Fantastic Support
They responded to my issue/question really amazingly fast and that means I didn't have to halt my project development. Also the attitude was great.