Does any experience Zooper widget battery drain?

Hi all,

Does anyone have ever experienced Zooper widget battery drain? I found the Zooper seems drain a lot battery power. I unplug charger from my HTC M7, enjoy my breakfast and read some novel with my phone (about 7AM). When I am in office and check the battery status (about 11AM), the Zooper seems drain a lot battery power.

The Zooper Refresh Interval is set as "Manual Only".

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