Is Dark Mode actually saving your smartphone battery?

A new study compares situational use in light and dark mode and introduces a tool developers could use to assess app battery use.

Image: GettyImages/Oscar Wong

Many people prefer to activate their phone’s dark mode in a host of settings; after all, doing so can reportedly decrease smartphone battery drain. On Wednesday, Purdue University published a report highlighting recent research about the setting and the battery savings afforded by dimming the mobile lights. The researchers also give a glimpse of a new tool developers could use to assess app power savings during development.

“When the industry rushed to adopt dark mode, it didn’t have the tools yet to accurately measure power draw by the pixels,” said Charlie Hu, Purdue’s Michael and Katherine Birck professor of electrical and computer engineering, in a press release. “But…

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