Instagram has overtaken Snapchat as the most used social media app among US teens, according to a study.
A total of 8,600 teenagers were surveyed for investment bank Piper Jaffray's twice-annual look at so-called Generation Z's habits.
The report indicates that 85% of participants used Instagram at least once a month compared with an equivalent figure of 84% for Snapchat.
But rankings were reversed when the teens were asked which they preferred.
Snapchat was picked as the "favourite social platform" by 46% of those questioned, while Instagram was chosen by 32%.
That figure may offer some reassurance to Evan Spiegel and other chiefs at parent firm Snap that their efforts to address a backlash against an unpopular redesign are working.
But it is the engagement figure that has dominated headlines, and threatens to feed a narrative that Snapchat is on the decline.
In August, Snap reported that for the first time the number of people using its service on a daily basis had dropped.
And on 11 October, its shares hit an all-time-low after one analyst claimed the firm was "running out of money".
By contrast, Instagram is flush with cash thanks to its popularity with marketers.
"Instagram continues to show dominance in selling, as teens overwhelmingly prefer brands contact them on Instagram versus other channels," said Piper Jaffray in its report.
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