Hi.
No it shouldn't do that.
It definitely use the Internet so unless your Internet is congested. I don't see why it would take more then a few seconds.
Sometimes though it can't decide whether to give you results with sketchtoimage as I believe it's got some algorithms set to not display inappropriate content etc.
You. Could just do a simple phone restart. Specially if you have just updated your phone .
Always keep checking for app updates in both stores as well.
Enjoy !
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