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Siri is a good feature because it is deeply integrated into the phone, and is easily accessible. The personality it has makes it even better.
 
Mm I used vlingo but I was never impressed with it , Siri tho is more reliable for me, but is good option, I hate it on my iPhone 4 cause I didn't want to have it on my main screen but is a good option
 
I tried vlingo on my iphone4. But back then I had the siri app and dragon dictation and liked those better. but, I gave my husband my 4, and maybe I'll download vlingo for him. He might like it.
 
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