Yes it isSturner, the one I'm looking at on amazon says not compatible with iPhone. Do you have a part or model number on yours?
I think I found it. Yours is the wireless version?
One more fan of the Teslong. I got the Android version for $50 off Amazon, it was here in Canada from Hong Kong in 3 days, shipping was ten bucks. I have a Hawkeye and the Teslongs picture quality is every bit as good as the Hawkeye, the Teslong is easier to use, much easier to take video and pictures with and because it is flexible it is way easier to transport. The tape bushing idea works well for bigger barrels.
Very viable to take one to the gun show and check barrels out in detail.
Now I need a wifi one!Mine is WiFi on my iPad or iPhone