User Agent of iOS QR Scanners

gistfile1.txt

#1 QR Reader (https://itunes.apple.com/us/app/qr-reader-for-iphone/id368494609?mt=8)
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_0_2 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) Mobile/14A456 Safari
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=> Double stack button

QR Scanner
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_0_2 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) Mobile/14A456
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=> Share button

QR Code
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_0_2 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) Mobile/14A456
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=> Share button

Quick Scan
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_0_2 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) Mobile/14A456
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=> Share button

Wechat
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_0_2 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) Mobile/14A456 MicroMessenger/6.3.27 NetType/WIFI Language/zh_CN
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=> ••• button

iOS Safari App 
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_0_2 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Mobile/14A456 Safari/602.1
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=> No need

iOS Chrome App
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_2_1 like Mac OS X) AppleWebKit/602.1.50 (KHTML, like Gecko) CriOS/56.0.2924.79 Mobile/14D27 Safari/602.1
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=> No need

iOS Firefox App 
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_2_1 like Mac OS X) AppleWebKit/602.4.6 (KHTML, like Gecko) FxiOS/6.0 Mobile/14D27 Safari/602.4.6
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=> No need

iOS UC Browser App
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Mozilla/5.0 (iPhone; CPU iPhone OS 10_2_1 like Mac OS X; en-US) AppleWebKit/537.51.1 (KHTML, like Gecko) Mobile/14D27 UCBrowser/10.8.7.903 Mobile
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=> No way to work around