Latest 1Password 6 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU OS 9_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.2.1 (like Version/9.3 Mobile/13E5191d Safari/600.1.4) iOS 9 iPhone
Mozilla/5.0 (iPhone; CPU OS 11_2_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.9.1 (like Version/11.2.1 Mobile/15C153 Safari/600.1.4) iOS 11 iPhone
Mozilla/5.0 (iPhone; CPU OS 11_1_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.9.1 (like Version/11.1.1 Mobile/15B150 Safari/600.1.4) iOS 11 iPhone
Mozilla/5.0 (iPhone; CPU OS 11_0_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.9.1 (like Version/11.0.3 Mobile/15A432 Safari/600.1.4) iOS 11 iPhone
Mozilla/5.0 (iPhone; CPU OS 10_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.4.5 (like Version/10.1 Mobile/14B72 Safari/600.1.4) iOS 10 iPhone
Mozilla/5.0 (iPhone; CPU OS 10_0_2 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.4.5 (like Version/10.0.2 Mobile/14A456 Safari/600.1.4) iOS 10 iPhone
Mozilla/5.0 (iPad; CPU OS 17_6_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.9.1 (like Version/17.6.1 Mobile/21G93 Safari/600.1.4) iPadOS 17 iPad
Mozilla/5.0 (iPad; CPU OS 11_0_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.9.1 (like Version/11.0.3 Mobile/15A432 Safari/600.1.4) iOS 11 iPad
Mozilla/5.0 (iPad; CPU OS 10_0_2 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/6.4.5 (like Version/10.0.2 Mobile/14A456 Safari/600.1.4) iOS 10 iPad