Latest 1Password 5 user agents:

User Agent Platform Device
Mozilla/5.0 (iPhone; CPU OS 8_4_1 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/5.5 (like Version/8.4.1 Mobile/12H321 Safari/600.1.4) iOS 8 iPhone
Mozilla/5.0 (iPhone; CPU OS 8_4 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/5.5 (like Version/8.4 Mobile/12H143 Safari/600.1.4) iOS 8 iPhone
Mozilla/5.0 (iPhone; CPU OS 8.1.3 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) 1Password/5.2 (like Version/12B466 Mobile/8.1.3 Safari/8536.25) iOS 8 iPhone
Mozilla/5.0 (iPhone; CPU OS 8.1.2 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) 1Password/5.1.2 (like Version/12B440 Mobile/8.1.2 Safari/8536.25) iOS 8 iPhone
Mozilla/5.0 (iPad; CPU OS 8_3 like Mac OS X) AppleWebKit/600.1.4 (KHTML, like Gecko) 1Password/5.4.2 (like Version/8.3 Mobile/12F69 Safari/600.1.4) iOS 8 iPad
Mozilla/5.0 (iPad; CPU OS 8.1.3 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) 1Password/5.2 (like Version/12B466 Mobile/8.1.3 Safari/8536.25) iOS 8 iPad