Firebase iOS Version breakdown

firebase-iOS-Device-breakdown

// How to:
// 1. Go in the Firebase Analytics Dashboard
// 2. Filter iOS Platform only
// 3. Scroll down, select `Device` under the "What is your audience like?" widget
// 4. Export the CSV data (top right of the corner, there's a `...` menu with Download CSV option)
// 5. Open the file and select the Device model breakdown raw data
// 6. Replace your data with the sample data in this script
// 7. Run the script in a Xcode Playground
// 8. See the terminal output

// Forked from https://gist.github.com/zntfdr/450fb3ee35ccde3f34085269eecafb9a

import Foundation

var data = """
iPhone 8 Plus,938
iPhone,894
iPhone XR,443
iPhone X,253
iPhone XS Max,249
iPhone 8,193
iPhone 7 Plus,168
(not set),160
iPhone XS,152
iPad,131
iPhone 7,123
iPad Pro 12.9 2nd gen,105
iPhone 6,19
iPad Mini 2,17
iPad Pro 12.9 inch,17
iPad Air,12
iPad Pro 10.5,11
iPhone 6 Plus,10
iPad Pro 9.7 inch,8
iPad Mini 3,2
"""

let lines = data.split { $0.isNewline }
let devices = ["iphone", "ipad", "ipod"]

let deviceDictionary = lines.reduce([String: Int]()) { (dict, line) -> [String: Int] in
    var dict = dict
    var deviceType = "other"
    for device in devices {
        if line.lowercased().contains(device) {
            deviceType = device
            break
        }
    }
    
    let numberOfUsers = Int(line.split(separator: ",").last!)!
    dict[deviceType, default: 0] += numberOfUsers
    return dict
}

let totalUsers: Int = deviceDictionary.values.reduce(into: 0, { $0 += $1 })

for (deviceType, numberOfUsers) in deviceDictionary {
    let percent = String(format: "%.2f", Double(numberOfUsers) / Double(totalUsers) * Double(100))
    print("\(deviceType): \(percent)%")
}

Result example:

other: 4.10%
ipad: 7.76%
iphone: 88.14%