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How DeviceAtlas detects iPhone models

Detecting iPhone models has always been a bit of a headache for companies working in the online space, mainly due to the fact that device model tokens are missing in the UAs. You won't find iPhone models in your Google Analytics dashboard. Here's how DeviceAtlas tackles this issue.

Pawel Piejko - 11 Nov 2018
5 min read

iPhone model detection with DeviceAtlas

Detecting iPhone models has always been a bit of a headache for companies working in the online space, mainly due to the fact that device model tokens are missing in the UAs. You won’t find iPhone models in your Google Analytics dashboard which shows a single “Apple iPhone” category for all iPhone models.

Here’s how DeviceAtlas tackles this issue.

The missing iPhone model tokens

Due to the fact that device detection is mainly done via analysing User-Agent strings, it is possible that device manufacturers disable this possibility simply by not providing enough information in the UA. This is what happened in the case of Apple devices which don’t share device model-specific tokens in the UA. The result is that it is not possible to detect iPhone models using a simple keyword-based method which is often used by home-grown device detection solutions.

Here is an example User-Agent string used by an iPhone 8.

Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/604.1.34 (KHTML, like Gecko) Version/11.0 Mobile/15A5341f Safari/604.1

The information contained in the UA says that the device is an iPhone. There’s also information on the OS version and the rendering engine. But there are no tokens containing the exact model name which could be used for detection purposes.

Currently, you can view non-Apple devices in Google Analytics, such as "Xiaomi Redmi Note 4" or "Samsung SM-G610F J7 Prime" as below. However, you'll probably see one device at the top of that list - the "Apple iPhone".

Given Apple’s decision not to share iPhone models in the UAs, the only way to ensure that the right model names are detected is to search for information unique to different models. For this purpose DeviceAtlas uses the Client-side Component, a lightweight JavaScript file which is sent to the user’s device to retrieve some extra information.

DeviceAtlas Client-side component for detecting iPhone models

This technique is used to detect screen resolution, pixel ratio, cookie support, or screen orientation. Here is the full list of client-side properties.

The unique information used by the DeviceAtlas Client-side component to detect iPhone models is the screen aspect ratio. Some iPhones have slightly different screen aspect ratios which are detectable through JavaScript and can be used to effectively distinguish them.

However, the screen aspect ratio in the case of some models is exactly the same, which is why we decided to detect groups of Apple devices with the same screen resolution: iPhone 4/4S, iPhone 5/5S/5C/SE, iPhone 6/6S and iPhone 6 Plus/6S Plus.

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More granular iPhone detection

CPU performance is another property that could be analysed in order to get more granular results in terms of iPhone models.

For example, iPhone 6 is powered by a 1.4GHz CPU while iPhone 6S is powered by a 1.84GHz CPU. We tested this approach using the client-side data and for now decided that its impact on the speed of detection may be too high, while the detection accuracy is also unreliable.

Our R&D team is currently researching alternative methods of retrieving more detailed information on iPhone models. We will keep you updated on the DeviceAtlas blog.


The DeviceAtlas team solved this problem by identifying subtle differences between Apple devices which are distinguishable using the client-side component.

The following table shows iPhone and iPad model detection available with the DeviceAtlas client-side method.

Apple device Without client-side With client-side 1.5
iPhone iPhone iPhone/iPhone 3G / iPhone 3GS
iPhone 3G iPhone iPhone/iPhone 3G / iPhone 3GS
iPhone 3GS iPhone iPhone/iPhone 3G / iPhone 3GS
iPhone 4 iPhone iPhone 4
iPhone 4S iPhone iPhone 4S
iPhone 5 iPhone iPhone 5 / iPhone 5C
iPhone 5C iPhone iPhone 5 / iPhone 5C
iPhone 5S iPhone iPhone 5S
iPhone 6 iPhone iPhone 6
iPhone 6 Plus iPhone iPhone 6 Plus
iPhone 6S iPhone iPhone 6S
iPhone 6S Plus iPhone iPhone 6S Plus
iPhone SE iPhone iPhone SE
iPhone 7 iPhone iPhone 7
iPhone 7 Plus iPhone iPhone 7 Plus
iPhone 8 iPhone iPhone 8
iPhone 8 Plus iPhone iPhone 8 Plus
iPhone X iPhone iPhone X
iPhone XR iPhone iPhone XR
iPhone XS iPhone iPhone XS
iPhone XS Max iPhone iPhone XS Max
iPad iPad iPad
iPad 2 iPad iPad 2 / iPad mini
iPad 3 iPad iPad /retina display
iPad 4 iPad iPad Retina (4th Gen)
iPad Air iPad iPad Air / iPad mini 2 / iPad mini 3
iPad Air 2 iPad iPad Air 2
iPad mini iPad iPad 2 / iPad mini
iPad mini 2 iPad iPad Air / iPad mini 2 / iPad mini 3
iPad mini 3 iPad iPad Air / iPad mini 2 / iPad mini 3
iPad mini 4 iPad iPad mini 4
iPad Pro iPad iPad Pro

Below is an example of just some of the further details and device characteristics available for the iPhone 8 Plus.

API input API output
Apple iPhone 8 Plus DeviceAtlas ID: 23118940
  Device Vendor: Apple
Device Model: iPhone 8 Plus
Marketing Name: iPhone 8 Plus
Manufacturer: Apple
Year Released: 2017
Mobile Device: True
Primary Hardware Type: Mobile Phone
Touch Screen: True
Screen Width: 1080
Screen Height: 1920
Display PPI: 401
Device Pixel Ratio:3
Screen Color Depth: 32
  NFC: True
  + 170 further data properties

Further reading


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