The Samsung Galaxy Note 2 looks to be next in line for the update after those two as networks in France and India have already started rolling it out.
The Samsung Galaxy S4 Active is getting in on the KitKat fun too. AT&T has announced that it's started distributing it in the US, but we're still waiting to hear from other networks and regions.
Alongside these phones other devices set to receive the update sometime in the coming months include the Galaxy S3 Mini and Galaxy Note 8.0. Both the Galaxy S4 Zoom and Galaxy Tab 3 7.0 are also set to receive Android 4.4 at some point.
Updated: According to HTC's official update page (UK, US), the UK models of the HTC One are now receiving the Android 4.4 KitKat update. Well that is if you are running the One on handset that isn't currently locked to EE. Elsewhere the One Mini and One Max are in the integration stage meaning networks have yet to get their hands on the software to certify it.
Its a different story in the US where the unlocked, developer edition, Google Play edition as well as Sprint and Verizon branded handsets have all received the updates. AT&T, T-Mobile are still running their own test.
Owners of the HTC One Max on Verizon should already have the update, with Sprint still awaiting the updated OS from HTC. AT&T are also waiting for HTC to pass on the update for the One Mini.
Older handsets including the One X and One X+ will miss out on the update - although we're keeping an eye on that one, as things can change... don't hold your breath though.
Updated: Sony has confirmed that Android 4.4 KitKat should now be available for the Xperia Z Ultra, Xperia Z1 and Xperia Z1 Compact, though its availability will depend on your network. Sony is also planning on rolling out the update to the Xperia Z, Xperia Tablet Z, Xperia ZL and Xperia ZR in May.
Updated: The good news is that the LG G2 Android 4.4 KitKat update is real. Given that LG built the past two Nexus devices, we were a little hopeful. It has even started the roll out on the T-Mobile and Sprint networks in the US, as well as in its native South Korea.
The bad, but not so bad, news is that there is still no official word on when we are likely to see the update land but current rumours have it pegged to launch at MWC next week. Here's hoping. Word is that the AT&T LG G2 is currently receiving the update whilst the rest of the world will have to wait til mid-March.
Rumours surrounding the LG Optimus G also have the 2012 flagship set to receive the update making the jump direct from Android 4.1.
Updated: Owners of the European Moto G have been able to the Android 4.4 KitKat update since mid-January. In the US those that purchased the budget handset through Amazon, direct from Motorola or on Boost will also be able to gain the download.
Android 4.4 KitKat is also available from launch in the UK on the Moto X, with US owners now also able to grab the download. Other handsets in the US are also receiving the KitKat update including Verizon's Droid Ultra, Droid Maxx, and Droid Mini.
Over in Australia updates are a little more sparse. Currently the Motorola Razr HD is listed for updating with the decision on the Razr M having yet to be made.
When it comes to devices, Huawei may be famed for its budget offerings. This sometimes means that software updates can be a little hard to come by.
Updated: According to the Huawei Ascend P6 Facebook page the handset started receiving the update to Android 4.4 KitKat in January.
Alongside Huawei, its Chinese compatriot ZTE is another firm famed for lower end devices.
Although ZTE currently has no word on planned updates, we could see an Android 4.4 KitKat upgrade land on these devices if there proves to be enough of a clamour.
Acer isn't necessarily a brand that many will associate with Google's mobile OS, however it does have a few devices out there running Android software.
As with every other manufacturer, we have contacted Acer to find out more.