iPhone through the ages: just how much has it changed?

Update: The iPhone X, iPhone 8 and iPhone 8 Plus have arrived, bringing with them possibly the biggest shake up to the line since the original.

It was January 9 2007 when Steve Jobs took to the stage of the Moscone Center in San Francisco to announce the arrival of the iPhone, which went on sale on June 29 of the same year. That's a full 10 years ago!

If you find it difficult to remember that far back, people were flocking to the cinema to get teary-eyed at Will Smith in The Pursuit Of Happyness.

While our pop music and movie choices may not have improved much, smartphones were changed forever: from that point on, touchscreens, apps and digital media were the way forward.

The next big turning point in smartphone history is here though, with the introduction of the iPhone X.

Click on through to see every version of the iPhone from the first ten years.

Launched: June 2007 (US), November 2007 (UK)

Steve Jobs introduced the iPhone as three devices in one: a touchscreen iPod, a revolutionary mobile phone, and a truly mobile web browser.

Now we take touchscreens, digital media playback and web access for granted, but in 2007 the iPhone was unlike anything that had appeared before. Its 3.5-inch screen had a 320 x 480 pixel reoslution (one of the best displays of the time), with a 2MP camera built in, and up to 8GB of storage.

Third-party apps were not yet allowed on "iPhone OS". In the TechRadar review, we noted that despite several shortcomings, the phone had "changed the mobile device landscape… multitouch will prove to be a model for interfaces in the future".

Launched: July 2008

High-speed connectivity was big news in 2008, which is why the second generation iPhone included 3G in its moniker (rather confusingly, as this was the second generation iPhone). It also brought with it a thinner shape, a plastic back and – crucially – support for the newly launched App Store.

The app store model worked so well you'll now find it replicated in everything from your smart TV to your Windows 8 laptop, and the change helped Apple's phone really start to gain traction.

We said in our iPhone 3G review that buyers would be "amazed by the function and feel of this handset". The iPhone era had begun in earnest.

Launched: June 2009

The iPhone 3GS upgrade was viewed as disappointingly minor at the time, but look at the detail and a different picture emerges: as well as faster performance, the new handset offered a better 3.2MP camera (that could now record video as well as take photos), extra storage options and voice control (the precursor to Siri).

The display was the same 3.5-inch 320 x 480 screen, and the device's appearance remained largely unchanged from the 3G model. TechRadar's take on the unit praised the multimedia and internet capabilities, while still finding niggles with the camera, call quality and battery life – this was the first of the more iterative updates to the iPhone, but did enough to keep users happy.

Launched: June 2010

If the 3GS was a minor upgrade, the iPhone 4 was a serious step up – a new, flat design with an integrated antenna (although questions were raised about how you held the device), a high-resolution Retina display (640 x 960 pixels) that showed the rest of the world how it was done and a superior 5MP camera (featuring HD video recording), on top of internal performance improvements.

The competition was catching up, and Apple had responded in brilliant fashion. We were certainly impressed, despite some reservations about the high price, saying "It's intriguing to see record-breaking numbers queuing up to pick up this device – but after playing with it for a few days, you can see why."

Launched: October 2011

Apple pulled out the "S" tag again for the fifth generation handset, indicating a minor upgrade rather than a major overhaul.

The design of the iPhone 4S was the same, but inside was Apple's new A5 processor, vastly improved graphics capabilities and an 8MP camera with 1080p video recording. iOS was evolving at the same rate as the hardware, of course, and Siri began life as an iPhone 4S exclusive.

The improvements were enough to persuade us to describe it as "the best thing Apple has ever created" in the official TechRadar review.

Launched: September 2012

After six handsets, Apple finally decided it was time to tweak the iPhone's screen size and aspect ratio.

Coming in at 20% lighter than its predecessor, the 2012 iPhone adopted a 4-inch screen, running at 640 x 1136 pixels.

Otherwise, despite the usual speed bump and a stronger antenna, it was very much business as usual in terms of the design and capabilities.

Our biggest gripe in our iPhone 5 review was with the aging iOS, but with iOS 7 arriving on September 18 that issue is very much negated, which will please a number of iPhone 5 users who've been holding onto the handset for nearly a year.

Launched: September 2013

The big step in the seventh stage of the iPhone's evolution was the arrival of the iPhone 5C, a slightly cheaper, plastic-backed model to help battle Android in the busy mobile middle market. The signs were there already – remember Apple kept the iPhone 4 and 4S on sale during the iPhone 5 era.

Apart from the plastic shell and larger battery, though, the iPhone 5C was, in terms of specs, a carbon copy of the iPhone 5 – which was retired to make way for the two new handsets.

As for the flagship iPhone 5S, it was a case of under-the-hood improvements again: more power, a better camera, and a fancy fingerprint reader hidden under the home button. The bigger changes arrived with iOS 7, the most radical revamp of the mobile operating system since the App Store arrived back in 2008.

Launched: September 2014

After the smaller changes that came with the iPhone 5C and iPhone 5S, Apple was back to its revolutionary best with the following generation, as the iPhone 6 and iPhone 6 Plus brought the biggest alterations in design and features since the leap from the iPhone 4S to the iPhone 5.

The most striking change the eighth generation iPhones ushered in was undoubtedly the screen size, with the iPhone 6's display leaping from the iPhone 5's 4 inches to 4.7 inches. Apple also upped the resolution from the 1136 x 640 of previous iPhones to 1334 x 750. This meant that the larger screen still had a high pixel density of 326ppi (pixels per inch), so image quality was incredibly sharp and detailed.

As the name suggests, the iPhone 6 Plus went even larger, with a whopping 5.5-inch display, marking Apple's first foray into the phablet market. The iPhone 6 Plus also got a resolution boost to full high definition, 1920 x 1080. With a pixel density of 401ppi, not only does the iPhone 6 Plus have the largest screen of any iPhone ever, but it also has the clearest.

The iPhone 6 and iPhone 6 Plus also benefit from Apple's use of "dual-domain pixels", which along with the 1300:1 contrast ratio makes the screen on the handsets look absolutely fantastic.

Both the iPhone 6 and the iPhone 6 Plus also ditched the industrial and sharp-edged design that had been with the iPhone for four generations, in favour of a more ergonomically-pleasing chassis with a screen that curves into a body with rounded edges and corners.

Both handsets feature metal backs, and as we pointed out in our reviews, they take a lot of design language from the iPad Air, resulting in a product that looks and feels genuinely premium.

Another big change is that the boosted screen sizes and the corresponding increase in body dimensions have meant that the power button now resides on the right-hand side of the devices.

Along with the launch of the iPhone 6 and iPhone 6 Plus Apple, released iOS 8, which kept many of the flat aesthetics of iOS 7 and ushered in some neat new features.

It wasn't a completely smooth launch, however, and after only a few months Apple has already patched it to iOS 8.1.3 in a bid to squash bugs and fix problems.

The rocky launch of iOS 8 was in stark contrast to the assured releases of the iPhone 6 and iPhone 6 Plus, with Apple proudly announcing that the two iPhones broke the company's records for pre-orders in the first night they were available.

Launched: September 2015

Say hello to the iPhone 6S and iPhone 6S Plus. So what can you expect from Apple's ninth generation smartphone? As the names suggest the 6S and 6S Plus don't exactly ring the changes. Rather they build on the solid base provided by the 6 and 6 Plus from 2014.

The keep the same 4.7-inch and 5.5-inch displays, with the same resolutions, and there's nothing new in the design department with Apple sticking with the well received look of its eighth generation devices. There is however a new color, with rose gold joining silver, gold and space grey. Lovely.

Both still sport all metal bodies, but they're now formed from 7000 series aluminum, which Apple says is super tough.

There is a new power unit under the hood, with Apple's new A9 chip boosting performance, while the rear facing camera is now an impressive 12MP offering with a new Live Photo feature which can capture a few seconds of video with each snap.

The big talking point here though is Apple's new 3D Touch technology. This allows the display on the iPhone 6S and 6S Plus to monitor how much pressure you're applying to it.

With the ability to measure the force of your finger, the new iPhones can provide additional functionality. Peek at content without the screen it's embedded in by lightly pressing on it, and press firmly to open it in a separate window.

Launched: March 2016

The latest cheaper release from Apple is the iPhone SE, which takes a lot of features from the iPhone 5S and brought them into a phone ready to face the market of 2016.

It's the perfect choice for you if you're looking for a smaller iPhone as it comes with a 4-inch screen. The body looks much like the iPhone 5S and while the design may seem a little tired, it still feels premium to the touch.

Plus the iPhone SE comes with a 12MP rear-facing camera, a 64GB storage option and iOS 9 software.

The screen technology on the iPhone SE is a little out of date but the iPhone SE is the cheapest Apple phone you can buy right now and it offers up a better battery life than any other iPhone you can buy today.

Launched: September 2016

Then there's the latest phones from Apple - the iPhone 7 and the iPhone 7 Plus. Launched in September 2016, these are two of the best devices the company has ever made, and the iPhone 7 Plus even received 4.5 stars out of 5 in the TechRadar review.

We praised the camera on both of these devices, especially the iPhone 7 Plus, as that comes with a telephoto lens which allows you to take 2x lossless optical zoom photos with ease.

The iPhone 7 still has a great shooter though, with fantastic low light skills and one of the best point and shoot rear cameras on the market.

This is also the time Apple embraced waterproof phone tech. Both the iPhone 7 and iPhone 7 Plus come with IP67 ratings, which means you can submerge your phone in water for a few minutes or more without worrying about it getting damaged.

Perhaps the biggest headline of the iPhone 7 and iPhone 7 Plus is the fact the company has said goodbye to the 3.5mm headphone jack. Apple called the decision "brave" to lose the legacy tech, but many have been disappointed the company has ditched it.

Launched: September 2017

No you've not missed a slide, the iPhone 7S and 7S Plus simple do not exist. Instead, Apple treated us to the iPhone 8 and iPhone 8 Plus during its September 12, 2017 launch event at its brand new Cupertino, California HQ.

Don't let the lack of the 'S' suffix fool you though, as these two new iPhones look incredibly similar to the iPhone 7 and 7 Plus they replace - it's another incremental upgrade (but Apple did have something rather special alongside these two - move to the next slide to learn more!).

Back to the iPhone 8 handsets though, and this time around you get an all glass rear, which in turn has brought wireless charging to both phones while the screen has been improved color wise, but still has the same resolution as predecessors.

The rear facing 12MP camera on the iPhone 8 has also been improved, as has the dual snapper on the back of the iPhone 8 Plus, giving you brighter, clearer and more colorful snaps.

Both phones also benefit from Apple's brand new A11 Bionic processor and upgraded GPU, ensuring there's plenty of grunt under the hood.

Read our hands on iPhone 8 review
Read our hands on iPhone 8 Plus review

Launched: September 2017

The iPhone X was the phone that stole the show, pushing aside the incremental upgrades that are the iPhone 8 and 8 Plus, and dazzling Apple fans around the world with a bold new look.

TechRadar's own Gareth Beavis went as far to say the iPhone X is "the most important iPhone ever launched" - no pressure then.

The main event here is the bezeless 5.8-inch Super Retina HD display, packing in 2436 x 1125 resolution for a 458ppi pixel density.

It's the first iPhone ever to use an OLED display, meaning it packs a more powerful punch, and it's led to another iPhone first too.

The iPhone X does not have a home button. Repeat, the iPhone X does not have a home button.

Apple has ditched the physical key in favor of a swipe up gesture from the bottom of the screen, while the fingerprint scanning Touch ID tech has also been kicked to the kerb.

In its place is Face ID, a facial scanner technology that accurately maps your face and - Apple claims - is much more secure than Touch ID.

All this comes at a cost - and the iPhone X is also the most expensive iPhone ever, starting at an eye-watering $999, £999, AU$1,579.