The all-glass device has an edge-to-edge display and no home button. In addition, a new "Portrait Mode" with "Portrait Lighting" to allow for better selfies by adjusting the depth-of-field effect. Last year, Apple's revenue declined when many consumers rejected the iPhone 7 as being too similar to the iPhone 6.
The iPhone maker was the second-biggest drag on the S&P behind McDonald's, which fell 3.2 percent to a more than one-month low on concerns about its third-quarter results.
Apple's CEO Tim Cook expressed, "There's a lot of companies that have much higher margins. Nothing has ever been more simple, natural and effortless", he said earlier.
Without looking closely, it's easy to mistake the iPhone 8 for the iPhone 7.
You'll also want to figure out exactly how you're going to put in an order for your new phone. The dual camera will be just on the iPhone 8 Plus while the iPhone 8 will have a 12MP rear camera.
The iPhone X incorporates Apple's new Face ID feature.
Another iPhone feature includes wireless charging. Both also have wireless charging.
The iPhone X comes in 64GB ($1579 AUD) and 256GB ($1829 AUD) versions, available in Silver and Space Grey. The highlight of the Apple Watch Series 3 is the built-in support for LTE connectivity, alongside the standard Wi-Fi and Bluetooth connectivity options.
The watch is powered by Apple's S3 SoC, which the company says is 70% faster than the previous chip and offers faster app launching and smoother graphics.
The phone's facial recognition abilities can also be used for new "animoji", animated emoji that closely mimic a user's facial expressions and which can be used within iMessage.
"Now, you can go for a run with just your watch", said Jeff Williams, Apple's chief operating officer and in charge of Watch development.
The iPhone 8 and iPhone 8 Plus will hit shelves September 22. During the unveil, Apple said there will be an "introductory offer" from carriers but didn't give any details on that. Apple also reduced the price of Apple Watch Series 1 to $249.
Cellular version is $399, $329 for WiFi only. Some 1.2 billion have been sold in that time.