iPhone Air vs Galaxy S25 Edge: Which Ultra Thin Phone Wins?

By Sam Hargreaves | Updated 06 Jan 2026

iPhone Air vs Galaxy S25 Edge: Which Ultra Thin Phone Wins?

iPhone Air vs Galaxy S25 Edge: Which Ultra Thin Phone Wins?

Smartphone design has taken a clear turn towards thinner and lighter devices. With the iPhone Air and the Galaxy S25 Edge, Apple and Samsung are both pushing the limits of how slim a modern smartphone can be without sacrificing performance. These phones are designed to feel almost invisible in your pocket while still delivering premium features.

If thinness, comfort and everyday usability matter to you, these two models are likely already on your radar. The question is which one actually suits your needs best.

Design and Thinness

Both phones focus heavily on ultra thin design. The iPhone Air is built for people who want a phone that feels light, sleek and effortless to carry. It sits comfortably in one hand and slips easily into a pocket or bag, making it ideal for everyday use.

The Galaxy S25 Edge takes a similar approach but adds Samsung’s signature curved edges. This creates a slim visual profile and a smooth feel when holding the device, reinforcing its reputation as one of the thinnest Samsung phones to date.

If you value a phone that feels refined and barely noticeable during the day, both devices deliver that ultra slim experience.

Display Experience

The iPhone Air focuses on colour accuracy and brightness, making it well suited for browsing, messaging and streaming. Despite its thin body, the display still feels immersive and premium.

The Galaxy S25 Edge leans into visual impact with a vibrant display that curves subtly around the sides. This enhances the feeling of thinness and gives videos and content a more cinematic look.

Performance in Daily Use

Despite their slim profiles, both phones offer strong performance for everyday tasks. Apps load quickly, multitasking feels smooth and general responsiveness is excellent on both devices.

For most users, the difference in speed will be minimal. Both phones are designed to deliver powerful performance without needing bulky hardware.

Battery and Practicality

One common concern with ultra thin phones is battery life. Both the iPhone Air and Galaxy S25 Edge focus on efficiency rather than battery size alone.

They are built to comfortably last a full day for typical use, although heavy gaming or long video sessions may require a top up. For many people, this is a worthwhile trade off for a lighter and slimmer phone.

Which Phone Is Better for You?

The iPhone Air is a great choice if you prefer a clean design, a simple user experience and a phone that feels extremely light in the hand. It suits people who value elegance and ease of use.

The Galaxy S25 Edge is better suited to those who enjoy a more visual experience and appreciate curved edges combined with an ultra slim frame.

Buying Smart with Refurbished Tech

Ultra thin flagship phones often come with premium price tags when bought new. Choosing refurbished devices allows you to enjoy cutting edge design and performance at a more sensible cost.

If you are considering an upgrade, it is worth exploring the wide range of refurbished phones available on Envirofone. This makes it easier to compare slim and lightweight models while keeping your budget under control.

Both the iPhone Air and Galaxy S25 Edge show that powerful smartphones no longer need to be bulky. The right choice comes down to which design and overall experience feels right for you.

Advice Centre: iPhone Air vs Galaxy S25 Edge | Envirofone