Breville Joule Oven Air Fryer Pro vs. Breville Smart Oven Air Fryer Pro: Which Countertop King Actually Wins?

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You have a perfectly usable oven. It bakes, it roasts, it does exactly what an oven is supposed to do. And yet here you are, researching a countertop appliance that costs the same as a decent weekend away. That's Breville's fault, mostly — they make countertop ovens that are genuinely hard to dismiss once you've seen what they can do.

The two models most people end up comparing are the Breville Smart Oven Air Fryer Pro (BOV860) and the Breville Joule Oven Air Fryer Pro. They look similar at a glance. Both are premium, both air fry, both sit on your counter taking up considerable real estate. But they're aimed at meaningfully different buyers, and picking the wrong one is an expensive mistake.

This article lays out the real differences — design, cooking performance, smart features, and value — so you can make a genuinely informed decision rather than just going by which one looks nicer in a press photo.

Quick Comparison Table

Design and Build Quality

Breville Smart Oven Air Fryer Pro (BOV860)

The BOV860 is a big, confident-looking machine. Brushed stainless steel, physical dials and buttons, an interior light that flicks on when you open the door — it feels like a proper appliance rather than a gadget. The interior capacity sits around 0.8 cubic feet, which is large enough to fit a 13-inch pizza or roast a whole chicken without contorting the rack. Breville builds these with a noticeably solid door hinge, and the interior walls hold heat well.

The controls are deliberately analogue in feel: a large function dial, a temperature dial, and a time dial. No touchscreen. If that sounds limiting, it's actually a feature for a lot of people — especially anyone who's grown tired of hunting through app menus to preheat an oven. You turn it on, select a mode, set the temperature, and cook. No Bluetooth required.

One real-world complaint that shows up consistently in owner feedback: the exterior gets hot. Not dangerously so, but warm enough that placement near cabinets needs thought. The footprint is also substantial — measure your counter space before ordering.

Breville Joule Oven Air Fryer Pro

The Joule Oven is the more technologically ambitious of the two. It connects to the Breville Joule app (iOS and Android), which offers guided recipes with automatic temperature adjustments — the oven can literally change its own settings mid-cook based on what the recipe calls for. That's a genuinely useful feature rather than a gimmick, particularly if you cook things like multi-stage roasts or proof dough.

Aesthetically, it's cleaner and more minimal than the BOV860, leaning into that connected-appliance look rather than traditional kitchen gear. The interior is similarly spacious. Build quality is on par with the Smart Oven line — Breville doesn't cut corners here — but the interface shifts more toward a screen and app interaction model. Owners who don't use the app are essentially paying extra for features they'll never touch, which is a fair criticism.

The Joule app integration also means you're dependent on Breville maintaining it. That's a real consideration for a £350–£450 appliance you expect to last a decade.

Cooking Performance: Where It Actually Matters

Element IQ vs. Smart Cooking Algorithms

The BOV860 uses Breville's Element IQ system, which allocates power across five independent quartz heating elements based on the selected cooking function. Toast mode concentrates heat from above; bake mode shifts it toward the bottom; air fry runs the rear convection fan at high speed with balanced element distribution. In practice, this means the oven is quite good at doing what each mode promises — the toast is genuinely even, the air fry crisps reliably, and the roast function produces real browning rather than the pale, steamed result you get from lesser convection ovens.

The Joule Oven takes a different approach, layering app-driven recipe guidance on top of a similarly capable heating system. The advantage is that if you're cooking something unfamiliar — say, a thick cut of fish or a specific pastry — the app guides you through it and adjusts the oven's behavior accordingly. For confident, experienced cooks who know their target temperatures by heart, this adds little. For people learning to cook or expanding their repertoire, it's a meaningful difference.

Both ovens air fry well. Based on published specs and verified owner feedback, neither has a clear dominance in raw air frying performance — the real differentiation is in usability and workflow, not output temperature or crispiness.

Capacity and Accessories

The BOV860 ships with a 13-inch pizza pan, a broiling rack, an air fry basket, and a roasting pan. That's a solid accessory set — you're not immediately buying add-ons. The Joule Oven's accessory package is comparable, though specific inclusions can vary by retailer; always confirm what's in the box before purchasing.

Smart Features: Are They Actually Useful?

The Joule Oven's app connectivity is the headline differentiator, and it's worth being clear about what it does and doesn't deliver. The Joule app has an extensive recipe library with step-by-step guidance that can automatically push settings to the oven — so you select