MeltFlex AI Furnished My Empty Flat From a Single Photo
9 July 2026
I Spent Two Weeks Trying to Catch This AI Interior Design Tool Cheating.
I skipped the pretty show homes and pointed an AI interior design app at a bare, unfurnished room, the setup that usually exposes these tools, to see whether it would fit out my real space to scale or simply gift me a better looking apartment.
Almost every AI interior design demo is a trick pulled on a room that never needed rescuing. Flawless light, designer furniture, floors you could eat off. None of it resembles the place most of us actually come home to. I wanted to watch the software sweat, so I fed MeltFlex AI, an AI interior design tool, a photo of a bare open plan room, raw oak boards, one big backlit window, a fitted kitchen running down the right side, and not a single stick of furniture anywhere. Empty rooms are the honest exam, because when there is nothing to preserve, a weak model just paints you a nicer apartment and hopes you never clock that it is not yours.
The promise never changes across this category. One photo in, roughly twenty seconds out, and back comes a photorealistic version of your room where every object is something you could drop into a basket. The company puts its user count north of 213,000, tilted heavily toward the United States. All I cared about was a single question: would the result still be my room, or a good looking stranger standing on my floorboards.
The trap I set
In an empty room, scale is the first thing to fall over. Nothing in the frame tells the model how wide that wall really runs, so a poor one parks a sofa the size of a car, shoves a cabinet across the window, or gently irons out whatever corner of the room looks like a nuisance. Mine handed it three nuisances at once: a window throwing so much backlight that most engines melt it into a white blur, a built in kitchen a sloppy render would cheerfully wallpaper over to suit the mood, and a clumsy run of ceiling trim. Photo uploaded, room type set, one style chosen, and I sat back to see what it would try.
What actually surprised me
It left the kitchen alone. That reads as nothing until you have seen rival tools dissolve an entire fitted kitchen into a blank accent wall because the cabinets clashed with the look they were chasing. Here the units, the sink, the oven and the open shelving all held their positions, and everything else arranged itself around them. The window stayed a window. Rather than frying the backlight, it played along and dropped a soft sunset behind the glass. Same oak floor, same ceiling fittings, same proportions. What came back was the room I genuinely own, and nailing that is the one job most of these apps still get wrong.
The next thing it gets right is speed, and speed quietly rewires how you use the tool. My first proper render was finished before I had reread the brief, and when a result arrives that quickly you stop treating any one of them as precious. I pushed the same empty shell through Scandinavian, Japandi, industrial and mid century one after the other, the kind of comparison nobody bothers running when a single picture takes twenty minutes. It is the same job estate agents outsource as virtual staging, except here it cost a few seconds and no stylist ever turned up.
The furniture is real, with an asterisk
What pulled this out of gimmick territory is that the furniture is inventory, not decoration. That grey modular sofa in my render is a product I can pull up and order, matched to listings at retailers such as IKEA, Amazon and Wayfair with the prices sitting right there, so the picture works as a budget for my own room as much as a mood board. The catch, and there is always a catch, is that it serves you the actual product or something close to it, meaning the piece on screen is not guaranteed to be the piece you check out with. It walks you to the right sort of sofa, not always to that precise one.
Where it bluffed
Now the part where the gloves come off. To me, that space is a living room. MeltFlex looked at it, decided it was a studio, and slid a double bed into the middle of my plans. The result is lovely, but it rewrote what the room is for without asking, and a newcomer could easily read that call as advice rather than a guess the model made. It fudges measurements too, the sort of small drift that would burn you if you ordered something sized to the last centimetre off the image. Treat the output as a confident direction, not a survey. MeltFlex owns that limit more openly than most of its rivals, yet the render is polished enough that you want to believe it further than you safely should.
Input quality is not a footnote here, it is the whole ballgame. My shot was straight, bright and taken in daylight, and the output looked shareable. Hand the same engine a dark, tilted phone grab and it returns a muddy smear, with no warning that the fault was yours and not the software, so plenty of people will pin their own bad lighting on the app. The sharpest render also sits behind the paid plans, which open near 29 euros a month and climb to 59 for pro, and there is no tidy pay once option for the person sorting out a single room a single time. Closing that gap is the first change I would ask for.
The verdict
I gave this thing the meanest version of its own task, a blank room with nothing to copy, and it dressed my actual space instead of swapping in a prettier one, held onto the awkward bits, and clipped a working shopping list to the whole thing. It also rewrote my room’s purpose uninvited, talks up its own accuracy, and expects a monthly plan for a job plenty of people face exactly once. Two weeks of me prodding it for the con, and it mostly refused to hand me one, which coming from me counts as real praise. As a place to start, not a plan to build from, it beat my expectations and beat most of what else is out there.
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