Measure your counter in jobs, not inches. A typical small kitchen has room for two, maybe three appliances living out permanently. Everything else must either earn a cabinet spot by being genuinely multi-use, or it becomes the thing you move around to make toast. Before buying anything, ask what it replaces: the best small-kitchen purchase deletes two older tools.
The second rule is vertical. Drawers, walls and the insides of cabinet doors are free space that most kitchens waste. Storage tools that organize what you already own often upgrade a small kitchen more than any new appliance can.
The Instant Pot RIO 7-in-1 (6 Qt) is the anchor: pressure cooker, slow cooker, steamer and more in one pot, which means several single-purpose appliances never need to exist. It lives in a cabinet between uses and takes over weeknight cooking when it comes out.
The Ninja Air Fryer Pro 4-in-1 (5 QT) is the second anchor, because it quietly replaces the oven for most small meals: faster, no preheat marathon, and sized for real dinners instead of snack portions. Between the two, most of what a small kitchen cooks is covered.
The Ninja Professional Blender BL610 (1000W) earns the third spot because its job list keeps growing: smoothies, frozen drinks, soups, sauces and crushed ice. A blender that only does smoothies is a luxury; one that works like this is infrastructure.
The CAROTE 27-piece cookware set is built for exactly this problem: the handles detach, so the pots and pans stack inside each other instead of colonizing a whole cabinet. One set, a fraction of the storage footprint, and the stovetop looks like an adult lives there.
Two small tools finish the job. The Etekcity food scale (EK6015) is nearly flat, slides into a drawer, and makes baking and meal prep measurably better. The Kitchen Gizmo Snap N Strain clips onto the pot you are already using, which means the bulky colander, the small kitchen's most awkward resident, can retire.
Skip anything that does one narrow job a knife or a fork already does: dedicated slicers, dicers and shapers for single ingredients are the classic small-kitchen regret. If a gadget's only talent is preparing one food in one shape, it will be donated within a year.
Also skip duplicate appliances in disguise. If your multi-cooker already slow-cooks, steams and sautés, a separate machine for each of those jobs is not a collection, it is clutter with plugs. Buy depth in a few tools, not breadth in many.
The verdict
Start with the Instant Pot RIO and the CAROTE set: one deletes appliances, the other deletes a cabinet problem. Add the scale and the Snap N Strain for almost no space at all, and let every future gadget argue its way past the same test.