How We Research
We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
Updated: 2026-09-25 · 7 min read · Independent comparison
Both are 1200W glass-pot air fryers in a white-or-black cylinder shape, and on paper they look almost like twins. The differences that actually matter come down to capacity, how many presets you get, and a couple of small design choices. Here's how I'd split them.
• HysPeaayyr's biggest strength: a 4.2L borosilicate glass pot with a stainless steel grill grid and an ergonomic heat-resistant handle — the handle is the standout detail for anyone nervous about lifting a hot glass pot.
• HysPeaayyr's biggest trade-off: no preset cooking programs. You set temperature and time yourself every single time, which is fine for confident cooks and annoying for anyone who wants one-touch.
• QWNBG's biggest strength: eight preset modes (French fries, roast, chicken wings, egg tarts, grilled fish, sweet potatoes, grilled shrimp, steak) plus a slightly larger 4.44Qt capacity.
• QWNBG's biggest trade-off: its built-in "special feature" is listed as temperature control rather than auto shut-off, so the safety story rests more on the timer than on a dedicated shut-off claim.
• Who HysPeaayyr is for: small kitchens, dorms, RVs, and cooks who like manual control and a clear view of the food.
• Who QWNBG is for: households feeding two to four people who want preset shortcuts and a bit more room in the basket.
The HysPeaayyr is built around a 4.2L borosilicate glass pot that's 360° transparent, so you can watch browning happen without pulling the pot out. That matters more than it sounds. Every time you open an air fryer you dump heat, and heat loss is exactly what turns roasted potatoes pale and steamy instead of crisp. A fully see-through pot means you keep the door shut and just watch.
The digital touchscreen runs 80–200℃ (176–392℉) with a 0–60 minute timer, and the stainless steel grill grid lifts food so hot air moves underneath as well as over the top. That's the part that gives you crisp edges on potato chunks instead of soggy bottoms. The pot is dishwasher safe, which is a real quality-of-life point given how much oil residue roasted potatoes leave behind.
The details I like: an ergonomic handle designed for a secure, heat-resistant grip — a genuinely thoughtful touch on a hot glass pot — plus auto shutoff and overheat protection. It measures 9.84" diameter by 12.6" tall and weighs 7.1 pounds, so it slides onto a counter, into an RV cabinet, or a dorm shelf without drama. Included: the fryer, one grill, and an English manual.
QWNBG Glass Air Fryer: Who It's For
The QWNBG runs the same 1200W and the same 80–200℃ / 176–392℉ range over a 0–60 minute timer, so the core cooking engine is comparable. Where it pulls ahead is convenience. Eight preset modes with default reference temperatures and times cover French fries, roast, chicken wings, egg tarts, grilled fish, sweet potatoes, grilled shrimp and steak. You can accept the defaults or override them, which is a nice middle ground: training wheels when you want them, full manual control when you don't.
Capacity is the other differentiator. QWNBG lists 4.44Qt (the spec sheet also notes 4.2L in one place, so treat the two as effectively the same ballpark — QWNBG's headline number is simply the larger one). Either way, it's positioned for a small family or a group of friends, with enough room to cook a main and a side without batch-cooking. For roasted potatoes specifically, a slightly bigger pot means you can spread cubes in a single layer instead of stacking them — and crowding is the number one reason home air fryer potatoes come out uneven.
Build is premium PP, borosilicate glass and stainless steel in a black cylinder, 9.8" x 9.8" x 12.6", 7.1 pounds, tabletop, no assembly. It's rated dishwasher safe for the glass pot only, and the 360° viewable glass is there for the same reason as the HysPeaayyr's — monitor without opening, avoid heat loss. The power cord is 80cm (31.5in), which is worth checking against your outlet position.
One honest caveat: the listed special feature is temperature control, not automatic shut-off. The timer still ends the cook, but if an automatic power-down on overheat is a must-have for you, that's a point in HysPeaayyr's column. Who should buy it: two-to-four person households, preset lovers, anyone who wants the extra headroom for a full tray of roast potatoes and carrots. Who should skip it: solo cooks in tiny spaces who'd rather not give up the counter footprint, and anyone who specifically wants a documented overheat shut-off.
Side-by-Side: Which Should You Choose?
• Best for one-touch roast potatoes → QWNBG Glass Air Fryer (dedicated "roast" and "sweet potatoes" presets; HysPeaayyr has none).
• Best for automatic safety features → HysPeaayyr Air Fryer 4.2L (auto shutoff and overheat protection are explicitly listed).
• Best for larger portions → QWNBG Glass Air Fryer (4.44Qt vs 4.2L, and marketed for a small family or group).
• Best for watching food brown without opening the pot → a tie. Both use 360° transparent borosilicate glass.
• Best for heat-resistant handling → HysPeaayyr Air Fryer 4.2L (its ergonomic handle is called out as heat-resistant; QWNBG doesn't emphasize the handle).
• Best for set-and-forget beginners → QWNBG Glass Air Fryer (8 presets with default reference temp and time).
• Best for hands-on cooks who want manual control → HysPeaayyr Air Fryer 4.2L (temperature and timer only, no preset clutter).
• Best for cleanup → essentially a tie. Both rate the glass pot dishwasher safe; HysPeaayyr also highlights a dishwasher-safe pot and stainless grill grid.
In my opinion, QWNBG Glass Air Fryer is the better buy for most people. The preset modes remove the guesswork from roasted potatoes — you press "roast," adjust if you want, and the glass pot lets you check browning without losing heat. The slightly larger capacity means you can spread potatoes and carrots in a single layer instead of crowding them, and crowding is what ruins home air fryer potatoes. I'd pick HysPeaayyr instead if your kitchen is genuinely tiny, if you want documented auto shut-off and overheat protection, or if you simply prefer setting your own temperature and time every cook. Both are 1200W, both are glass, both are 7.1 pounds — the decision comes down to presets and capacity versus compactness and explicit safety features. Check the current price on Amazon before you commit.
how to air fryer roasted potatoes
Cut potatoes into even chunks, toss with a little oil and seasoning, and spread them in a single layer so hot air can circulate. Set your air fryer to roughly 200℃ / 392℉ — the top of the range on both of these units — and cook in 15–20 minute blocks, shaking the pot between them. The glass pot on both models lets you watch for golden edges without opening the appliance and losing heat.
how to air fry roast potatoes ninja
I can't speak to Ninja-specific settings, but the principle carries over: parboil or blanch first if you want fluffy interiors, dry the potatoes thoroughly, then air fry at high heat with a shake every 15 minutes. On the QWNBG you'd start from the "roast" or "sweet potatoes" preset and adjust; on the HysPeaayyr you'd set 200℃ and a 0–60 minute timer manually.
how to air fry roast potatoes uk
UK-style roast potatoes usually mean a floury variety, a light oil or fat coating, and a hot finish for crunch — all of which work here. Both fryers reach 200℃ (392℉), and both run up to 60 minutes, which is enough for a decent-sized batch. If you're cooking for a family, QWNBG's 4.44Qt pot gives you more single-layer room than the 4.2L HysPeaayyr.
how to air fry roast potatoes and carrots
Chop carrots slightly smaller than the potatoes since they cook faster, or add them partway through. Keep everything in one layer — this is where QWNBG's larger capacity helps — and shake the pot every 15 minutes for even browning. Both models have a stainless steel grill grid that lifts food so air reaches the undersides, which keeps the bottoms from going soft.
As an Amazon Associate I earn from qualifying purchases.
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
When you buy through links on this page, we may earn a commission from qualifying purchases at no extra cost to you.
Amazon and the Amazon logo are trademarks of Amazon or its affiliates. This site is an independent third-party review and is not affiliated with, endorsed by, or sponsored by Amazon or the product brands mentioned.
See also: Seoqudcty Glass Air Fryer vs Generic Visual Air Fryer, HealSmart 10-in-1 vs Yykniey Glass Air Fryer: Best Non Toxic, Pazcii Glass Air Fryer vs Generic LUGBAR Beautiful 3