Ninja Air Fryer AF100UK 3.8L
Our verdict · The safe, no-fuss choice for couples who want a proven brand and simple controls over app features.
Buy it if
You want a proven, plug-in-and-go compact from a brand with strong support and a 2-year guarantee.
Skip it if
You want smart app presets or the ability to run two separate cooking zones.
Where to get it
Ninja Air Fryer AF100UK 3.8L
From around £80 (indicative; RRP £99.99)
Indicative price at the time of review.
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The AF100UK is the compact everyone knows, and it earns its number-two spot on reliability and reviewer feedback rather than features. Ninja lists it as suiting up to two people, with a 3.8L basket, 1550W, and four functions: Air Fry, Roast, Reheat and Dehydrate. It is small enough to cupboard away (about 34.5H x 27.9W x 33.8D cm, 4.4kg) and all removable parts are non-stick and dishwasher-safe, with a 2-year guarantee on registration adding peace of mind the budget picks do not match. Against the Cosori Lite above, you trade app control and a slightly keener price for Ninja's stronger reliability reputation and a dehydrate mode; the dishwasher-safe basket and simple dial controls make it the easier first air fryer. We place it just behind the Cosori on a marginally lower features and value balance.
The good & the bad
Pros
- Strong reliability reputation and a 2-year guarantee on registration
- Simple controls suit first-time air fryer users
- Compact and light enough to store in a cupboard between uses
Cons
- No app or smart presets
- Fewer functions and a slightly higher typical price than the Cosori Lite
How it compares
| Pick | WATTB Score | Price | Best for |
|---|---|---|---|
| 1.Cosori Air Fryer Lite 3.8L | 91/100 | From around £70 (indicative; RRP £89.99) | overall for two people |
| 2.Ninja Air Fryer AF100UK 3.8LThis pick | 89/100 | From around £80 (indicative; RRP £99.99) | trusted everyday all-rounder |
| 3.Ninja Double Stack XL SL400UK | 89/100 | From around £199 (indicative; RRP £269.99) | cooking two things at once in a small footprint |
| 4.Russell Hobbs SatisFry Medium 27160 4L | 84/100 | From around £65 (indicative; RRP £94.99) | value budget compact |
| 5.Instant Vortex Mini 2L | 81/100 | From around £45 (indicative; RRP £59.99) | the tightest spaces |
Good to know
- Price
- From around £80 (indicative; RRP £99.99)
- Capacity
- 3.8L (Ninja rates it for up to 2 people)
- Power
- 1550W
- Functions
- 4-in-1: Air Fry, Roast, Reheat, Dehydrate
- Footprint
- Approx. 34.5H x 27.9W x 33.8D cm, 4.4kg
- Warranty
- 2-year guarantee on registration
Researched by WATTB
- Published
- 14 September 2026
- Updated
- 14 September 2026
- Last verified
- 14 September 2026
- Sources
- 7 sources
We research and rank options from public data, official information and published reviews. How we research →
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