Ninja Foodi NeverDull Knife Block Set: The Complete Review
The Ninja Foodi NeverDull knife block set is Ninja's premium kitchen knife offering, distinguished by the automatic sharpening system built into the knife block. This review covers the specific NeverDull sets, what you get, how the system actually works, and whether it's worth the price compared to conventional alternatives.
Understanding the NeverDull System
The central innovation in Ninja Foodi NeverDull sets is the knife block itself. Unlike conventional blocks that simply store knives, the NeverDull block has ceramic sharpening rods built into each knife slot.
When you insert a knife into a slot, the blade contacts the ceramic rods. When you withdraw the knife, the blade contacts them again. Every insertion and withdrawal provides a light automatic honing pass.
This solves a real problem: most home cooks never sharpen their knives. A conventional block stores knives without doing anything to maintain the edge. After months of use without sharpening, knives become frustratingly dull. The NeverDull system provides automatic maintenance that keeps edges serviceable without any action from the user.
Available NeverDull Configurations
Ninja Foodi NeverDull Premium 14-Piece (~$160-190)
The flagship configuration includes: - 8.5-inch chef's knife - 8-inch bread knife - 8-inch slicing knife - 7-inch santoku - 5.5-inch utility knife - 3.5-inch paring knife - 6 steak knives (serrated) - Kitchen shears - NeverDull 14-slot block
Ninja Foodi NeverDull 12-Piece (~$130-160)
- Same cooking knives as the 14-piece
- 6 steak knives
- Kitchen shears
- NeverDull block
- Omits the slicing knife and/or santoku compared to the 14-piece
Ninja NeverDull 20-Piece (~$200-230)
Extended configuration with 8 steak knives and additional specialty pieces.
The difference between the 12 and 14-piece is primarily the additional slicing knife and santoku. For most home cooks, the 12-piece covers all standard cooking needs.
Blade Construction
Ninja Foodi NeverDull knives use stamped stainless steel blades. The specific steel grade isn't published, but performance characteristics place it at HRC 52-56, standard for mid-range kitchen knives.
This steel quality is: - Adequate for regular home cooking - Better maintained by the NeverDull system than it would be without automatic honing - Not as hard or edge-retentive as German forged alternatives (Wusthof, Henckels Professional S) - Not in the performance range of premium Japanese steel (VG-10, AUS-10)
The NeverDull system partially compensates for moderate steel hardness by maintaining the edge continuously. Compared to neglected knives of similar steel quality, NeverDull knives perform significantly better over time.
The Steak Knives
The 6-8 steak knives in NeverDull sets are serrated. They use the same NeverDull block slots, so they also receive automatic honing on each use. This is a genuine benefit, serrated steak knives maintained by the NeverDull system stay sharper than neglected alternatives.
Performance Over Time: The Key Question
The practical question for NeverDull sets is whether the automatic maintenance actually keeps knives performing better than conventional alternatives after 6, 12, or 24 months of use.
Based on the mechanics: yes, if the alternative is a conventional block with no manual sharpening. The NeverDull system provides consistent light maintenance that conventional blocks don't. For the target audience (cooks who cook regularly but never sharpen), the system keeps knives in noticeably better condition than they'd be otherwise.
The comparison that matters is: NeverDull at $130-160 vs. Victorinox Fibrox 3-piece at $75-80. The Victorinox set uses better steel (doesn't need as much maintenance) but requires actual manual honing to stay sharp. If you won't hone manually, the NeverDull system at its price point may keep your knives sharper in practice than the technically superior Victorinox knives that never get honed.
What You're Not Getting
Premium steel: The blade quality is solid for the price but not exceptional. Wusthof Classic, Henckels Professional S, and Tojiro DP all use better steel.
Forged construction: The stamped blades are lighter and less balanced than forged alternatives.
Compatibility with other knives: The NeverDull block is calibrated for Ninja's edge angle. Non-Ninja knives stored in the block may not receive proper angle-matched maintenance.
Price Comparison at the 12-Piece (~$130-160)
Victorinox Fibrox 3-piece (~$80): Better steel, no automatic sharpening, requires manual maintenance.
Wusthof Gourmet 7-piece (~$150-180): German forged, better edge retention, no NeverDull feature.
Henckels International 15-piece (~$80-120): Similar steel tier to Ninja, more pieces, no automatic maintenance.
The Ninja NeverDull's premium over conventional alternatives buys the automatic maintenance system. Whether that's worth it depends on whether you'll actually use manual sharpening tools.
Care and Maintenance
Don't mix other brands' knives with the NeverDull block: The ceramic angle is set for Ninja's geometry.
Hand wash blades: Despite dishwasher claims, hand washing extends blade and handle life.
Periodically deep-sharpen: The NeverDull maintains but doesn't restore a significantly degraded edge. Once or twice a year, use a proper sharpening tool to restore the full edge.
Clean the block: Invert periodically, use a thin brush for slot interiors.
FAQ
Does the NeverDull system actually work? Yes. The ceramic rods provide real honing with every insertion/withdrawal. The maintenance is light per occurrence but continuous, keeping edges noticeably sharper than neglected alternatives.
Can I add my existing knives to the NeverDull block? You can store them, but the NeverDull angle may not match your existing knives' edge geometry. This can gradually alter the edge rather than maintaining it.
How often do I still need to sharpen the knives manually? Less often than conventional knives, perhaps once a year instead of quarterly. The NeverDull reduces but doesn't eliminate the need for occasional proper sharpening.
Is the 12 or 14-piece better value? The 12-piece covers all standard home cooking needs. The 14-piece adds a slicing knife and sometimes a santoku, useful additions if you regularly slice roasts or do much vegetable work. For most buyers, the 12-piece is the better value purchase.
Are NeverDull sets worth buying on Black Friday? Yes. These sets regularly appear at 25-35% off during major sales events. The 12-piece at $100-110 represents good value for the automatic maintenance feature.
The Bottom Line
The Ninja Foodi NeverDull knife block set is genuinely innovative for its target audience. The automatic maintenance system keeps kitchen knives sharper than neglected conventional alternatives, addressing the most common kitchen knife problem (nobody sharpens their knives). The blade steel is mid-range, not premium. The value proposition is strongest for regular home cooks who won't maintain a manual sharpening routine. For buyers who do sharpen regularly, the NeverDull feature adds cost for an advantage they're already providing manually. For everyone else, which is most home cooks, it's one of the smarter designs in this product category.