Ninja Blast Portable Blender vs Rancilio Rocky Doserless Coffee Grinder (2026)

✍️ By the 247Verdict Editorial Team📅 Updated 05 October 2026

Which is better? We compared both on score, owner ratings, pros and cons.

Ninja Blast Portable Blender

8.7/10 Great

4.6★ (18,400 owners)

USB-C rechargeable, 530ml, BlendThrough lid, 18,000 RPM, portable. The on-the-go blender.

Full Review

Rancilio Rocky Doserless Coffee Grinder

9.1/10 Excellent

4.6★ (4,800 owners)

50mm flat burrs, stepless grind, 166W motor, 300g hopper, 60Hz. The professional home grinder benchmark.

Full Review

At a Glance

	Ninja Blast Portable Blender	Rancilio Rocky Doserless Coffee Grinder
247Verdict Score	8.7/10	9.1/10
Owner Rating	4.6★ (18,400)	4.6★ (4,800)
Verdict	Great	Excellent
Use	Portable single-serve	Espresso focus

Quick Verdict

Both are strong choices, but the Rancilio Rocky Doserless Coffee Grinder edges ahead with a 9.1/10 vs 8.7/10. 50mm flat burrs, stepless grind, 166W motor, 300g hopper, 60Hz. The professional home grinder benchmark. That said, the Ninja Blast Portable Blender is worth considering if USB-C rechargeable, 530ml, BlendThrough lid, 18,000 RPM, portable. The on-the-go blender. Check the current price on Amazon →

Pros & Cons Side by Side

Ninja Blast Portable Blender

USB-C rechargeable for blending anywhere — gym, office, travel
BlendThrough lid lets you sip directly from the blending vessel
18,000 RPM crushes ice and frozen fruit for genuine smoothies
530ml personal size for single-serve smoothies
18,400 reviews at 4.6★

Personal size only — not for batch smoothies or families
Less power than mains blenders for tough ingredients
Battery limits to several blends per charge

Rancilio Rocky Doserless Coffee Grinder

50mm commercial flat burrs are the industry standard for consistent espresso grind
Stepless micrometric grind adjustment provides infinite grind settings vs stepped alternatives
166W commercial motor runs continuously without overheating — built for cafe use
300g bean hopper provides a week's worth of beans for a 2-cup-per-day household
Rancilio's 30+ year grinder engineering heritage in their most enduring home product

Doserless version sprays fine grounds — a grounds catch box is recommended
£250+ for a grinder requires serious espresso commitment
Larger footprint than compact alternatives like the Wilfa Svart

FAQ

Which is better, Ninja Blast Portable or Rancilio Rocky Doserless?

Is the Ninja Blast Portable worth the extra cost?

The Rancilio Rocky Doserless Coffee Grinder matches or exceeds it at a potentially lower price point.

Who is the Ninja Blast Portable best suited to?

USB-C rechargeable, 530ml, BlendThrough lid, 18,000 RPM, portable. The on-the-go blender.

Who is the Rancilio Rocky Doserless best suited to?

50mm flat burrs, stepless grind, 166W motor, 300g hopper, 60Hz. The professional home grinder benchmark.

What are the main downsides of each?

Ninja Blast Portable Blender: Personal size only — not for batch smoothies or families; Less power than mains blenders for tough ingredients. Rancilio Rocky Doserless Coffee Grinder: Doserless version sprays fine grounds — a grounds catch box is recommended; £250+ for a grinder requires serious espresso commitment.

Do owner ratings agree with our verdict?

Largely, yes — Ninja Blast Portable Blender sits at 4.6★ from 18,400 verified Amazon owners, and Rancilio Rocky Doserless Coffee Grinder at 4.6★ from 4,800.

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