Banana Bros OTTO Electric Smart Spice Grinder
- Herb & Spice Mill
- 1
- No
- Black
- More reviewed than 75%
A well-regarded electric grinder whose sensor-adjusted milling and filling attachment reviewers rate highly, provided it's cleaned regularly to avoid jamming.
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How it ranks among the 20 herb & spice mills we track
4.2★ across 1,800 Amazon ratings, Bayesian-smoothed toward the category average.
1,800 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 20 herb & spice mills we track - how the scorecard works · full herb & spice mills data report. Confidence: medium - useful but incomplete evidence.Last refreshed Jun 15, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A USB-rechargeable electric grinder with sensor-adjusted milling for dry herbs and spices, sold here without the carrying case, and bundled with a storage tube, filling attachment, measuring cup, and cleaning tool.
The listing title specifies no carrying case is included with this version, worth checking against other Otto bundles before buying. The sensor system is what separates it from a basic electric grinder: it adjusts speed and pressure during milling rather than running at one fixed setting, and the O-Tube attachment is built for filling cones or tubes without spilling.
- Sensor-adjusted grinding speed and pressure
- USB rechargeable
- O-Tube attachment for mess-free filling
- Includes measuring cup and 4-in-1 cleaning tool
Who it's for
Buyers who want one-touch, consistent milling of dry herbs and spices and are fine sourcing a carrying case separately. Not the right pick if you specifically want the case included in the box.
What buyers say
From Amazon customer reviews.
Reviewers praised how consistently the device fills and grinds once it's clean, and several singled out the manufacturer's customer service for going out of its way to fix or replace units, including one who got a replacement after five years of use. The recurring warning was that it needs regular cleaning to avoid jamming or getting sticky, and one reviewer's unit failed within three months and described a frustrating support process through Amazon before it was resolved.
Strengths and trade-offs
Drawn from this product's published specifications.
- One-touch operation with consistent texture
- O-Tube attachment fills cones with less mess
- USB rechargeable, no batteries needed
- Included cleaning tool and measuring cup
- Needs regular cleaning or it can jam
- Case is not included with this listing
- One reviewer's unit failed within a few months
Performance notes
An internal sensor system varies grinding speed, direction, and pressure through the cycle rather than running at a single fixed speed, which is what produces the more uniform texture reviewers describe. It recharges over USB rather than requiring disposable batteries, and the upright design paired with the O-Tube is meant to dispense straight into a cone or tube.
Specifications
| Brand | Banana Bros |
|---|---|
| Model | OTTO1-BKUS-00845 |
| Dimensions & fit | |
| Item Weight | 1.04 pounds |
| Construction & materials | |
| Material Type | Aerospace Engineered Aluminum |
| Color | Black |
| Included components | |
| Unit Count | 1 |
| Other details | |
| Is the item dishwasher safe | No |
| Operation Mode | Automatic |
| Recommended Uses For Product | Home, Picnic, Camping |
How it compares
This product against the closest alternatives we track in herb & spice mills.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Banana Bros OTTO Electric Smart Spice GrinderThis product | 4.2 / 5 | 1,800 | 4.0 / 5 |
| WMF Spice Mill EmptyWMF | 4.4 / 5 | 1,200 | 4.3 / 5 |
| Kotobuki Goma Slicky Sesame Seed GrinderM.V. Trading | 4.7 / 5 | 304 | 4.3 / 5 |
| SHARDOR Adjustable Coffee Grinder ElectricShardor | 4.3 / 5 | 2,900 | 4.1 / 5 |
| Peugeot 19501 Tidore Nutmeg MillPeugeot | 4.1 / 5 | 1,400 | 4.1 / 5 |
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Questions about the Banana Bros OTTO1-BKUS-00845
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does this Otto grinder come with a carrying case?
No, this listing specifically excludes the carrying case; it includes the mill, storage tube, O-Tube, measuring cup, USB cable, and cleaning tool.
How is it charged?
It recharges via USB cable rather than disposable batteries.
Why would it jam?
Reviewers report jamming is typically resolved by cleaning the device, since buildup inside is the usual cause.