ONE
Brand Score B+5 products · 2 categories · Avg 4.4★ · 14,762 reviews
Price range $24 – $33
Last analyzed: June 19, 2026
Browse products ↓Quick Take on ONE
Score: B+- •100% of products carry a 4-star rating or higher — exceptionally consistent
- •15K buyer reviews across the lineup — a well-established track record
- •A specialist in nutrition bars and drinks (4.35★ average) rather than a generalist
- •A narrow lineup (2 categories) — limited options if you want range
ONE Protein Bars
4.5★ with 3K reviews — top-rated in Protein Bars
Brand Score: B+
B+ in nutrition bars and drinks — ONE's 5 products average 4.4★ across 2 categories, with nutrition bars and drinks as the strongest line (4.35★ avg).
ONE earns a Brand Score of B+ on Mubboo, based on analysis of 5 products across 2 categories. Quality consistency (100/100) is the brand's strongest dimension, with 100% of products rated 4 stars or above. Category depth (25/100) is the area with the most room for improvement. ONE's primary strength is in nutrition bars and drinks, where it averages 4.35★.
How we calculate Brand Score
Quality Consistency (40%): percentage of products rated 4+ stars
Market Presence (25%): total review volume, log-scaled
Value Positioning (20%): average price vs category average
Category Depth (15%): number of active product categories
Based on 5 ONE products · last analyzed June 19, 2026.
How ONE Compares
ONE | Most Popular Quest | Highest Rated Atkins | Best Value CLIF Bar | |
|---|---|---|---|---|
| Avg Rating | 4.4★ | 4.45★ | 4.63★ | 4.47★ |
| Total Reviews | 14,762 | 38,925 | 31,316 | 29,481 |
| Avg Price | $27 | $22 | $32 | $20 |
| Brand Score | B+ | B+ | B+ | B+ |
Show more details
| Products | 5 | 8 | 3 | 10 |
| Quality Rate | 100% | 100% | 100% | 100% |
| Categories | 2 | 1 | 1 | 1 |
ONE
Avg Rating: 4.4★
Reviews: 14,762
Avg Price: $27
100% rated 4+★
Our Top 3 from ONE
ONE Protein Bars
4.5★ with 3K reviews — top-rated in Protein Bars
ONE Protein Bars
4.4★ with 2.2K reviews — a solid choice in nutrition bars and drinks
ONE Protein Bars
4.3★ with 6.3K reviews — a solid choice in nutrition bars and drinks
Where ONE Is Strongest
nutrition bars and drinks
Protein Bars
View all →
What You'll Spend on ONE
Most ONE products fall between $24 and $33.
ONE prices in line with the category average — a balanced mix of cost and quality.
What People Say About ONE
Aggregated from review themes across 5 ONE products.
- Delicious, candy-like taste
- Suitable for low-carb, diabetic, and special diets
- Convenient on-the-go snack
- Great taste and enjoyable flavor
- Excessive sweetness and artificial aftertaste
- Messy, crumbly texture
- Uncertainty about keto compatibility
Expert Coverage
3 ONE products have coverage from independent expert publications: Cnet. Source links in References.
Where to Buy ONE
ONE products are available on Amazon — 5 products across 2 categories.
Browse ONE on Amazon →Brand Bottom Line
- Brand Score
- B+
- Best Product
- Protein Bars ($25) Buy on Amazon →
- Price Level
- Mid-range — near category average
- Quality
- 100% of products rated 4+★
- Best For
- Value-focused buyers who still want reliability
- Alternatives
- Quest (Score B+) · Atkins (Score B+)
ONE delivers dependable value — start with its best-reviewed products. Start with the Protein Bars.
Frequently Asked Questions
Is ONE a good brand?
ONE earns a Brand Score of B+ on Mubboo. 100% of its 5 products are rated 4 stars or above, which puts it among the most consistent brands in nutrition bars and drinks. The main consideration is pricing — ONE products average $27, in line with the category average.
What is the best ONE product to buy?
Based on 3K reviews and a Mubboo Score of A+, the Protein Bars ($25) is ONE's top pick. For a budget option, the Protein Bars ($26) delivers 4.4★ at -2% of the cost.
Is ONE worth the premium price?
ONE prices close to the category average ($27 vs $27), so you're not paying a brand premium.
ONE vs Quest: which is better?
ONE scores B+ vs Quest's B+. ONE trails slightly on rating (4.4★ vs 4.45★), while Quest has more total reviews (39K vs 15K).
Sources & References
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