Natural Corn
World's Best Cat Litter
Flushable, lightweight, and eco-friendly corn litter with surprisingly strong clumping for a natural option.
Overall score
9.1/10
Cost per day
$0.58
Reviewed Mar 6, 2026
Head-to-head comparison
World's Best Cat Litter vs Sustainably Yours: Which Should You Buy?
Compare dust, clumping, odor control, tracking, and daily cost side by side. Sustainably Yours is the better fit here for best-performing natural litter shoppers.
ReviewCatLitter editorial teamUpdated Mar 6, 2026
This comparison page is maintained by the ReviewCatLitter editorial team and grounded in the same scoring framework used across the published review catalog.
How to read this matchup
This page compares World's Best Cat Litter and Sustainably Yours on the factors that usually decide whether a litter stays tolerable in daily use: clump integrity, odor control, dust during pours and scooping, tracking outside the box, and real cost per day.
If you already know these are your two finalists, use the score table and fit notes below to choose faster. If not, the related roundups at the bottom are a better next step for narrowing the field by problem instead of by brand.
Natural (Corn + Cassava)
Sustainably Yours
A premium natural litter with harder clumping than most plant-based options and bright white granules for easy health monitoring.
Overall score
9.3/10
Cost per day
$0.63
Reviewed Mar 6, 2026
Overall winner
Sustainably Yours
Sustainably Yours is the strongest all-around pick in this comparison for best-performing natural litter shoppers.
Lowest daily cost
World's Best Cat Litter at $0.58/day
Budget is often the deciding factor in this tier.
Best odor control
Sustainably Yours at Better than standard corn
Odor control often decides whether a litter feels tolerable long term.
Tracks less outside the box
World's Best Cat Litter at Minimal
Tracking can be more important than overall score in small spaces.
Why Sustainably Yours wins this matchup
Primary tradeoff: Sustainably Yours's weakest area here is value.
Best dust control here at 0.11mg per pour.
Strongest odor control in this set with better than standard corn.
Clumping is a real edge: excellent for natural litter.
| Product | ||
|---|---|---|
| Overall Score | 9.1 | 9.3 |
| Pricing | ||
| Price | $29.99 | $29.99 |
| Weight | 28 lbs | 26 lbs |
| Cost / Day | $0.58 | $0.63 |
| Performance | ||
| Dust Control | 7.8 0.15mg per pour | 8.8 0.11mg per pour |
| Clumping | 9 Excellent for corn | 9.3 Excellent for natural litter |
| Odor Control | 8.2 Good with daily scooping | 8.6 Better than standard corn |
| Tracking Outside the Box | 9 Minimal | 8.4 Low |
| Value for Cost | 7.2 $0.58/day · $29.99 | 7.8 $0.63/day · $29.99 |
| Features | ||
| Type | Corn Litter | Natural Corn + Cassava |
| Flushable | ||
| Scented | No | No |
| Our Verdict | ||
| Best For | Eco-conscious owners who want flushable litter | Best-performing natural litter shoppers |
| Read ReviewCheck Price | Read ReviewCheck Price | |
Best fit
World's Best Cat Litter
World's Best Cat Litter makes the most sense for eco-conscious owners who want flushable litter.
Worth it if
You want eco-friendly and flushable litter with very good daily usability.
Skip it if
You're on a tight budget or want the absolute lowest dust numbers.
Best fit
Sustainably Yours
Sustainably Yours makes the most sense for best-performing natural litter shoppers.
Worth it if
You want a premium natural litter with harder clumping than most plant-based options and bright white granules for easy health monitoring.
Skip it if
You need a formula that solves best-performing natural litter shoppers better.
If neither option is quite right
These alternatives solve a more specific budget, dust, or material tradeoff.
Read the full reviews
Use this page to choose a winner quickly, then open the full product reviews if you want the long-form test notes.
Keep comparing nearby options
Related matchups that share one of the same products and answer the next likely decision.
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Related matchup
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Quick Answers
Which is better: World's Best Cat Litter or Sustainably Yours?
Sustainably Yours comes out ahead in this matchup based on the balance of dust, clumping, odor control, tracking, and day-to-day cost.
Which is cheaper per day: World's Best Cat Litter or Sustainably Yours?
World's Best Cat Litter has the lower daily cost in this head-to-head comparison.
Which has better odor control: World's Best Cat Litter or Sustainably Yours?
Sustainably Yours posts the stronger odor-control result in this comparison page.
Which tracks less outside the litter box: World's Best Cat Litter or Sustainably Yours?
World's Best Cat Litter has the stronger tracking result in this head-to-head comparison.