Naturally Fresh Walnut is the strongest all-around pick in this comparison for natural clumping without corn.
A walnut-shell litter that clumps harder than many natural competitors and absorbs odor naturally without added fragrance.
A grocery-store staple with broad availability, lots of variants, and okay overall performance without excelling anywhere specific.
Naturally Fresh costs more per day than Tidy Cats and gives back far more of its clumps whole, with much less dust in the air. Tidy Cats gives back the money and the supermarket shelf.
This comparison page is maintained by the ReviewCatLitter editorial team and grounded in the same scoring framework used across the published review catalog.
Choose between them on texture, clumping, dust and price. Then, if the room still tells you where the box is, Purrify is activated carbon you mix into whichever bag you chose. It is what we use in our own homes.
Read our Purrify guide to plant-based litter and odor control.
Every figure below is a reading from our own test runs, not a rating. Where a run never took a reading it says so.
| Reading | Naturally Fresh Walnut | Purina Tidy Cats | Gap |
|---|---|---|---|
| Dust weighed per pourDust caught on a filter and weighed while the bag goes into the box. Lower is better. | 0.13 mgbetter | 0.50 mg | 0.37 mg |
| Clumps that survived the drop testShare of clumps still whole after a three-foot drop. Higher is better. | 89%better | 62% | 27 points |
| Bag priceWhat the tested bag cost. Bag sizes differ, so read it next to cost per pound. | $24.99 | $15.49 | $9.50 |
| Cost per poundBag price divided by what is in the bag. Lower is better. | $0.96 | $0.44better | $0.52 |
| Cost per dayWhat the box costs to keep running each day. Lower is better. | $0.54 | $0.39better | $0.15 |
| Cost across a yearThat daily cost carried over a full year of use. Lower is better. | $197 | $142better | $55 |
Neither run recorded granules outside the box, ammonia after one day and ammonia after three days, so those rows are left out rather than filled in from a similar bag. The full test data shows every reading we have.
Primary tradeoff: Naturally Fresh Walnut's weakest area here is tracking.
Best dust control here at 0.13mg per pour.
Strongest odor control in this set with strong natural absorption.
It still lands a stronger overall score than cheaper options because it is more balanced.
Scroll sideways to see every litter. Scores are editorial judgments out of 10.
| Product | ||
|---|---|---|
| Overall Score | 8.8Very good | 7.9Fair |
| Pricing | ||
| Price | $24.99 | $15.49 |
| Weight | 26 lbs | 35 lbs |
| Cost / Day | $0.54 | $0.39 |
| Performance | ||
| Dust Control | 8.1 0.13mg per pour | 5.8 0.50mg per pour |
| Clumping | 8.9 Hard for natural litter | 7.2 Average |
| Odor Control | 8.4 Strong natural absorption | 7.5 Solid for budget clay |
| Tracking Outside the Box | 7.4 Moderate | 5.9 Moderate-high |
| Value for Cost | 8.1 $0.54/day · $24.99 | 8.2 $0.39/day · $15.49 |
| Features | ||
| Type | Walnut Shell | Budget Clumping Clay |
| Flushable | ||
| Scented | No | Yes |
| Our Verdict | ||
| Best For | Natural clumping without corn | Easy grocery-store replenishment |
| Read ReviewCheck Price | Read ReviewCheck Price | |
Naturally Fresh Walnut makes the most sense for natural clumping without corn.
You want a walnut-shell litter that clumps harder than many natural competitors and absorbs odor naturally without added fragrance.
You need a formula that solves natural clumping without corn better.
Purina Tidy Cats makes the most sense for easy grocery-store replenishment.
You want a grocery-store staple with broad availability, lots of variants, and okay overall performance without excelling anywhere specific.
You need a formula that solves natural clumping without corn better.
The nearest options to this matchup on score and on price.
Runs at $0.80 a day. Its dust was never weighed.
Weighed 0.15mg per pour and runs at $0.72 a day.
Weighed 0.04mg per pour and runs at $0.55 a day.
Naturally Fresh Walnut comes out ahead on the balance of dust, clumping, odor control, tracking and daily cost. Purina Tidy Cats is still the one to buy for easy grocery-store replenishment.
Purina Tidy Cats runs at $0.39 a day against $0.54 for Naturally Fresh Walnut.
Naturally Fresh Walnut scored higher: strong natural absorption, against solid for budget clay for Purina Tidy Cats.
Naturally Fresh Walnut keeps more litter in the box: moderate, against moderate-high for Purina Tidy Cats.
Clump & Seal is worth the step up from Tidy Cats if smell is the reason you are shopping. Tidy Cats is cheaper by the bag and easier to find.
Ultra beat Tidy Cats on every performance reading we took, so this comes down to whether you will pay more per day.
Ultra holds its clumps better and pours less dust. Naturally Fresh is the plant litter that gets closest to it, for a little more per day.
Naturally Fresh is the way out of fragrance and heavy dust without paying premium clay money.
Naturally Fresh is the cheaper natural bag and clumps nearly as hard. Sustainably Yours flushes and tracks less.
Corn against walnut. World's Best flushes and barely leaves the tray. Naturally Fresh held more clumps together in our drop test and costs less per day.