Silica Crystal
PrettyLitter
A crystal litter built around health monitoring and light weight, with a strong subscription convenience angle and weaker clumping value.
Overall score
8.8/10
Cost per day
$0.80
Reviewed Mar 4, 2026
Head-to-head comparison
PrettyLitter vs Purina Tidy Cats: Which Should You Buy?
Tidy Cats is the cheapest easy way to keep a box going. PrettyLitter costs about twice as much per day. It earns that only if the health signal is what you are shopping for.
ReviewCatLitter editorial teamUpdated Mar 4, 2026
This comparison page is maintained by the ReviewCatLitter editorial team and grounded in the same scoring framework used across the published review catalog.
Clumping Clay (Budget)
Purina Tidy Cats
A grocery-store staple with broad availability, lots of variants, and okay overall performance without excelling anywhere specific.
Overall score
7.9/10
Cost per day
$0.39
Reviewed Feb 28, 2026
Overall winner
PrettyLitter
PrettyLitter is the strongest all-around pick in this comparison for health monitoring and lightweight convenience.
Lowest daily cost
Purina Tidy Cats at $0.39/day
Budget is often the deciding factor in this tier.
Best odor control
PrettyLitter at Very good urine odor control
Odor control often decides whether a litter feels tolerable long term.
Tracks less outside the box
PrettyLitter at Minimal
Tracking can be more important than overall score in small spaces.
What we actually measured
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 | PrettyLitter | Purina Tidy Cats | Gap |
|---|---|---|---|
| Dust weighed per pourParticulates caught in the air while the bag goes into the box. Lower is better. | not measured | 0.50 mg | only one side measured |
| Clumps that survived the drop testShare of clumps still whole after a three-foot drop. Higher is better. | not measured | 62% | only one side measured |
| Bag priceWhat the tested bag cost. Bag sizes differ, so read it next to cost per pound. | $24.00 | $15.49 | $8.51 |
| Cost per poundBag price divided by what is in the bag. Lower is better. | $3.00 | $0.44better | $2.56 |
| Cost per dayWhat the box costs to keep running each day. Lower is better. | $0.80 | $0.39better | $0.41 |
| Cost across a yearThat daily cost carried over a full year of use. Lower is better. | $292 | $142better | $150 |
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.
Why PrettyLitter wins this matchup
Primary tradeoff: PrettyLitter's weakest area here is clumping.
Best dust control here at Very low crystal dust.
Strongest odor control in this set with very good urine odor control.
It still lands a stronger overall score than cheaper options because it is more balanced.
| Product | ||
|---|---|---|
| Overall Score | 8.8 | 7.9 |
| Pricing | ||
| Price | $24.00 | $15.49 |
| Weight | 8 lbs | 35 lbs |
| Cost / Day | $0.80 | $0.39 |
| Performance | ||
| Dust Control | 8.6 Very low crystal dust | 5.8 0.50mg per pour |
| Clumping | 4.2 Non-clumping | 7.2 Average |
| Odor Control | 8.9 Very good urine odor control | 7.5 Solid for budget clay |
| Tracking Outside the Box | 9.1 Minimal | 5.9 Moderate-high |
| Value for Cost | 6.8 $0.80/day · $24.00 | 8.2 $0.39/day · $15.49 |
| Features | ||
| Type | Silica Crystal | Budget Clumping Clay |
| Flushable | ||
| Scented | No | Yes |
| Our Verdict | ||
| Best For | Health monitoring and lightweight convenience | Easy grocery-store replenishment |
| Read ReviewCheck Price | Read ReviewCheck Price | |
Best fit
PrettyLitter
PrettyLitter makes the most sense for health monitoring and lightweight convenience.
Worth it if
You care more about health signals and easy lifting than classic clumping performance.
Skip it if
You want traditional scoopable clumps or the best value per pound.
Best fit
Purina Tidy Cats
Purina Tidy Cats makes the most sense for easy grocery-store replenishment.
Worth it if
You want a grocery-store staple with broad availability, lots of variants, and okay overall performance without excelling anywhere specific.
Skip it if
You need a formula that solves health monitoring and lightweight convenience better.
If neither option is quite right
The closest litters we have tested to this matchup, on score and on price.
Walnut Shell
Naturally Fresh Walnut
Weighed 0.13mg per pour and runs at $0.54 a day.
Best for natural clumping without corn
Soft Wood / Pine
Catalyst Soft Wood
Weighed 0.15mg per pour and runs at $0.72 a day.
Best for cats that reject pellets
Clumping Clay
Dr. Elsey's Ultra
Weighed 0.03mg per pour and runs at $0.51 a day.
Best for dust-sensitive homes
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.
Related matchup
Dr. Elsey's Ultra vs PrettyLitter
Ultra is scoopable clay. PrettyLitter is crystals that change color to flag a health problem.
Winner: Dr. Elsey's Ultra
Related matchup
Arm & Hammer Clump & Seal vs 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.
Winner: Arm & Hammer Clump & Seal
Related matchup
Dr. Elsey's Ultra vs Purina Tidy Cats
Ultra beat Tidy Cats on every performance reading we took, so this comes down to whether you will pay more per day.
Winner: Dr. Elsey's Ultra
Related matchup
Arm & Hammer Clump & Seal vs PrettyLitter
Clump & Seal covers smell with fragrance and clumps for far less money. PrettyLitter is unscented crystals that keep an eye on your cat's urine instead.
Winner: Arm & Hammer Clump & Seal
Related matchup
Purina Tidy Cats vs World's Best Cat Litter
Tidy Cats is the cheap habit. World's Best is the upgrade that flushes, stays in the tray, and stops the cloud when you pour.
Winner: World's Best Cat Litter
Related matchup
PrettyLitter vs World's Best Cat Litter
World's Best flushes and clumps. PrettyLitter does neither. Its pull is the color change that can flag a health problem early.
Winner: World's Best Cat Litter
Quick Answers
Which is better: PrettyLitter or Purina Tidy Cats?
PrettyLitter 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.
Which is cheaper per day: PrettyLitter or Purina Tidy Cats?
Purina Tidy Cats runs at $0.39 a day against $0.80 for PrettyLitter.
Which controls smell better: PrettyLitter or Purina Tidy Cats?
PrettyLitter scored higher: very good urine odor control, against solid for budget clay for Purina Tidy Cats.
Which tracks less outside the litter box: PrettyLitter or Purina Tidy Cats?
PrettyLitter keeps more litter in the box: minimal, against moderate-high for Purina Tidy Cats.