Purrify vs Arm & Hammer Cat Deodorizer: Honest Comparison Review
We tested both products side-by-side to help you choose the best cat litter deodorizer. Here's our unbiased comparison of ingredients, effectiveness, price, and safety.
Quick Verdict
Winner: Purrify - Superior natural odor elimination, safer ingredients, and better long-term value. Arm & Hammer offers convenience but contains synthetic fragrances that may irritate sensitive cats.
Head-to-Head Comparison
| Feature | Purrify | Arm & Hammer |
|---|---|---|
| Main Ingredient | ✓ Activated Carbon | Baking Soda |
| Fragrance | ✓ Fragrance-Free | ✗ Synthetic Scents |
| Odor Elimination | ✓ Adsorbs molecules | ~ Neutralizes acids only |
| Duration | ✓ 2-4 weeks | 1-2 weeks |
| Safety for Kittens | ✓ Completely Safe | ~ Caution with fragrances |
| Price (per month) | ✓ ~$10 CAD | ~$12 CAD |
| Availability | Pet stores, Online | ✓ Everywhere |
| Made In | ✓ Canada | USA |
Detailed Analysis
🧪 Ingredients & Science
Purrify
- • Activated Carbon: Physically traps odor molecules in microscopic pores
- • Natural Source: Made from coconut shells or sustainable wood
- • No Additives: Pure carbon with no synthetic chemicals
- • Mechanism: Adsorption removes odors permanently
Arm & Hammer
- • Baking Soda: Neutralizes acidic odors through chemical reaction
- • Synthetic Fragrances: Masks remaining odors with artificial scents
- • Additional Chemicals: May contain flow agents and preservatives
- • Mechanism: Neutralization + masking
Winner: Purrify - Activated carbon's adsorption mechanism is more effective than baking soda's neutralization, especially for complex organic odors.
⚡ Effectiveness Test Results
We tested both products in identical conditions with the same litter type and usage patterns:
Odor Reduction (24 hours)
Duration of Effectiveness
Winner: Purrify - Superior initial odor reduction and significantly longer-lasting effectiveness.
💰 Cost Analysis
| Product | Size | Price | Duration | Cost/Month |
|---|---|---|---|---|
| Purrify Regular | 60g | $19.99 | 6-8 weeks | $10.00 |
| Arm & Hammer Super Scoop | 850g | $8.99 | 3 weeks | $12.00 |
Winner: Purrify - 20% lower monthly cost due to longer-lasting effectiveness, despite higher upfront price.
🐱 Safety & Health Considerations
Purrify Safety Profile
- ✓ Fragrance-free: No respiratory irritation
- ✓ Non-toxic: Safe if ingested during grooming
- ✓ Kitten-safe: Suitable from 8 weeks old
- ✓ Hypoallergenic: Won't trigger sensitivities
- ✓ Dust-free: No respiratory concerns
Arm & Hammer Considerations
- ⚠ Synthetic fragrances: May irritate sensitive cats
- ⚠ Respiratory concerns: Scented products can trigger asthma
- ⚠ Kitten caution: Fragrances not recommended for young cats
- ✓ Baking soda base: Generally safe ingredient
- ⚠ Dust potential: Some formulations may be dusty
Winner: Purrify - Significantly safer for cats with respiratory sensitivities, kittens, and multi-cat households.
Real User Reviews
Purrify Users Say:
"Switched from Arm & Hammer after my kitten started sneezing. Purrify works better and doesn't irritate her sensitive nose." - Sarah M., Toronto
"Lasts much longer than Arm & Hammer. I was changing it weekly, now it's monthly." - Mike R., Vancouver
"No more artificial smells mixing with litter box odors. Just fresh, clean air." - Jennifer L., Montreal
Arm & Hammer Users Say:
"Easy to find at any store, but the scent can be overwhelming in small spaces." - David K., Calgary
"Works okay but needs frequent reapplication. Gets expensive over time." - Lisa P., Ottawa
"My cat avoided the litter box when I used the scented version. Unscented is better." - Tom H., Halifax
Which Should You Choose?
Choose Purrify If:
- ✓ You have cats with respiratory sensitivities
- ✓ You prefer natural, chemical-free products
- ✓ You want longer-lasting odor control
- ✓ You have kittens or pregnant cats
- ✓ You want better long-term value
- ✓ You live in a small space where strong scents are problematic
- ✓ You support Canadian-made products
Choose Arm & Hammer If:
- • You need immediate availability at any store
- • You prefer familiar brand names
- • You don't mind synthetic fragrances
- • You want lower upfront costs
- • Your cats aren't sensitive to scented products
- • You're okay with more frequent reapplication
Ready to Try the Winner?
Experience superior odor control with Purrify's natural activated carbon formula. Safe for all cats, longer-lasting, and better value than traditional deodorizers.