Brand Comparison · 2026

Iams vs Ollie

Iams (mass-market-priced wsava-compliant kibble for budget-conscious owners.) and Ollie (fresh-cooked subscription competitor to the farmer's dog with similar trade-offs.) compared head-to-head on WSAVA manufacturer-quality criteria, AAFCO substantiation, monthly cost, and which dog each is best for in 2026. Iams meets 5 of 5 WSAVA criteria. Iams is roughly 81% less than Ollie.

Quick comparison

Dimension	Iams	Ollie
Parent company	Mars Incorporated	Ollie Pets Inc.
Category	Mass-market dry kibble	Fresh-cooked subscription
WSAVA criteria met	5 of 5	3 of 5
AAFCO substantiation	Feeding trials	Formulation only
Full-time veterinary nutritionist	Yes	Yes
Credentialed formulator	Yes	Yes
AAFCO feeding trials	Yes	No
Owns manufacturing plants	Yes	Partial
Quality control program	Yes	Yes
Typical monthly cost (50 lb dog)	$25 – $45 / month	$140 – $220 / month

Mars Incorporated

Iams

Mass-market-priced WSAVA-compliant kibble for budget-conscious owners.

Strengths

Most affordable WSAVA-compliant brand in the US
Same manufacturing-control standards as Eukanuba and Royal Canin
Wide retail availability (grocery and pet stores)

Watch-outs

Limited prescription-diet line; pair with another brand if therapeutic diet is needed
Ingredient list is more mass-market-tier than Pro Plan

Best for: Healthy adult dogs on a tight budget where WSAVA compliance still matters.

Avoid if: You have a dog with allergies or want a premium-tier ingredient profile.

Visit Iams ↗

Ollie Pets Inc.

Ollie

Fresh-cooked subscription competitor to The Farmer's Dog with similar trade-offs.

Strengths

Veterinary nutritionist input on formulations
Multiple recipes for novel-protein rotation
Slightly more affordable than The Farmer's Dog

Watch-outs

Formulation-only substantiation (no AAFCO feeding trials)
Cold-chain dependency
No long-term outcome data

Best for: Owners who want fresh-cooked food and prefer recipe variety over a single recipe.

Avoid if: You cannot accommodate freezer storage or the per-month cost.

Visit Ollie ↗

Which is better for your dog?

The right pick depends on your individual dog. Iams is the better choice when: Healthy adult dogs on a tight budget where WSAVA compliance still matters. Ollie is the better choice when: Owners who want fresh-cooked food and prefer recipe variety over a single recipe.

On cost, Iams is roughly 81% less than Ollie at the midpoint of typical premium spec for a 50 lb adult dog. On WSAVA manufacturer-quality criteria, Iams meets 5 of 5 vs 3 of 5 for Ollie.

Personalized recommendation

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Compare these brands against others

Methodology: WSAVA criteria reflect each brand's publicly documented manufacturer-quality practices as of May 2026, scored against the WSAVA Global Nutrition Committee's 5-question rubric. AAFCO substantiation reflects the dominant method used across the brand's main retail product line. Monthly cost reflects typical US 2026 retail for a 50 lb adult dog at premium spec, before autoship discounts. Recommendations are editorial and not influenced by affiliate relationships. See our recommendation methodology for IntelliBowl's quiz-engine ranking logic.