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Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, Chicken vs Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food

Buy Purina Pro Plan Sensitive Skin & Stomach if your dog has itchy skin or a sensitive stomach and you want salmon as the protein; it is $20.68 at Chewy.com as of November 4, 2026, far below Purina ONE Plus at $49.97 at Walmart the same day. Buy Purina ONE Plus if you want chicken first, a larger 31.1 lb bag, and a long track record of 4,220 ratings at 4.7. The Pro Plan bag is 30 lb, so the price gap is not a size difference.

Today the Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food costs $29.30 less at its best price.

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Purina ONE
Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, Chicken

Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, Chicken

4.7· 4,220 ratings
$49.98at AmazonObserved at 2:26 PM
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Choose the Purina ONE Plus if you want a chicken-first formula with probiotics, a 31.1 lb bag, and thousands of verified buyer ratings behind it.

Pros
  • Real chicken first, with probiotics for digestive support
  • 31.1 lb bag, slightly larger than Pro Plan's 30 lb
  • 4.7 out of 5 from 4,220 ratings, a large sample
  • Omega-6 fatty acids and four antioxidants for skin, coat and immune health
  • No artificial flavors or preservatives
Cons
  • $49.97 at Walmart as of November 4, 2026, more than double the Pro Plan price
  • Chicken-based, so not an option for dogs that react to chicken
  • Only 2 stores price it new
Purina
Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food

Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food

4.8· 12 ratings
$20.68at Chewy.comObserved at 2:40 PM
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Choose the Purina Pro Plan if your dog needs salmon instead of chicken, or if you want the lower price per bag at $20.68 at Chewy.com as of November 4, 2026.

Pros
  • $20.68 at Chewy.com as of November 4, 2026, the lowest price of the pair
  • Salmon and rice formula for dogs with skin and stomach sensitivities
  • 4.8 out of 5 rating, though from only 12 ratings
  • 3 stores price it new, giving more places to compare
  • Price history shows it has sold as high as $77.48, so the current price is a real drop
Cons
  • Only 12 ratings, so the 4.8 score is thin evidence
  • 30 lb bag is slightly smaller than Purina ONE's 31.1 lb
  • Salmon costs more to produce, so the low price may not last

What separates them

Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, ChickenPurina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food
Main proteinChicken is the first ingredientSalmon is the first ingredient
Bag size31.1 lb30 lb
Price as of November 4, 2026$49.97 at Walmart$20.68 at Chewy.com
Designed forDigestive health, sensitive stomachSensitive skin and stomach
Rating volume4.7 from 4,220 ratings4.8 from 12 ratings
Protein type for dogs avoiding chickenChicken-based, not suitableSalmon-based, no chicken as first ingredient
Price historyNo history shownLowest $20.68 on 2026-11-04, highest $77.48 on 2026-11-03
Stores stocking it new2 stores3 stores

Price history

$77.48$20.68
Nov 3Nov 4
  • Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, Chicken: lowest $24.61 on Nov 4 at eBay.
  • Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food: lowest $20.68 on Nov 4 at PetSmart.

Prices at every store

Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, Chicken

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $49.98Free shippingObserved at 2:26 PM
    Visit store

Also available at

  • eBayCheck price at eBay
  • eBayCheck price at eBay
  • WalmartCheck price at Walmart
Prices and history →

Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food

  • Chewy.comNew

    In stock

    $20.68Free shippingObserved at 2:40 PM
    Visit store
  • WalmartNew

    In stockSold by Seller

    $21.99Free shippingObserved at 2:40 PM
    Visit store
  • PetSmartNew

    In stock

    $20.68+ $6.99 shippingObserved at 2:40 PM
    Visit store

Also available at

  • AmazonCheck price at Amazon
  • PetsenseCheck price at Petsense
  • Tractor Supply CompanyCheck price at Tractor Supply Company
All 3 stores and price history →

Specs compared

SpecPurina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, ChickenPurina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food
size31.1 lbs30 lb.
multipack_quantity1—
color—30 lb.

What reviewers say

Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, Chicken

Rated 4.7 out of 5 from 4,220 ratings, owners largely report firmer stools and fewer stomach upsets after switching. Some dogs refuse the morsels or see no change.

Pros
  • Easier digestion and firmer stools for sensitive dogs
  • Dogs eat it readily
  • Good value for a large bag
  • Shiny coat after a few weeks
Cons
  • Some dogs pick out the meaty morsels and leave kibble
  • A few owners report vomiting or loose stools on switching
  • Bag seal is not resealable

Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food

Owners of sensitive dogs often report firmer stools and less scratching within a few weeks. The 4.8 out of 5 from 12 ratings reflects strong satisfaction, though a few dogs refused the salmon taste.

Pros
  • Firmer stools and less gas
  • Reduced itching and better coat
  • Dogs eat it readily
  • Good value for a sensitive-skin formula
Cons
  • Some dogs turn their nose up at the salmon smell
  • A few owners saw no change in itching
  • Contains corn and chicken by-product meal

Questions and answers

Which is better for a dog with a sensitive stomach?
Both target sensitive stomachs. Purina ONE Plus uses chicken and rice with added probiotics; Pro Plan uses salmon and rice. If chicken is the trigger, pick Pro Plan. If chicken is fine, Purina ONE Plus has far more buyer feedback.
Is the Pro Plan really cheaper?
Yes, on the dates given. Pro Plan was $20.68 at Chewy.com as of November 4, 2026, against $49.97 at Walmart for Purina ONE Plus. The bags are nearly the same size, 30 lb versus 31.1 lb.
Which lasts longer per bag?
Purina ONE Plus, but only slightly: 31.1 lb versus 30 lb. At the same feeding amount that is about 3.5% more food, roughly one extra day for a 50 lb dog eating 3 cups a day.
Should I switch my dog from chicken to salmon food?
Only if your dog has shown itching, ear problems or loose stools on chicken formulas, and ideally after talking to your vet. Sudden protein switches can upset digestion, so transition over 7 to 10 days.
Is the Pro Plan worth it at its usual price?
Its price history shows $77.48 on 2026-11-03, so $20.68 is an outlier low. At $77 it costs more per pound than Purina ONE Plus at $49.97, so stock up at the low price rather than assume it holds.
Which has more reliable reviews?
Purina ONE Plus, with 4.7 from 4,220 ratings. Pro Plan's 4.8 comes from just 12 ratings, which is too few to judge consistency.

More comparisons

  • Purina One Dry Dog Food for Adult Dogs High Protein, Real Chicken & Rice, 8 lb Bag vs Purina One Plus Dry Dog Food for Adult Dogs, High Protein, Sensitive Stomach, Chicken
  • Purina One Dry Dog Food for Adult Dogs High Protein, Real Chicken & Rice, 8 lb Bag vs Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food
  • Purina ONE SmartBlend Adult Chicken & Rice Formula Dry Dog Food vs Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food
  • Dog Chow Complete Adult Kibble with Chicken Flavored Dry Dog Food, 3.5-lb bag vs Purina Pro Plan Adult Sensitive Skin & Stomach Salmon & Rice Formula Dry Dog Food

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