4 stores
compared in real time
108+ products
tracked for this search
1098% price gap
$4.99 – $59.77 range
Updated Jan 22, 2026
prices verified today
How we ranked Size 4 Diapers: Shopperoo compared 108+ options across 4 stores (Amazon, Kroger, Target, Walmart) and scored each on price , star rating, review volume, and availability. The cheapest option is $4.99 at Kroger — 1098% less than the highest-priced equivalent. Roo's best value pick is "Pampers Swaddlers Diapers, Size 4 (15-34 lbs), 120 Count, Absorbent, Keeps Baby Dry and Comfortable, Skin Safe Disposable Baby Diaper (Packaging May Vary)" at Amazon for $47.99 (4.8 ★ from 129.8K reviews). Rankings are updated in real time and are not influenced by retailer fees or sponsored placements.
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Quick Comparison: Top Picks
Best Value
Pampers Swaddlers Diapers, Size 4 (15-34 lbs), 120 Count, Absorbent, Keeps Baby Dry and Comfortable, Skin Safe Disposable Baby Diaper (Packaging May Vary)
$47.99 at Amazon
Budget
Comforts™ Day or Night Baby Diapers Size 4 (22-37 lbs)
$4.99 at Kroger
How Shopperoo Compares Products
Shopperoo's AI scans live pricing from Amazon, Walmart, Target, Kroger, and other major retailers, then ranks products by balancing price, ratings, review count, and availability. Our best value pick isn't just the cheapest — it's the product with the best combination of low price and high customer satisfaction. Learn more about our methodology
Get Today's Best Price
We check 10+ retailers so you don't have to.
FAQ: Size 4 Diapers
Where is Size 4 Diapers cheapest right now?
The budget Size 4 Diapers is $4.99 at Kroger ($0.18/count) — "Comforts™ Day or Night Baby Diapers Size 4 (22-37 lbs)". The most expensive is $59.77 at Amazon ($0.4/count) — a 1098% price gap for comparable products. Price gaps this wide typically reflect differences in pack size, bundle inclusions, or retailer promotional cycles. Shopperoo checks 4 stores in real time so this reflects today's live pricing as of Jan 22, 2026.
What's the best value Size 4 Diapers?
Roo's best value pick is "Pampers Swaddlers Diapers, Size 4 (15-34 lbs), 120 Count, Absorbent, Keeps Baby Dry and Comfortable, Skin Safe Disposable Baby Diaper (Packaging May Vary)" at Amazon for $47.99 - it scores best on price ($0.4/count), rating (4.8★ from 129.8K reviews) and availability.
Which stores have Size 4 Diapers?
Shopperoo found Size 4 Diapers in stock at all 4 stores we track: Amazon, Kroger, Target, Walmart. Amazon carries the widest selection, followed by Kroger. Store availability and pricing are checked in real time — if a store sells out or changes its price, Shopperoo updates within hours. Prices last verified Jan 22, 2026.
How does Shopperoo rank Size 4 Diapers?
Shopperoo pulls live product data from 4 retailers and scores each Size 4 Diapers on four factors: price per unit, star rating, number of verified reviews, and real-time stock availability. Products are grouped into three lists — Best Value, Top Rated, and Lowest Price — so shoppers can choose based on their priorities. No retailer pays to appear in these rankings; placement is determined solely by the score.
How much can I save on Size 4 Diapers?
Choosing Shopperoo's best-value pick saves $16 compared to Amazon's default top result. Amazon's algorithm surfaces sponsored and Prime-eligible products first, which aren't always the best price. The full price spread across all 4 stores is 1098% — $54.78/count between the cheapest and most expensive comparable option. Shopperoo's rankings are not influenced by affiliate fees or sponsored placements.