Categories

Market Price & Value Categories

Compare Rakuten market benchmarks and find high cost-performance items.

Baby Wipes

A complete breakdown of the true cost per sheet for baby wipes, covering thin, thick, and flushable options. We independently analyze the actual sheet counts in bulk cases (e.g., 80 sheets × 12–36 packs, or 1,000–3,000 sheets total) to find the best value and smartest deals.

Benchmark: 2.6 ¥/sheetView details →

Beer

Compare unit prices per 100ml across major Japanese beer brands (Asahi, Kirin, Sapporo, Suntory), craft beers, and low-malt beverages in 350ml/500ml cans and bottles. Find the true best value and market medians for 1-case (24 cans) and 2-case (48 cans) bulk orders on Rakuten.

Benchmark: 59 JPY/100mlView details →

Bra Tops

A comprehensive comparison of the actual price per piece for cup-inclusive innerwear, including camisoles, tank tops, half tops, and shaping bra camis. We independently analyze bundle deals and coupon discounts to objectively determine which products offer true value for money.

Benchmark: 2200 JPY/pieceView details →

Broken Chocolate

Compare the real cost per 100g of broken chocolate and gourmet confectioner chocolate on Rakuten. Objectively evaluate the best deals on milk, bitter (high-cacao), and white chocolate in large packs (500g–2.5kg).

Benchmark: 400 ¥/100gView details →

Catalog Gifts

A curated comparison of popular gift catalogs for weddings, baby returns, memorial thank-yous, and seasonal occasions. Easily explore price trends and top picks across general, gourmet, designer, and experiential gifts.

Benchmark: 5500 JPY/catalogView details →

Color Contacts

Compare daily effective cost for 1-day, monthly, and natural-look color contact lenses. Instantly identify high-value deals vs. market rate.

Benchmark: 220 JPY/dayView details →

Dishwasher Detergent

Compare dishwasher powder, gel, and tablet detergents by actual price per wash, normalized across multipacks, refill pouches, and bulk sizes.

Benchmark: 9 JPY/washView details →

Electric Toothbrushes

A comprehensive comparison of the actual price per unit for leading electric toothbrushes (Philips Sonicare, Braun Oral-B, Panasonic Doltz). Objectively evaluate sonic, oscillating/rotary, ultrasonic, kids, and portable battery models on Rakuten by filtering out replacement brush noise.

Benchmark: 8500 JPY/unitView details →

Replacement Brush Heads

Compare genuine and compatible replacement brush heads for Braun Oral-B (iO / PRO), Philips Sonicare, and Panasonic Doltz by effective price per brush head on Rakuten. Filter out starter sets to evaluate true running costs.

Benchmark: 650 JPY/headView details →

Fabric Softener

A comprehensive comparison of the actual price per 100ml for fabric softeners, from fragrance-focused and deodorizing formulas to additive-free baby options. We independently analyze the volumes of extra-large refill pouches (1,200ml–2,000ml) and commercial-size containers (4L–5L) to objectively identify the most cost-effective deals.

Benchmark: 75 JPY/100mlView details →

Hand Soap

Compare hand soap prices on Rakuten standardized to cost per 100 ml. Key tips on finding the best value through bulk multipacks, jumbo refills, and commercial sizes.

Benchmark: 180 ¥/100 mlView details →

Hard Contacts

Compare effective per-lens prices for 2-lens sets and single lenses. Easily spot best-value deals vs. physical store benchmarks (approx. 10,000 JPY/lens).

Benchmark: 9000 JPY/lensView details →

Laundry Detergent

A comprehensive cost-per-load comparison of liquid, pod, stick, and powder laundry detergents. We independently analyze bulk sets, large refill pouches (1.5kg–2.5kg), and commercial sizes (4L–10kg) to objectively highlight the best value products.

Benchmark: 20 JPY/loadView details →

Menstrual Cups

Compare effective monthly costs across top menstrual cups and discs (MeLuna, Nopra, feminak, Flex Menstrual Disc). Objectively evaluate multi-year reusable medical-grade silicone/TPE cups (~30–130 JPY/month) and convenient single-use disposable discs (~4,900 JPY+/month) on Rakuten.

Benchmark: 110 JPY/moView details →

Packaged Rice

Compare the real unit price per 100g across white rice, brown rice, barley, and low-protein care meals on Rakuten. Objectively find the best deals by normalizing varying pack weights.

Benchmark: 90 JPY/100gView details →

Protein

Compare the true unit price per 100g across Whey, Soy, and Casein protein powders on Rakuten. Objectively determine high-value products by normalizing varying package sizes (1kg, 3kg, bulk sets).

Benchmark: 350 JPY/100gView details →

Soft Contacts

Comprehensive comparison of effective daily cost for Daily (1-day), 2-week, and color lenses. Easily spot best-value deals vs. market benchmark.

Benchmark: 150 JPY/dayView details →

Third-Tier Beer

Compare unit prices per 100ml across major Japanese third-tier beer brands (Kinmugi, Honkirin, Clear Asahi, Mugi to Hop, Gold Star, Nodogoshi Nama) in 350ml and 500ml cans. Find the true best value and market medians for 1-case (24 cans) and 2-case (48 cans) bulk orders on Rakuten.

Benchmark: 46 JPY/100mlView details →