Best Selling Galaxy S21 Case: See Top Product Rankings by Sales Volume & Market Trends

July 2026
45 Products Tracked

Looking for the most popular galaxy s21 case products in the market? Our report leverages real Amazon monthly sales data to identify the best-performing products and the fastest-growing opportunities within the search results for the keyword "galaxy s21 case." Whether you're searching for winning products to launch or monitoring market trends and competitor performance, this report provides the insights you need.

Based on monthly sales analytics, our Shoppers' Top Picks highlights that ASIN B08NCX6FP6 currently leads the galaxy s21 case market with 500 monthly sales, followed closely by B08P61PH7X with 500 monthly sales and B08RBXMLZ6 with 500 monthly sales. Meanwhile, ASIN B0CJB986W4 stands out as the fastest-growing product, achieving an impressive 100.0% month-over-month sales growth. By tracking competitor sales performance and shifts in market demand, sellers can uncover emerging opportunities and make more informed product and marketing decisions.

🏆Shoppers' Top PicksAmazon
by monthly sales July 2026
OtterBox Commuter Series Case for Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) - Black
1
B08NCX6FP6
$22.99·
4.5
Units/sold500
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
2
B08P61PH7X
$27.99·
4.6
Units/sold500
Crave for Galaxy S21 Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 5G (6.2 inch) - Forest Green
3
B08RBXMLZ6
$17.99·
4.4
Units/sold500
🚀Fastest Growing
by MoM sales growth
for Samsung Galaxy S21 Plus Case,with HD Screen Protector [Military Grade Drop Tested] Heavy-Duty Tough Rugged Shockproof Protective Case for Samsung S21 Plus, Black
#1
B0CJB986W4
$9.98·
4.4
for Samsung Galaxy S21 Plus Case,with HD Screen Protector [Military Grade Drop Tested] Heavy-Duty Tough Rugged Shockproof Protective Case for Samsung S21 Plus, Black
Units/sold
400100.0%
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
#2
B08P61PH7X
$27.99·
4.6
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
Units/sold
500100.0%

Top Selling Galaxy S21 Case

As of July 2026, we analyzed 45 tracked products in Amazon's "galaxy s21 case" search results and generated the following sales chart and product rankings based on monthly sales data. The ranking below highlights the Top 10 products by estimated monthly sales. According to the latest data, these products generated between 300 and 500 monthly sales. B08NCX6FP6 leads the galaxy s21 case market with an estimated 500 monthly sales, up 25.0% from the previous month.

45Products Tracked
440Top 10 Avg. Sales
$21.18Top 10 Avg. Price
4.5Top 10 Avg. Rating
🏆
OtterBox Commuter Series Case for Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) - Black
#1
B08NCX6FP6

OtterBox Commuter Series Case for Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) - Black

500
▲ 25.0%
Units Sold/mo
$22.99
Price
4.5
Rating
8.4K
Reviews
2
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
B08P61PH7X
$27.99
4.6 (3.2K)
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
500 Units Sold/mo▲ 100.0%
3
Crave for Galaxy S21 Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 5G (6.2 inch) - Forest Green
B08RBXMLZ6
$17.99
4.4 (23.7K)
Crave for Galaxy S21 Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 5G (6.2 inch) - Forest Green
500 Units Sold/mo▲ 100.0%
4
OtterBox Galaxy S21 FE 5G (Only) Commuter Series Case - Black, Slim & Tough, Pocket-Friendly, with Port Protection
B09888FZ1V
$24.95
4.5 (1.9K)
OtterBox Galaxy S21 FE 5G (Only) Commuter Series Case - Black, Slim & Tough, Pocket-Friendly, with Port Protection
500 Units Sold/mo▲ 4.0%
5
OtterBox Commuter Series Case for Samsung Galaxy S21 5G (Only) - Non-Retail Packaging - Black
B0BPZ835XP
$29.99
4.4 (1K)
OtterBox Commuter Series Case for Samsung Galaxy S21 5G (Only) - Non-Retail Packaging - Black
500 Units Sold/mo
10
Spigen for Galaxy S21 Case, Liquid Air [No Magnet Ring] [Military-Grade Protection] - Matte Black
B08LK27MLH
$12.99
4.6 (130.9K)
Spigen for Galaxy S21 Case, Liquid Air [No Magnet Ring] [Military-Grade Protection] - Matte Black
300 Units Sold/mo
View All 45 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the galaxy s21 case price landscape, we segmented all 45 tracked listings in Amazon's live "galaxy s21 case" search results across the full price spectrum, and surfaced the top 3 price tiers by share below to highlight where competition concentrates and where pricing gaps exist.

Leading the distribution, the $10.00 ~ $20.00 band is the category's best galaxy s21 case price zone, absorbing 62% of the assortment (305 products) — this is where listing density is highest and where new entrants face the steepest competition for share-of-voice. Use the tier breakdown below to identify the top-ranking ASIN, monthly sales velocity, and rating profile within each band — essential inputs for pricing strategy, sourcing decisions, and competitive benchmarking in the galaxy s21 case category.

Top 3 Price Tiers

$10.00 ~ $20.00 is the most competitive price tier, containing 62% of tracked products.

Sweet Spot
$10.00 ~ $20.00
Tier 1
62%
305 products

Top products in this price tier

#1
B08NCX6FP6
$22.99
500 Units Sold/mo
Unlock Top Performers
#2
$0.00 ~ $10.00
Tier 2
25%
123 products
$20.00 ~ $50.00
Tier 3
13%
66 products
$50.00 ~ $100.00
0%
Unlock to view all price tier distributions and their ASIN sales contributions

"Galaxy s21 case" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "galaxy s21 case" in the US marketplace. This report provides insights into keyword search volume, Amazon search trends, competition levels, and conversion efficiency for sellers and brands.

During the week of 2026-07-12 to 2026-07-18, the Amazon USweekly search volume for "galaxy s21 case" was approximately 2,677 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #83,882, climbing 8,437 positions from the previous week. Additionally, the top 3 products for this keyword capture 22.2% of the total click share and 15.8% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

galaxy s21 case

ASINSIGHT
Search Frequency Rank
83,882
8,437
Search Volume
2,677
16.3%
Top 3 Click Share
22.2%
Top 3 Conv. Share
15.8%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
2,677
View full trends for the past 3 years
JulAugSepOctNovDecJanFebMarAprMayJunJul
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