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

June 2026
46 Products Tracked

Looking for the most popular s21 plus 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 "s21 plus 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 B08P61PH7X currently leads the s21 plus case market with 500 monthly sales, followed closely by B0CJB986W4 with 400 monthly sales and B0BPZSV47F with 300 monthly sales. 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 June 2026
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
1
B08P61PH7X
$27.99·
4.6
Units/sold500
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
2
B0CJB986W4
$9.98·
4.4
Units/sold400
OtterBox Commuter Series Case for Samsung Galaxy S21+ 5G (Only) - Non-Retail Packaging - Black
3
B0BPZSV47F
$21.83·
4.4
Units/sold300

Top Selling S21 Plus Case

As of June 2026, we analyzed 46 tracked products in Amazon's "s21 plus 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 200 and 500 monthly sales. B08P61PH7X leads the s21 plus case market with an estimated 500 monthly sales.

46Products Tracked
270Top 10 Avg. Sales
$18.56Top 10 Avg. Price
4.5Top 10 Avg. Rating
🏆
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
#1
B08P61PH7X

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
$27.99
Price
4.6
Rating
3.2K
Reviews
2
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
B0CJB986W4
$9.98
4.4 (725)
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
400 Units Sold/mo▼ 33.3%
3
OtterBox Commuter Series Case for Samsung Galaxy S21+ 5G (Only) - Non-Retail Packaging - Black
B0BPZSV47F
$21.83
4.4 (745)
OtterBox Commuter Series Case for Samsung Galaxy S21+ 5G (Only) - Non-Retail Packaging - Black
300 Units Sold/mo▼ 66.7%
4
Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic,S21+ Phone case Military-Grade Drop Protection S21 Plus Phone Case 5g Matte Slim for Samsung S21 Plus Case Cover[6.7"]-Black
B0F59SCL3C
$11.99
4.5 (746)
Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic,S21+ Phone case Military-Grade Drop Protection S21 Plus Phone Case 5g Matte Slim for Samsung S21 Plus Case Cover[6.7"]-Black
300 Units Sold/mo▼ 50.0%
5
OtterBox Galaxy S21+ 5G (ONLY - Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case - Does NOT FIT Non-Plus Size or Ultra - Black, Slim & Tough, Pocket-Friendly, with Port Protection
B08NC14JF6
$29.95
4.5 (6.6K)
OtterBox Galaxy S21+ 5G (ONLY - Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case - Does NOT FIT Non-Plus Size or Ultra - Black, Slim & Tough, Pocket-Friendly, with Port Protection
200 Units Sold/mo
10
for Samsung Galaxy S21 Plus Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.7 inch (Black)
B0DCZSF86C
$9.99
4.2 (461)
for Samsung Galaxy S21 Plus Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.7 inch (Black)
200 Units Sold/mo▼ 75.0%
View All 46 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the s21 plus case price landscape, we segmented all 46 tracked listings in Amazon's live "s21 plus 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 s21 plus case price zone, absorbing 45% of the assortment (65 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 s21 plus case category.

Top 3 Price Tiers

$10.00 ~ $20.00 is the most competitive price tier, containing 45% of tracked products.

Sweet Spot
$10.00 ~ $20.00
Tier 1
45%
65 products

Top products in this price tier

#1
B08P61PH7X
$27.99
500 Units Sold/mo
Unlock Top Performers
#2
$0.00 ~ $10.00
Tier 2
36%
52 products
$20.00 ~ $50.00
Tier 3
18%
26 products
$50.00 ~ $100.00
0%
Unlock to view all price tier distributions and their ASIN sales contributions

"S21 plus case" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "s21 plus 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 2026-06-14 to 2026-06-20, the Amazon USweekly search volume for "s21 plus case" was approximately 143 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #1,197,764, dropping 143,857 positions from the previous week. Additionally, the top 3 products for this keyword capture 23% of the total click share and 20% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

s21 plus case

ASINSIGHT
Search Frequency Rank
1,197,764
143,857
Search Volume
143
13.3%
Top 3 Click Share
23%
Top 3 Conv. Share
20%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
143
View full trends for the past 3 years
JunJulAugSepOctNovDecJanFebMarAprMayJun
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