Best Selling Samsung Galaxy S21 5g Phone Case: See Top Product Rankings by Sales Volume & Market Trends

August 2026
43 Products Tracked

Looking for the most popular samsung galaxy s21 5g phone 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 "samsung galaxy s21 5g phone 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 B0BS4DZZG5 currently leads the samsung galaxy s21 5g phone case market with 1K monthly sales, followed closely by B08LK27MLH with 500 monthly sales and B08P61PH7X with 500 monthly sales. Meanwhile, ASIN B08NCNBBTW 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 August 2026
OtterBox Defender Series Screenless Edition Case for Samsung Galaxy S21 5G (Only) - Holster Clip Included - Non-Retail Packaging - Black
1
B0BS4DZZG5
$17.41·
4.6
Units/sold1K
Spigen for Galaxy S21 Case, Liquid Air [No Magnet Ring] [Military-Grade Protection] - Matte Black | Air Cushion Tech, Sound Tunnel Tech, Military Grade Protection, Slim TPU Case, Non-Slip Grip, Precise Cut-Outs
2
B08LK27MLH
$12.99·
4.6
Units/sold500
OtterBox Defender Case for Samsung Galaxy S21+ 5G, Shockproof, Drop Proof, Ultra-Rugged, Protective Case, 4X Tested to Military Standard, Black
3
B08P61PH7X
$27.99·
4.6
Units/sold500
🚀Fastest Growing
by MoM sales growth
OtterBox Galaxy S21 Ultra 5G Defender Series Case - Black | Tough, Rugged & Durable Samsung Galaxy Case, Multi-Layer, Impact Absorbing Phone Case for Samsung, Includes Holster Kickstand
#1
B08NCNBBTW
$31.49·
4.7
OtterBox Galaxy S21 Ultra 5G Defender Series Case - Black | Tough, Rugged & Durable Samsung Galaxy Case, Multi-Layer, Impact Absorbing Phone Case for Samsung, Includes Holster Kickstand
Units/sold
300100.0%
Spigen for Galaxy S21 Case, Liquid Air [No Magnet Ring] [Military-Grade Protection] - Matte Black | Air Cushion Tech, Sound Tunnel Tech, Military Grade Protection, Slim TPU Case, Non-Slip Grip, Precise Cut-Outs
#2
B08LK27MLH
$12.99·
4.6
Spigen for Galaxy S21 Case, Liquid Air [No Magnet Ring] [Military-Grade Protection] - Matte Black | Air Cushion Tech, Sound Tunnel Tech, Military Grade Protection, Slim TPU Case, Non-Slip Grip, Precise Cut-Outs
Units/sold
500100.0%

Top Selling Samsung Galaxy S21 5g Phone Case

As of August 2026, we analyzed 43 tracked products in Amazon's "samsung galaxy s21 5g phone 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 1,000 monthly sales. B0BS4DZZG5 leads the samsung galaxy s21 5g phone case market with an estimated 1,000 monthly sales, up 4.0% from the previous month.

43Products Tracked
470Top 10 Avg. Sales
$20.86Top 10 Avg. Price
4.5Top 10 Avg. Rating
🏆
OtterBox Defender Series Screenless Edition Case for Samsung Galaxy S21 5G (Only) - Holster Clip Included - Non-Retail Packaging - Black
#1
B0BS4DZZG5

OtterBox Defender Series Screenless Edition Case for Samsung Galaxy S21 5G (Only) - Holster Clip Included - Non-Retail Packaging - Black

1,000
▲ 4.0%
Units Sold/mo
$17.41
Price
4.6
Rating
185
Reviews
2
Spigen for Galaxy S21 Case, Liquid Air [No Magnet Ring] [Military-Grade Protection] - Matte Black | Air Cushion Tech, Sound Tunnel Tech, Military Grade Protection, Slim TPU Case, Non-Slip Grip, Precise Cut-Outs
B08LK27MLH
$12.99
4.6 (131.1K)
Spigen for Galaxy S21 Case, Liquid Air [No Magnet Ring] [Military-Grade Protection] - Matte Black | Air Cushion Tech, Sound Tunnel Tech, Military Grade Protection, Slim TPU Case, Non-Slip Grip, Precise Cut-Outs
500 Units Sold/mo▲ 100.0%
3
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 (3.3K)
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
4
Crave Dual Guard for Samsung Galaxy S21 Case - Forest Green | Designed for the Samsung Galaxy S21 (6.2 inch) with Wireless Charging Compatibility and a Textured Grip
B08RBXMLZ6
$17.99
4.4 (23.7K)
Crave Dual Guard for Samsung Galaxy S21 Case - Forest Green | Designed for the Samsung Galaxy S21 (6.2 inch) with Wireless Charging Compatibility and a Textured Grip
500 Units Sold/mo
5
LeYi for S21-Phone Case Thin [MagSafe Fit] & Camera Bump Protection, Black | Samsung S21 Case Magnetic Matte Translucent Samsung Galaxy S 21 Case Android Mobile Unlocked Cell Funda para 21S 5G 2021
B0GY7JYT7T
$9.99
4.5 (5.8K)
LeYi for S21-Phone Case Thin [MagSafe Fit] & Camera Bump Protection, Black | Samsung S21 Case Magnetic Matte Translucent Samsung Galaxy S 21 Case Android Mobile Unlocked Cell Funda para 21S 5G 2021
500 Units Sold/mo▲ 9.0%
10
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
300 Units Sold/mo▲ 100.0%
View All 43 Products & Deep InsightsGet full access to sales data, trends, and market analysis

For sellers and category managers benchmarking the samsung galaxy s21 5g phone case price landscape, we segmented all 43 tracked listings in Amazon's live "samsung galaxy s21 5g phone 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 samsung galaxy s21 5g phone case price zone, absorbing 52% of the assortment (120 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 samsung galaxy s21 5g phone case category.

Top 3 Price Tiers

$10.00 ~ $20.00 is the most competitive price tier, containing 52% of tracked products.

Sweet Spot
$10.00 ~ $20.00
Tier 1
52%
120 products

Top products in this price tier

#1
B0BS4DZZG5
$17.41
1k Units Sold/mo
Unlock Top Performers
#2
$0.00 ~ $10.00
Tier 2
21%
49 products
$20.00 ~ $50.00
Tier 3
18%
42 products
$1000.00 ~ $0.00
7%
Unlock to view all price tier distributions and their ASIN sales contributions

"Samsung galaxy s21 5g phone case" Search Volume and Market Trends on Amazon

Amazon keyword search volume data for "samsung galaxy s21 5g phone 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 2026-08-09 to 2026-08-15, the Amazon USweekly search volume for "samsung galaxy s21 5g phone case" was approximately 188 searches. The keyword currently holds an Amazon Search Frequency Rank (SFR) of #933,879, dropping 242,972 positions from the previous week. Additionally, the top 3 products for this keyword capture 17.6% of the total click share and 15.4% of the conversion share, indicating the level of market concentration.

Amazon Search Term
Weekly

samsung galaxy s21 5g phone case

ASINSIGHT
Search Frequency Rank
933,879
242,972
Search Volume
188
27.4%
Top 3 Click Share
17.6%
Top 3 Conv. Share
15.4%

Search Volume Trend

Past 3 Years
Past 4 Months
Recent 8 months
Weekly Search Volume
188
View full trends for the past 3 years
AugSepOctNovDecJanFebMarAprMayJunJulAug
Multi-Dimensional Data

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