Best Selling S21 Ultra Case on Amazon
44
Products
USMarketplace
June 2026Reporting Period
Sales Volume of Top ASINs for 's21 ultra case' on AmazonJune 2026

Most Selling Products

This list compiles the monthly sales and rankings of all ASINs that appeared within the first three pages of search results for the keyword “s21 ultra case” on Amazon.com in the United States, totaling 44 products. Under this keyword, the top-ranked ASIN recorded more than 500 orders in June.
lock Unlock detailed data for all
44
ASINs
1
OtterBox Commuter Series Case for Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) - Black
Title
OtterBox Commuter Series Case for Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) - Black
Sales Volume
500+
Price($)
22.99
Ratings
4.5
Reviews
8,384
2
OtterBox Defender Series Rugged Case & Holster for Samsung Galaxy S21 5G (NOT Plus/FE/Ultra) Non-Retail Packaging - Black - with Microbial Defense
Title
OtterBox Defender Series Rugged Case & Holster for Samsung Galaxy S21 5G (NOT Plus/FE/Ultra) Non-Retail Packaging - Black - with Microbial Defense
Sales Volume
500+
Price($)
26.47
Ratings
4.5
Reviews
1,655
3
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Lichen The Trek (Green) - Holster Clip Included - Non-Retail Packaging
Title
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Lichen The Trek (Green) - Holster Clip Included - Non-Retail Packaging
Sales Volume
500+
Price($)
27.95
Ratings
4.8
Reviews
466
4
for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.8 inch (Black)
Title
for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.8 inch (Black)
Sales Volume
500+
Price($)
9.99
Ratings
4.2
Reviews
459
5
MXX Case Compatible with Galaxy S21 Ultra Case, 3-Layer Super Full Heavy Duty Body Bumper Cover/Shock Protection/Dust Proof, Designed for Samsung Galaxy S21 Ultra 5G 6.8 Inch 2021 (Black)
Title
MXX Case Compatible with Galaxy S21 Ultra Case, 3-Layer Super Full Heavy Duty Body Bumper Cover/Shock Protection/Dust Proof, Designed for Samsung Galaxy S21 Ultra 5G 6.8 Inch 2021 (Black)
Sales Volume
300+
Price($)
15.95
Ratings
4.5
Reviews
9,046
6
FNTCASE for Samsung Galaxy S21-Ultra Case: Military Grade Rugged Cell Phone Cover with Kickstand | Shockproof TPU Protection Bumper Matte Textured Design for Samsung S21 Ultra Cases 6.8 inches (Black)
Title
FNTCASE for Samsung Galaxy S21-Ultra Case: Military Grade Rugged Cell Phone Cover with Kickstand | Shockproof TPU Protection Bumper Matte Textured Design for Samsung S21 Ultra Cases 6.8 inches (Black)
Sales Volume
300+
Price($)
16.99
Ratings
4.2
Reviews
1,191
7
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Black - Rugged & Durable - with Port Protection - Holster Clip Included - Non-Retail Packaging
Title
OtterBox Galaxy S21 Ultra 5G (Only) - Defender Series Screenless Edition Case - Black - Rugged & Durable - with Port Protection - Holster Clip Included - Non-Retail Packaging
Sales Volume
300+
Price($)
34.95
Ratings
4.8
Reviews
466
8
OtterBox Commuter Series Case for Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) - Bespoke Way (Blazer Blue/Stormy SEAS Blue)
Title
OtterBox Commuter Series Case for Galaxy S21 Ultra 5G (ONLY - Does NOT FIT Non-Plus or Plus Sizes) - Bespoke Way (Blazer Blue/Stormy SEAS Blue)
Sales Volume
200+
Price($)
21.95
Ratings
4.5
Reviews
8,384
9
Crave for Galaxy S21 Ultra Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Ultra 5G (6.8 inch) - Forest Green
Title
Crave for Galaxy S21 Ultra Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Ultra 5G (6.8 inch) - Forest Green
Sales Volume
200+
Price($)
16.99
Ratings
4.5
Reviews
15,874
10
Dexnor for Samsung Galaxy S21 Ultra Case, [Built in Screen Protector and Kickstand] Heavy Duty Military Grade Protection Shockproof Protective Cover for Samsung Galaxy S21 Ultra 5G, 6.8 inch Black
Title
Dexnor for Samsung Galaxy S21 Ultra Case, [Built in Screen Protector and Kickstand] Heavy Duty Military Grade Protection Shockproof Protective Cover for Samsung Galaxy S21 Ultra 5G, 6.8 inch Black
Sales Volume
200+
Price($)
16.99
Ratings
4.2
Reviews
5,656
Keyword S21 Ultra Case Weekly Search Volume Trend
55,901
355,642
Search Frequency Rank
During May 31–6, this keyword ranked 355,642 in Amazon's Brand Analytics(ABA) report, down 55,901 from the previous week. The most recent Weekly search volume was 518 (-16.18% WoW). These insights help Amazon Sellers track long-term demand trends, identify market opportunities, and spot seasonal peaks.
S21 Ultra Case Market Overview
This dataset shows the distribution of all ASINs on the first three pages under the keyword "s21 ultra case". In the price range of $10–$20, there are 92 ASINs, the highest proportion, accounting for 54.12%. Nearly 78.24% of ASINs have a rating of 4.3-4.7. For this keyword, the top three ranked ASINs have a combined click-through rate of 22.33% and a combined conversion rate of 11.85%.
Price Range Distribution($)
Price distribution of all ASINs on the first three pages of search results for this keyword.
Price($)Ratio
0-10
18.24%
10-20
54.12%
20-50
26.47%
50-100
1.18%
100-200
0.00%
200-500
0.00%
500-1,000
0.00%
1,000-0
0.00%
Rating Distribution
Rating distribution of all ASINs on the first three pages of search results for this keyword.
RatingRatio
4.8-5.0
2.35%
4.3-4.7
78.24%
3.8-4.2
19.41%
3.3-3.7
0.00%
2.8-3.2
0.00%
0.0-2.7
0.00%
lock
Unlock Full Data
Review Count Distribution
Review Count of all ASINs on the first three pages of search results for this keyword.
Review CountRatio
0-100
8.88%
100-500
28.99%
500-1,000
13.61%
1,000-2,000
20.12%
2,000-5,000
11.83%
5,000-10,000
11.24%
10,000-0
5.33%
lock
Unlock Full Data
Top3 Click Share
22.33%
Trend changes in the combined click share of the Top 3 ASINs for the keyword s21 ultra case.
Top3 Conversion Share
11.85%
Trend changes in the combined conversion share of the Top 3 ASINs for the keyword s21 ultra case.
Top3 ASINs
Top 3 ASINs by click share and conversion share for this keyword.
AsinClick(%)Conversion(%)
B0F1XNYC34B0F1XNYC34
9.14%
1.69%
B08NCX6FP6B08NCX6FP6
7.61%
5.08%
B0CKHKWNFKB0CKHKWNFK
5.58%
5.08%
Most Selling Products
Search Volume & Trends
Market Overview
Looking for fuller competitor and market data?
Related
Best Selling Iphone 12 Privacy Screen Protector on Amazon
Sales Volume of Top ASINs for 'iphone 12 privacy screen protector' on AmazonApril,2026
iphone 12 privacy screen protector
1,360
0.00% last week
Best Selling Iphone 17 Pro Max Magsafe Case on Amazon
Sales Volume of Top ASINs for 'iphone 17 pro max magsafe case' on AmazonMarch,2026
iphone 17 pro max magsafe case
5,681
+4.10% last week
Best Selling Kids Ipad Case on Amazon
Sales Volume of Top ASINs for 'kids ipad case' on AmazonApril,2026
kids ipad case
2,927
-7.23% last week

Looking for more market and competitor insights?

We provide hourly competitor rankings and multidimensional insights that fuel Amazon growth.

No credit card required

logo
Empower Amazon Sellers With Keyword Expertise
Boost Product Keyword Rankings.
Contact Ussupport@asinsight.com
discordfacebookyoutube
Cookies Settings

Copyright © 2026 ASINSIGHT All rights reserved.

Terms & Conditions

Privacy Policy