10 Best galaxy s21 cases of 2025

Save up to 35% off

Best Choice

1

OtterBox
OtterBox for Samsung Galaxy S21 Ultra 5G, Superior Rugged Protective Case, Defender Series, Black
Main highlights

Key Features
Rugged design, OtterArmor Microbial Defense, hands-free viewing with belt clip/kickstand. Includes OtterBox limited lifetime warranty.

Ideal Use Cases
Best for Samsung Galaxy S21 Ultra 5G owners needing robust protection against drops, dust, and germs in any environment.

Customer Praise
Most reviews highlight the case`s exceptional durability and protection, appreciating the secure fit and peace of mind it offers.
Key specs
- compatible devices:Samsung Galaxy S21 ULTRA 5G
- form factor:Basic Case
- special features:Shock-Absorbent
- product dimensions:8.5 x 4.5 x 1.5 inches
- color:black
9.8

Exceptional

Our Rating

9.9
Durability

9.9
lasts a long time

9.7
worth the money
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

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Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

OtterBox

OtterBox Commuter Series Case for Galaxy S21 5G (ONLY - Does NOT FIT Plus or Ultra) - Black
9.6

Exceptional

Our Rating

9.5
Fingerprint scanner

8.9
Easy to grip

8.7
Durability
3

Spigen
Spigen Liquid Air [Military Grade] Designed for Galaxy S21 Case (2021) - Matte Black

35% Off
Main highlights

Slim Lightweight Design
Slim, form-fitted and lightweight with a pocket-friendly profile. Anti-slip matte surface for fingerprint resistance and comfortable grip. Mil-Grade protection with Air Cushion Technology for anti-shock.

Everyday Drop Protection
Ideal for everyday use, providing robust protection against drops and impacts. Perfect for those who frequently drop their phones or need reliable durability.

Customer Praised Durability
Customers consistently praise the case’s durability, highlighting its ability to protect phones from significant impacts, including drops onto concrete and other hard surfaces.
9.3

Excellent

Our Rating

9.9
Durability

9.5
Easy to grip

9.3
Light weight
4

Warsia

for Samsung Galaxy S21 Case, Galaxy S21 Case with HD Screen Protector [Military Grade Drop Tested] Heavy-Duty Tough Rugged Shockproof Protective Case for S21, Black

10% Off
9.2

Excellent

Our Rating
5

Teayoha

Teayoha for Samsung Galaxy S21 Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.2 inch (Black)
9.1

Excellent

Our Rating
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6

OtterBox
OtterBox Commuter Series Case for Samsung Galaxy S21 5G (Only) - Non-Retail Packaging - Black
Main highlights

Compatibility and Protection
Compatible with Samsung Galaxy S21 5G only. Thin, pocket-friendly design with secure grip. Raised edges protect camera and screen. DROP+ 3X military standard MIL-STD-810G 516.6.

Ideal for Everyday Use
Perfect for users who need a slim, durable case that fits easily in pockets. Ideal for those who prioritize protection from dirt, dust, and drops.

Praised for Durability and Fit
Customers appreciate the case's durability, perfect fit, and protective features. Noted for its effectiveness in preventing damage from drops and the appealing color options.
Key specs
- compatible devices:Samsung Galaxy S21 5G
- form factor:Basic Case
- special features:Camera Protector, Wireless Charging
- product dimensions:6.61 x 3.26 x 0.54 inches
- color:Black
8.8

Very Good

Our Rating

9.5
worth the money

9.1
Durability

8.9
materials Quality
7

Crave
Crave Dual Guard for Galaxy S21 Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21, S21 5G (6.2 inch) - Forest Green
Main highlights

Key Features
Offers premium protection against drops and scratches, easy grip design, tactile buttons, and comes with a lifetime warranty, exclusively for Samsung Galaxy S21.

Ideal Use Cases
Perfect for everyday use, especially for those prone to dropping their phone or requiring a slim case that doesn`t sacrifice protection.

Customer Reviews
Most reviews highly praise its durable protection without adding bulk, highlighting the case`s perfect fit and feel for the Samsung Galaxy S21.
Key specs
- compatible devices:Samsung Galaxy S21, S21 5G
- form factor:Bumper
- special features:Camera Protector, Shock Absorption, Dual Layer
- product dimensions:6.77 x 3.43 x 0.71 inches
- color:Forest Green
8.7

Very Good

Our Rating

9.9
Fingerprint scanner

9.1
Easy to grip

8.7
Sheerness
8

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

Compatibility with Galaxy S21 Ultra 5G
Compatible with Galaxy S21 Ultra 5G ONLY - DOES NOT FIT non-Plus or Plus sizes.

Ideal for Daily Users with Frequent Drops
Perfect for daily users who hold their phone frequently and may have a history of phone drops. Offers robust protection without excessive bulk.

Praised for Robust Protection
Most reviews highlight the case's ability to protect the phone even after severe drops, with many users noting their phones remained undamaged.
Key specs
- compatible devices:Galaxy S21 Ultra 5G
- form factor:Thin profile
- special features:Microbial growth blocker
- product dimensions:N/A
- color:N/A
8.6

Very Good

Our Rating

9.9
Durability

9.3
Easy installation

8.7
lasts a long time
9

TENOC

TENOC Phone Case for Samsung Galaxy S21 5G, Clear Case Non-Yellowing Protective Bumper Hard Back Cover
8.4

Good

Our Rating
10

Gritup

Gritup for Galaxy-S21-Case with Slide Camera Cover + [HD Screen Protector×2], 360° Metal Rotated Ring Kickstand,Military Grade Shockproof Protective Cover Case for Samsung Galaxy S21,Black
8.3

Good

Our Rating

10 Best galaxy s21 cases of 2025

1

OtterBox for Samsung Galaxy S21 Ultra 5G, Superior Rugged Protective Case, Defender Series, Black

9.9

9.9

9.7

How do we rank?

How do we rank?

Analyzing top stores

2

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

9.5

8.9

8.7

3

Spigen Liquid Air [Military Grade] Designed for Galaxy S21 Case (2021) - Matte Black

9.9

9.5

9.3

4

for Samsung Galaxy S21 Case, Galaxy S21 Case with HD Screen Protector [Military Grade Drop Tested] Heavy-Duty Tough Rugged Shockproof Protective Case for S21, Black

5

Teayoha for Samsung Galaxy S21 Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.2 inch (Black)

6

OtterBox Commuter Series Case for Samsung Galaxy S21 5G (Only) - Non-Retail Packaging - Black

9.5

9.1

8.9

7

Crave Dual Guard for Galaxy S21 Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21, S21 5G (6.2 inch) - Forest Green

9.9

9.1

8.7

8

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

9.9

9.3

8.7

9

TENOC Phone Case for Samsung Galaxy S21 5G, Clear Case Non-Yellowing Protective Bumper Hard Back Cover

10

Gritup for Galaxy-S21-Case with Slide Camera Cover + [HD Screen Protector×2], 360° Metal Rotated Ring Kickstand,Military Grade Shockproof Protective Cover Case for Samsung Galaxy S21,Black

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