10 Best case for samsung s21 ultras of 2025

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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
9.9

Exceptional

Our Rating

9.9
Durability

9.9
lasts a long time

9.7
worth the money
How do we rank?

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

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Value for Money

2

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

Rugged Drop Protection
OtterBox Defender Series Samsung Galaxy S21 Ultra 5G case offers rugged drop protection with multi-layer construction and raised edges for camera and screen safety.

Ideal for Construction Workers
Perfect for environments with frequent drops and rough handling, such as construction sites. Includes port covers to block dirt and a belt clip for convenience.

Highly Durable and Protective
Customers frequently praise the case's durability and ability to protect phones from significant drops, with many noting it prevents damage even after severe impacts.
9.8

Exceptional

Our Rating

9.9
Durability

9.7
lasts a long time

9.3
Comfort
3

Teayoha

Teayoha for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.8 inch (Black)
9.5

Excellent

Our Rating
4

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
9.4

Excellent

Our Rating

9.9
Durability

9.3
Easy installation

8.7
lasts a long time
5

MXX
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)
Main highlights

Durable Protection and Compatibility
Triple-layer defense with shockproof, dust, scratch, and drop protection. Compatible with Galaxy S21 Ultra 5G 2021 across all carriers.

Ideal for Active Users
Perfect for users needing robust protection against drops, scratches, and shocks. Great for families with kids or individuals frequently on the move.

Praised for Durability and Fit
Customers love the durability and precise fit, comparing it favorably to Otterbox. Common praise for its strong protection and excellent value.
9.2

Excellent

Our Rating

9.9
Durability

9.7
lasts a long time

9.1
Easy installation
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6

TORRAS
TORRAS Shockproof Compatible for Samsung Galaxy S21 Ultra Case, [Military Grade Drop Tested] S21 Ultra Case, Translucent Matte Hard Back with Soft Edge Slim Thin Galaxy S21 Ultra Case, Matte Black
Main highlights

Silky Touch and Comfortable Grip
The Matte Nano Oleophobic Coating of the thin Galaxy S21 Ultra case makes holding your S21 Ultra a pleasure, preventing annoying fingerprints over the back.

Ideal for Minimal Bulk
Perfect for those who prefer thinner cases on large phones to minimize added bulk while carrying it in a pocket.

Highly Praised for Protection
Commonly praised for its balance of style and functionality, with raised edges for screen and camera protection.
Key specs
- compatible devices:Galaxy S21 Ultra 5G
- form factor:Thin case
- special features:Shockproof, wireless charging
- product dimensions:0.04 x 0.04 x 0.04 inches
- color:Dark grey
9.0

Excellent

Our Rating

9.5
materials Quality

9.3
Durability

9.1
Comfort
7

Crave

Crave Dual Guard for Galaxy S21 Ultra Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Ultra, S21 Ultra 5G (6.8 inch) - Forest Green
8.9

Very Good

Our Rating
8

FNTCASE

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)
8.8

Very Good

Our Rating
9

Dexnor
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
Main highlights

Compatibility and Protection
This case is designed exclusively for the Galaxy S21 Ultra 6.8 inches, offering 360 heavy-duty protection with reinforced corners and raised edges.

Ideal for Drop-Prone Users
Perfect for those who frequently drop their phones, it provides robust protection against drops, cracks, and scratches, maintaining phone integrity.

Highly Praised Durability
Customers consistently praise the case's durability and protection, noting it keeps their phones in pristine condition even after multiple drops.
Key specs
- compatible devices:Galaxy S21 Ultra
- form factor:Bumper
- special features:Camera Protector
- product dimensions:6.54 x 2.99 x 0.39 inches
- color:Black
8.6

Very Good

Our Rating

9.7
Durability

9.5
Easy to build

8.4
Interactive Display
10

SUPCASE

SUPCASE for Samsung Galaxy S21 Ultra Case with Stand (Unicorn Beetle Pro), [Built-in Front Frame & Belt-Clip] [Military-Grade Protection] Full-Body Rugged Phone Case for Galaxy S21 Ultra, Black
8.3

Good

Our Rating

10 Best case for samsung s21 ultras 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 for Samsung Galaxy S21 Ultra 5G, Superior Rugged Protective Case, Defender Series, Black

9.9

9.7

9.3

3

Teayoha for Samsung Galaxy S21 Ultra Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.8 inch (Black)

4

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

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)

9.9

9.7

9.1

6

TORRAS Shockproof Compatible for Samsung Galaxy S21 Ultra Case, [Military Grade Drop Tested] S21 Ultra Case, Translucent Matte Hard Back with Soft Edge Slim Thin Galaxy S21 Ultra Case, Matte Black

9.5

9.3

9.1

7

Crave Dual Guard for Galaxy S21 Ultra Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Ultra, S21 Ultra 5G (6.8 inch) - Forest Green

8

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)

9

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

9.7

9.5

8.4

10

SUPCASE for Samsung Galaxy S21 Ultra Case with Stand (Unicorn Beetle Pro), [Built-in Front Frame & Belt-Clip] [Military-Grade Protection] Full-Body Rugged Phone Case for Galaxy S21 Ultra, Black

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