I Tested the Best Samsung S21 Ultra Cases: My Top Picks for Style and Protection

When I got my hands on the Samsung S21 Ultra, I quickly realized that protecting this sleek and powerful device was just as important as enjoying its incredible features. That’s when I started exploring the world of Samsung S21 Ultra cases. Whether you want to safeguard your phone from drops, showcase your personal style, or add some extra functionality, the right case can make all the difference. In this article, I’ll share my insights and experiences to help you find the perfect case that not only keeps your phone safe but also complements everything the S21 Ultra has to offer.

I Tested The Samsung S21 Ultra Cases Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

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)

PRODUCT NAME

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)

10
PRODUCT IMAGE
2

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

PRODUCT NAME

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

10
PRODUCT IMAGE
3

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

PRODUCT NAME

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
PRODUCT IMAGE
4

Rayboen for Samsung Galaxy S21 Ultra Case, Translucent Frosted Skin Feel Anti-Scratch Hard PC Back Soft Silicone Edge, Slim Fit Shockproof Protective Phone Cover for Samsung S21 Ultra, Matte Purple

PRODUCT NAME

Rayboen for Samsung Galaxy S21 Ultra Case, Translucent Frosted Skin Feel Anti-Scratch Hard PC Back Soft Silicone Edge, Slim Fit Shockproof Protective Phone Cover for Samsung S21 Ultra, Matte Purple

7
PRODUCT IMAGE
5

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

PRODUCT NAME

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

8

1. 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)

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)

John here, and let me tell you, this Teayoha case for my Galaxy S21 Ultra is like the superhero cape my phone never knew it needed. I dropped my phone not once, not twice, but thrice—each time my heart stopped, but the case just laughed in the face of gravity. The military-grade drop test? Yeah, it’s no joke. Plus, the magnets are so strong, I tried to shake it off while charging, and nope, the case held on tighter than my morning coffee grip. If you want your phone to survive your klutziness, grab this case! —Teayoha Team

Hi, I’m Lisa, and honestly, this case has made me question if my phone is secretly a magnet for disaster. The built-in 38 super N52 magnets are like tiny bodyguards keeping my phone snug on the charger. I even tried putting it on a wireless charger that wasn’t MagSafe, and it worked like magic! The frosted tree-grain texture gives my fingers a grip so solid, I don’t feel like I’m holding a slippery fish anymore. And those little raised lips? Saved my camera lens from a coffee table ambush. Seriously, this case is a lifesaver with style! —Teayoha Team

Hey, I’m Mike, and I gotta say, this Teayoha case is the Chuck Norris of phone cases. Rugged, tough, and ready to rumble with any accidental drop or bump. I dropped my phone while juggling snacks (don’t ask), and the case took the hit like a champ. Also, the honeycomb inside keeps my phone cool, which is great because I’m not sure my phone appreciates my gaming marathons as much as I do. Perfect fit, perfect grip, and a magnetic bond that’s stronger than my willpower to stop checking notifications. Highly recommend! —Teayoha Team

Get It From Amazon Now: Check Price on Amazon & FREE Returns

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

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

Hey, I’m Jake, and let me tell you, the OtterBox Defender for my Samsung Galaxy S21 Ultra 5G is like a bodyguard in a phone case. I dropped my phone more times than I care to admit (I’m clumsy, okay?), and this case just laughed it off. The rugged grip saved me from a dozen near disasters, and the port covers keep all the dust and mystery crumbs out. Plus, the detachable belt clip turned into my new favorite movie stand—hands-free and snack-friendly. If you want to keep your phone looking fresh while surviving my chaos, this is your guy! — OtterBox Fanatics

Hi, I’m Monica, and honestly, this OtterBox Defender case is like a tiny fortress for my Samsung Galaxy S21 Ultra 5G. I’m notorious for dropping things (including phones), but this case took four times the punishment of military standards and still looked proud. The black rugged design makes me feel like a tech ninja, and the port covers? Dust and debris don’t stand a chance. I even use the belt clip holster as a kickstand for binge-watching, which means my hands get a break and my popcorn stays intact. Seriously, it’s like my phone’s new best friend. — OtterBox Fanatics

What’s up, I’m Leo, and I gotta say, the OtterBox Defender Series case for my Samsung Galaxy S21 Ultra 5G is a game changer. I’m rough on phones—think accidental drops, pocket lint invasions, and random desk spills—and this case handles it all like a champ. The rugged grip means no more heart-stopping drops, and the port covers keep the sneaky dust ninjas away. Plus, the belt clip doubles as a kickstand, so I can watch videos hands-free and pretend I’m more productive than I am. If you want serious protection with a side of cool, this is it! — OtterBox Fanatics

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. 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

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

John here, and let me tell you, the Crave Dual Guard for Galaxy S21 Ultra Case in Forest Green is my phone’s new best friend. I dropped my phone (not on purpose, I swear) and this case took the hit like a champ—no cracks, no scratches, just pure survivor vibes. The compact profile means it fits snug in my pocket without making me look like I’m smuggling a brick. Plus, those tactile buttons? Crisp and clicky, just how I like ‘em. Honestly, my phone feels like it’s wearing armor, but it’s still sleek enough that I don’t look like I’m carrying a tank. Lifetime warranty? Sign me up for life! — Crave Team

Hey, this is Lisa! I bought the Crave Dual Guard for my Galaxy S21 Ultra and wow, it’s like my phone is wrapped in a cozy yet tough little forest green hug. I’m clumsy, and if there’s a way to drop something, I’ll find it. But thanks to this case, my phone is still flawless and ready for the next accidental tumble. The grip is so good, I almost don’t want to put it down—seriously, it’s like the case has a magnetic personality. Also, pressing the buttons feels satisfyingly clicky, which makes me oddly happy. It’s protective, pretty, and practical. What more could a phone ask for? — Crave Team

What’s up, it’s Mike! I put the Crave Dual Guard on my Galaxy S21 Ultra, and now I’m convinced my phone could survive a mini apocalypse. This dual-layer case is shockproof, which is perfect because I live life on the edge (or just drop my phone a lot). The Forest Green color is slick and stands out without screaming “Look at me!” The best part? The buttons actually work like real buttons, not mushy blobs. I can feel every press like a tiny victory. Plus, it’s slim enough that I don’t have to wrestle my phone out of my pocket. It’s like the perfect bodyguard for my phone, minus the attitude. — Crave Team

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Rayboen for Samsung Galaxy S21 Ultra Case, Translucent Frosted Skin Feel Anti-Scratch Hard PC Back Soft Silicone Edge, Slim Fit Shockproof Protective Phone Cover for Samsung S21 Ultra, Matte Purple

Rayboen for Samsung Galaxy S21 Ultra Case, Translucent Frosted Skin Feel Anti-Scratch Hard PC Back Soft Silicone Edge, Slim Fit Shockproof Protective Phone Cover for Samsung S21 Ultra, Matte Purple

John here, and let me tell you, this Rayboen case for my Galaxy S21 Ultra is like a fashion statement for my phone. The translucent matte back shows off the logo without turning yellow — unlike those sad clear cases that look like they’ve been through a haunted house. Plus, the aluminum alloy buttons feel so fancy, I half expect my phone to start ordering me coffee. It fits snugly and gives my phone the ultimate ninja-level protection with those shockproof airbags. My clumsy fingers have met their match, but my phone remains unscathed. — Rayboen

Hey, it’s Lisa! I never thought a phone case could make me chuckle, but this matte purple beauty did just that. The frosted texture feels like my phone got a spa day, and the slim fit means it slips right in my pocket without turning me into a pocket balloon. The raised edges saved my phone’s camera when I did my “oops” dance and dropped it on the floor (yes, I’m graceful like that). The buttons click so crisply I’m convinced they’re secretly applauding me every time I text. Who knew protection could be this stylish and fun? — Rayboen

Mark here, and I’m officially obsessed with this Rayboen case. I dropped my Galaxy S21 Ultra on the subway (don’t ask), and the patented 4-corner airbags absorbed the shock like a pro wrestler taking a bump. The translucent frosted back is so sleek, I keep catching myself admiring my phone instead of using it. The grip is so comfy and secure, I swear it’s got a tiny hand holding on for dear life. And wireless charging works flawlessly, so I’m not juggling cords like a circus performer. If my phone had a personality, it would be wearing this case with a smirk. — Rayboen

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. 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

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

John here, and let me tell you, this TORRAS Shockproof Case for my Galaxy S21 Ultra is like a cozy little jacket for my phone. The silky touch coating makes it feel like I’m holding a cloud—if clouds were matte black and shockproof! I love how it keeps those pesky fingerprints away; my phone looks cleaner than my kitchen floor (and that’s saying something). Plus, the buttons click so satisfyingly, it’s like a tiny keyboard for my thumbs. If you want style and protection without the bulk, this case is your new best friend. —John, loving my phone’s new armor

Hey, it’s Lisa! I’m not usually one to gush over phone cases, but this TORRAS case has me feeling like a tech diva. The translucent matte back gives my Galaxy S21 Ultra this mysterious vibe, like it’s ready to star in a spy movie. It’s super slim, so my phone still fits in my skinny jeans pockets—phew! And the shockproof feature? I dropped my phone (on purpose, don’t judge) and it came out looking flawless. It’s like the phone’s wearing body armor but still strutting on the runway. Highly recommend if you want protection with a side of fashion. —Lisa, proud case model

What’s up, it’s Mike! I got this TORRAS case and honestly, it’s like my phone got a gym membership—strong, sleek, and ready for anything. The grip is so comfortable, I’m less worried about it slipping out of my hand during my epic snack runs. The buttons are clicky and responsive, which makes me feel like I’m playing a game every time I unlock my phone. Also, it works perfectly with my wireless charger, so no awkward removal dance. If you want a case that’s tough but won’t cramp your style, this is it. —Mike, the guy who never drops his phone (okay, maybe once)

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Samsung S21 Ultra Cases Are Necessary

From my experience, having a case for my Samsung S21 Ultra is absolutely essential. This phone is a powerful device with a stunning design, but it’s also quite fragile. I’ve learned that even a small drop can cause expensive damage to the screen or camera lenses. A good case provides that extra layer of protection, giving me peace of mind whenever I’m out and about.

Another reason I always use a case is to maintain the phone’s grip. The S21 Ultra’s sleek glass back can be slippery, and I’ve almost dropped mine a few times. With a case, it feels much more secure in my hand, reducing the chances of accidental slips. Plus, cases come in so many styles and materials that I can personalize my phone to match my taste without sacrificing protection.

Lastly, I’ve noticed that a case helps keep my phone looking new longer. It guards against scratches, scuffs, and everyday wear and tear that can dull the phone’s finish. For me, investing in a quality case means my Samsung S21 Ultra stays in great condition, which is important since it’s not just a phone but also a significant investment.

My Buying Guides on ‘Samsung S21 Ultra Cases’

When I was searching for the perfect case for my Samsung S21 Ultra, I realized there are a lot of factors to consider. Here’s what I found helpful and what guided me through picking the right case.

1. Understanding Your Needs

First, I thought about how I use my phone daily. Do I drop it often? Do I need extra grip? Am I looking for something sleek or rugged? Knowing this helped me narrow down the types of cases to consider.

2. Types of Samsung S21 Ultra Cases

  • Slim Cases: I liked these because they add minimal bulk and keep the phone’s original design visible. Perfect if you want basic scratch protection.
  • Rugged/Heavy-Duty Cases: If you’re like me and tend to be a bit clumsy, these cases offer reinforced corners and shock absorption.
  • Wallet Cases: These combine phone protection with card storage, which is convenient for carrying essentials together.
  • Clear Cases: To showcase the phone’s design while protecting it, clear cases are a great option.
  • Leather Cases: For a premium feel, leather cases add style and good grip.

3. Material Matters

I paid close attention to the material because it affects durability, grip, and appearance:

  • TPU (Thermoplastic Polyurethane): Flexible and shock-absorbent.
  • Polycarbonate: Hard and rigid, often used in combination with TPU.
  • Silicone: Soft and grippy but can attract lint.
  • Leather: Stylish and ages nicely, but needs care.
  • Hybrid: Combines materials to balance protection and aesthetics.

4. Protection Features

Since my phone is a big investment, I looked for cases with:

  • Raised edges to protect the screen and camera.
  • Drop-test certifications for peace of mind.
  • Non-slip textures to reduce accidental drops.

5. Compatibility and Access to Ports

I made sure the case fit the Samsung S21 Ultra perfectly and didn’t block any buttons, charging port, or speakers. Some cases also support wireless charging without removing them.

6. Style and Personalization

Choosing a case that reflects my style was important. There are many colors, patterns, and even customizable options available.

7. Price vs. Quality

I set a budget but didn’t want to compromise on protection. Sometimes spending a little more on a reputable brand saved me money in the long run by avoiding damage.

8. Reviews and Recommendations

Before buying, I read user reviews and watched video demos to see how cases perform in real life. This helped me avoid cases that looked good online but didn’t deliver.

Final Thoughts

Picking the right Samsung S21 Ultra case boils down to balancing protection, style, and convenience. By considering how I use my phone and what features matter most, I found a case that suits my lifestyle perfectly. I hope this guide helps you find the ideal case for your S21 Ultra too!

Author Profile

Avatar
Lance Murtagh
I’m Lance Murtagh, and my journey with food began long before it ever became a profession. I studied at the Culinary Institute of America in New York, driven by a love for flavors and the way a well-cooked meal can bring people together. In the early years, I sharpened my skills in several respected Houston kitchens, where I learned the value of precision, patience, and fresh ingredients. Those kitchens were my training ground, but they also taught me to treat cooking as a conversation not just a recipe.

In 2025, I stepped into something new not away from food, but toward a different kind of exploration. I began writing about personal product experiences, diving deep into first-hand reviews of items we use every day but rarely question. It was a natural transition. Just as I had once broken down a dish to its essential ingredients, I now examine the things we rely on from kitchen tools to wellness products with that same eye for detail and honesty. My blog now covers product analysis, usage reviews, and thoughtful commentary on how these everyday items fit into real lives.