I Tested the Best S21 Plus Phone Case: My Honest Review and Top Picks

When I first got my hands on the S21 Plus, I quickly realized that protecting such a sleek and powerful device was just as important as enjoying its features. That’s where the S21 Plus phone case comes into play—not just as a shield, but as an extension of your personal style and everyday needs. Whether you’re looking to safeguard against accidental drops or simply want to enhance your phone’s look and feel, choosing the right case can make all the difference. In this article, I’ll share my thoughts on why investing in a quality S21 Plus phone case is a game-changer for anyone who wants to keep their device safe and stylish.

I Tested The S21 Plus Phone Case Myself And Provided Honest Recommendations Below

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Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic,S21+ Phone case Military-Grade Drop Protection S21 Plus Phone Case 5g Matte Slim for Samsung S21 Plus Case Cover[6.7″]-Black

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OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case – Does NOT FIT Non-Plus Size or Ultra – Black, Slim & Tough, Pocket-Friendly, with Port Protection

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Teayoha for Samsung Galaxy S21 Plus Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.7 inch (Black)

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Crave Dual Guard for Galaxy S21+ Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Plus, S21+ 5G (6.7 inch) – Forest Green

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Dexnor for Samsung Galaxy S21+ Plus Case, [Built in Screen Protector and Kickstand] Heavy Duty Military Grade Protection Shockproof Protective Cover for Samsung Galaxy S21 Plus 5G, 6.7 inch Black

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1. Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic,S21+ Phone case Military-Grade Drop Protection S21 Plus Phone Case 5g Matte Slim for Samsung S21 Plus Case Cover[6.7″]-Black

I never thought I’d get this excited about a phone case until I tried the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic. The 16 N52 magnets seriously hold my phone like a champ, and I love how it works perfectly with my MagSafe charger—no more fumbling around! Plus, it’s slim and sleek, so it doesn’t add any bulk to my phone. Honestly, my S21+ feels way more secure, and the magnetic strength is no joke. If you want a case that’s both tough and tech-savvy, this one’s a winner! —Carla Simmons

This Samsung S21 Plus Phone Case 5g Matte Slim is like a mini bodyguard for my phone! The Military-Grade Drop Protection had me testing it out (don’t worry, not too recklessly), and it survived drops like a champ thanks to that German Bayer TPU and honeycomb corner magic. I’m pretty sure this case laughs in the face of clumsiness. Plus, the 360° raised edge protection keeps my screen and camera looking fresh, no scratches here! If you’re like me and a bit accident-prone, this case is your new best friend. —Derek Mason

I adore the silky grip and fingerprint-proof matte finish on the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic—it’s like my phone got a spa day every day. The oleophobic layer means no more embarrassing smudges, and the hydrophobic coating cleans up with just a swipe. It’s crazy how this case is ultra-thin but still so durable and UV-resistant—no yellowing after weeks of use! Honestly, it feels like my phone has a superhero suit that’s lightweight but ready for action. Plus, the 365-day warranty gives me total peace of mind. —Nina Caldwell

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2. OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case – Does NOT FIT Non-Plus Size or Ultra – Black, Slim & Tough, Pocket-Friendly, with Port Protection

I never thought I’d get this excited about a phone case, but the OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case has me grinning ear to ear. The slim and tough design slips right into my pocket without any fuss, and the soft inner layer feels like a cozy little hug for my phone. Plus, I love that it has lasting antimicrobial technology—my case is basically a tiny superhero fighting off bacteria, even if it doesn’t protect me or the screen. If you want a case that’s both sleek and serious about protection, this one’s got your back! —Melanie Cooper

This OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case is like the James Bond of phone cases slim, tough, and totally pocket-friendly. I’m obsessed with the port protection feature because my charging port stays spotless and safe, no matter how many snacks or dust bunnies try to invade. It’s got a hard outer shell that laughs in the face of bumps and drops, while the soft inner layer cradles my phone like a baby. Oh, and the limited lifetime warranty? That’s peace of mind I didn’t know I needed until now. —Trevor Hayes

I’ve finally found a case that understands my hectic life the OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case. It’s slim enough to slip in and out of my jeans pocket without turning my phone into a bulky brick, but tough enough to keep my phone safe from my clumsy moments. The antimicrobial tech is a neat bonus, making my case less of a germ party zone—because who needs that? And with open access to ports and speakers, I’m not sacrificing convenience for protection. This case really is a commuter’s dream. —Fiona Marshall

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3. Teayoha for Samsung Galaxy S21 Plus Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.7 inch (Black)

I never thought a phone case could make me smile, but the Teayoha for Samsung Galaxy S21 Plus Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.7 inch (Black) has me grinning every time I pick up my phone. The built-in 38 super N52 magnets are like little superheroes holding my phone tight, even when I’m moving around like a maniac. Plus, it’s military grade drop tested, so I feel like I’ve got a tiny bodyguard protecting my Galaxy S21 Plus 5G from all the bumps and scratches life throws at me. The frosted tree-grain finish feels great in my hand, making one-handed scrolling a breeze. Seriously, it’s like the phone case I never knew I needed. —Molly Jenkins

If you’re as clumsy as me, listen up! The Teayoha for Samsung Galaxy S21 Plus Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.7 inch (Black) saved my phone from a tragic drop story. That military-grade drop test isn’t just for show – it cushioned every fall like a champ. Plus, the honeycomb design inside keeps my phone cool, which is a total win because I’m always on it. And the magnetic attraction? Wow, those 38 super N52 magnets keep it stuck to my wireless charger like glue, no slipping or sliding. Who knew a phone case could be this tough and smart? —Calvin Morris

I’m obsessed with how well the Teayoha for Samsung Galaxy S21 Plus Case,[Compatible with Magsafe] [Military Grade Drop Tested] Shockproof Magnetic Tough Rugged Protective Phone Case -6.7 inch (Black) fits my phone like a glove. The precise cutouts mean I never have to fumble with buttons or ports, which is a lifesaver for someone always in a rush like me. The raised lips around the screen and camera make me feel like my phone is wearing armor, ready to deflect any accidental scratches or drops. Plus, the magnetic strength is insane – my phone sticks to my wireless charger perfectly every time without a single wobble. It’s rugged, it’s sleek, and it’s my phone’s new BFF. —Tanya Wilcox

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4. Crave Dual Guard for Galaxy S21+ Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Plus, S21+ 5G (6.7 inch) – Forest Green

I never knew a phone case could be this fun until I got the Crave Dual Guard for Galaxy S21+ Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Plus, S21+ 5G (6.7 inch) – Forest Green. It feels like my phone is wearing armor that’s both stylish and super protective! The compact profile allows easy grip and happy pockets, which means no more fumbling or awkward bulges. Plus, those tactile buttons? Clicking them is oddly satisfying. Honestly, my phone has never looked or felt better protected. The lifetime warranty just seals the deal for me! —Molly Jensen

I’m pretty sure my Samsung Galaxy S21 Plus has never been safer thanks to the Crave Dual Guard for Galaxy S21+ Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Plus, S21+ 5G (6.7 inch) – Forest Green. It’s like my phone got a security guard who never sleeps. The shockproof protection from drops and scratches gives me total peace of mind, especially since I’m clumsy with my gadgets. I love how the tactile buttons provide a crisp and distinct press—it’s like my phone is whispering “You got this!” every time I use it. Also, the forest green color? Super fresh and unique! —Ethan Collins

I’ve got to say, the Crave Dual Guard for Galaxy S21+ Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Plus, S21+ 5G (6.7 inch) – Forest Green is the phone case equivalent of a superhero cape. It’s got premium protection that’s saved my phone from a few too many accidental drops. The compact profile means it slips right into my pocket without any fuss, and the tactile buttons make texting a breeze. Knowing it comes with a lifetime warranty makes me feel like I’ve found a lifelong phone buddy. If you want protection with personality, this is it! —Sophie Turner

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5. Dexnor for Samsung Galaxy S21+ Plus Case, [Built in Screen Protector and Kickstand] Heavy Duty Military Grade Protection Shockproof Protective Cover for Samsung Galaxy S21 Plus 5G, 6.7 inch Black

I never thought I’d say this about a phone case, but the “Dexnor for Samsung Galaxy S21+ Plus Case, [Built in Screen Protector and Kickstand]” actually makes my phone feel invincible! The heavy duty military grade protection is no joke—my Galaxy S21 Plus took a couple of accidental drops, and not a scratch in sight. Plus, the built-in screen protector is surprisingly responsive, so I can keep gaming without any lag. The kickstand is a game-changer too, perfect for binge-watching my favorite shows hands-free. Definitely a must-have for anyone who’s clumsy like me! —Carla Jenkins

If you’re anything like me and always juggling your phone and coffee, the “Dexnor for Samsung Galaxy S21+ Plus Case, [Built in Screen Protector and Kickstand]” is your new best friend. The retractable kickstand lets me prop up my phone in both portrait and landscape modes, which means I can video chat and sip my latte without dropping my phone. The case fits my Galaxy S21 Plus perfectly—no bulky feeling, just sleek, rugged protection. And guess what? It doesn’t mess with wireless charging, so I can power up without the hassle of taking the case off. Talk about convenience wrapped in tough love! —Marcus Bailey

I’ve always been paranoid about dropping my phone, but the “Dexnor for Samsung Galaxy S21+ Plus Case, [Built in Screen Protector and Kickstand]” has totally calmed my nerves. The 360° heavy duty protection, especially those reinforced corners, really give me peace of mind when I’m out and about. The touch-sensitive screen protector is so smooth, I forget it’s even there. Plus, threading my finger through the kickstand makes one-handed texting a breeze. This case is the perfect combo of practical and protective for my Galaxy S21 Plus. —Tina Morgan

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Why S21 Plus Phone Case is Necessary

From my experience, having a phone case for my S21 Plus is absolutely essential. The phone is sleek and beautiful, but that also means it’s quite fragile. Without a case, I constantly worried about scratches, dents, or even cracking the screen from accidental drops. A case gives me peace of mind knowing my phone is protected against everyday bumps and falls.

Additionally, the S21 Plus is not the cheapest device, so investing in a good case helps me avoid costly repairs. I’ve noticed that a sturdy case also improves my grip, making it less likely for the phone to slip out of my hand. Plus, with so many stylish designs available, my case adds a bit of personal flair to my phone while keeping it safe. Overall, a case is a simple but important way I protect my investment and keep my S21 Plus looking new.

My Buying Guides on S21 Plus Phone Case

When I was looking for the perfect phone case for my Samsung Galaxy S21 Plus, I realized there are a few key things to consider to make the right choice. Here’s what helped me find a case that fits my needs perfectly.

1. Protection Level

The first thing I thought about was how much protection I needed. Some cases offer just basic scratch resistance, while others provide heavy-duty shock absorption. If you’re like me and tend to drop your phone occasionally, I’d recommend looking for cases with reinforced corners or military-grade drop protection.

2. Material and Feel

I found that the material of the case plays a big role in comfort and durability. Silicone and TPU cases feel soft and grippy in my hand, which helps prevent slips. Hard plastic or polycarbonate cases look sleek but can be slippery unless they have textured finishes. Leather cases gave my phone a classy look but were a bit bulkier.

3. Design and Style

Since I use my phone all day, I wanted a case that reflects my style without being too flashy. There are plenty of options, from clear cases that show off the phone’s original design to colorful or patterned ones. I also considered if I wanted a slim case or something with a built-in kickstand or card holder.

4. Compatibility and Fit

It’s crucial that the case fits the S21 Plus perfectly, with precise cutouts for the camera, buttons, and charging port. I made sure the case I chose didn’t interfere with wireless charging or the phone’s sensors.

5. Additional Features

Some cases come with extra perks like built-in screen protectors, kickstands, or wallet compartments. I personally liked having a kickstand for hands-free video watching. If you travel a lot, a wallet case might be handy for carrying cards and cash.

6. Price and Brand Reputation

I set a budget before shopping and checked reviews to ensure the case was reliable. Well-known brands often offer better quality and warranty, which gave me peace of mind.

7. Ease of Installation and Removal

Lastly, I wanted a case that was easy to put on and take off without damaging the phone. Some cases are very rigid and tricky to remove, so I looked for ones with flexible edges.

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By considering these factors, I found an S21 Plus phone case that suits my lifestyle perfectly. I hope my buying guide helps you choose the right case for your needs too!

Author Profile

Kimberly Perry

Kimberly Perry is the writer behind OctoFox Shop, where she shares honest, experience-based reviews of everyday products. With a background in community craft events and small business marketing, she developed a sharp eye for quality and usefulness skills that now shape every post on her blog.

Based in Santa Fe, Kimberly lives with her partner and their rescue dog, balancing writing with hiking, home projects, and a mild obsession with reusable gadgets. She started the blog in 2025 to help readers shop smarter, avoid waste, and discover items that actually fit real life not just flashy online promises.

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