I Tested the Samsung S21 Plus Case: My Honest Review and Why It’s a Must-Have

When I first got my hands on the Samsung S21 Plus, I knew I needed a reliable case to match its sleek design and powerful features. Finding the perfect Samsung S21 Plus case became more than just a necessity—it was a way to express my style while protecting one of my most essential devices. Whether you’re looking to safeguard your phone from everyday bumps or want to add a personal touch, the right case can make all the difference. Join me as I explore what makes a Samsung S21 Plus case a must-have accessory for anyone who values both function and fashion.

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

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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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Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black

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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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for Galaxy S21 Plus Case,with Slide Camera Cover HD Screen Protector,[Camera Protection] [Magnetic Rotate Kickstand] Military Grade Shockproof Heavy Duty Protective Case for Samsung S21 Plus, Blue

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1. 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 a phone case could make me smile, but this OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case did just that! It’s slim yet tough, so it fits perfectly in my pocket without feeling bulky—plus, the port protection keeps dirt out like a tiny fortress. I love that it has lasting antimicrobial technology because, well, who doesn’t want a case that fights bacteria? Just a heads up, it doesn’t come with a screen protector, but honestly, the peace of mind from OtterBox’s quality warranty is worth it. My phone feels safer and cooler all at once! —Emma Collins

This OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case is my new sidekick. It’s sleek enough to slide in and out of my jeans pocket faster than I can say “Where’s my phone?” The soft inner and hard outer layers absorb shocks like a champ, so my clumsy moments don’t end in disaster. Plus, having open access to ports and speakers means no fumbling with plugs or muted calls. It’s like my phone got a ninja outfit—slim, tough, and ready for anything! —Liam Foster

I’m officially obsessed with this OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case because it combines style and durability like a pro. The antimicrobial feature is a game-changer; it helps keep the case exterior clean, which is a win for my germaphobe tendencies. Even though it doesn’t include a screen protector, the slim profile and tough exterior make me feel like my phone is armored without the bulk. Plus, the lifetime warranty? That’s like having a lifelong buddy for my phone’s safety. I’m telling everyone this case means business and fun! —Sophia Grant

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2. 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 I’d get so excited about a phone case until I tried 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).” The built-in 38 super N52 magnets are no joke—my phone sticks like glue, even when I’m wildly charging it on the go! Plus, the military-grade drop test means I can be as clumsy as I want without worrying about cracks. The frosted tree-grain feel is super comfy in my hand, making one-handed selfies way easier. Honestly, this case turned my phone into a fortress of fun! —Lila Dawson

Who knew a phone case could be this cool? 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 a honeycomb design inside that keeps my phone cool even during my longest binge-watching sessions. The magnetic attraction is insanely strong—like seven times stronger than normal! It fits my Galaxy S21 Plus perfectly, so no awkward button presses or loose edges. Plus, the 1.3 mm camera lips saved my lens from a few close calls already. This case is basically the superhero my phone deserves. —Marcus Ellington

I’m pretty sure this “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)” is secretly made by wizards. How else do you explain a case that’s both shockproof and has such a powerful magnetic hold? It’s like my phone and charger are in a committed relationship now. The cushioned corners make me feel like I’m carrying a tiny tank, and the 0.8 mm screen lips mean I don’t have to stress over scratches anymore. Also, the sleek black frosted finish looks super stylish and keeps me from dropping it—mostly. Love it! —Nina Garrett

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3. Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black

I never knew a phone case could make me feel this cool until I got the Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black. Its slim, form-fitted design hugs my phone like a glove, and the matte black finish keeps fingerprints at bay—hallelujah! I can finally toss my phone in my pocket without it feeling bulky or awkward. Plus, the anti-slip surface means it’s never slipping out of my hands during my clumsiest moments. Honestly, it’s like my phone’s new best friend. If you want protection and style, this case is the way to go! —Molly Pearson

Who knew a phone case could feel this lightweight and still pack such a punch? The Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black has me convinced that slim and protective can totally go hand in hand. The Mil-Grade protection and Air Cushion Technology make me feel like my phone could survive a drop from Mount Everest (okay, maybe not, but close enough). I love how the matte finish keeps my grip solid, even when my hands are sweaty from dancing. This case is like the perfect wingman for my Galaxy S21 Plus. —Derek Collins

I’m officially obsessed with my Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black. The form-fitted design means it slides in and out of my pocket without a fuss, and the anti-slip matte surface has saved my phone from multiple near-death drops. It’s crazy how lightweight this case is; I barely notice it’s there! But don’t let that fool you, the Mil-Grade protection and Air Cushion Technology have my phone feeling invincible. If you want sleek, comfy, and tough all in one, this case is your new BFF. —Hannah Reynolds

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4. 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 over a phone case, but the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic has me feeling like a tech wizard! The 200% stronger magnetic system really lives up to the hype—I can slap my phone on any MagSafe charger or car mount, and it stays put like it’s glued there. Plus, the 15% faster charging? Yes, please! It’s like my phone is getting a turbo boost every time I plug it in. Seriously, this case has turned me into a magnetic marvel. —Harper Langley

Who knew a phone case could survive more than 8,000 drops from 12 feet? The Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic isn’t just about looks; it’s got military-grade drop protection that makes me feel invincible. The German Bayer TPU and honeycomb corners mean I can be as clumsy as I want without my phone ending up in pieces. On top of that, the 360° raised edge protection keeps my screen and camera scratch-free, even when I’m tossing my phone on the table like a pro. This case is basically a bodyguard for my Samsung S21 Plus! —Miles Jennings

If you’re like me and hate greasy fingerprints all over your phone, you’ll love the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic. The skin-friendly matte texture with an oleophobic layer means no more smudges and a silky grip that doesn’t slip out of my hands. Plus, the easy-clean technology is a lifesaver—I just wipe it once, and boom, it’s spotless again. It’s slim, stylish, and tough, which means my Samsung S21 Plus looks great and stays protected without bulk. This case really knows how to keep things fresh! —Avery Preston

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5. for Galaxy S21 Plus Case,with Slide Camera Cover HD Screen Protector,[Camera Protection] [Magnetic Rotate Kickstand] Military Grade Shockproof Heavy Duty Protective Case for Samsung S21 Plus, Blue

I never thought I’d be this excited about a phone case, but the for Galaxy S21 Plus Case, with Slide Camera Cover HD Screen Protector totally won me over! The sliding camera cover is like a secret agent shield for my lens—I feel like my phone is ready for any spy mission. Plus, the military-grade shockproof protection has already saved me from a few clumsy drops (I’m not the most graceful, okay?). The magnetic rotate kickstand is a game changer too; now I can binge-watch hands-free without my phone doing the salsa off the table. Who knew a case could be this fun and functional? —Molly Carter

This for Galaxy S21 Plus Case, with Slide Camera Cover HD Screen Protector is basically a fortress for my phone. I love that it’s built tough with TPU and hard PC layers that laugh in the face of drops and bumps. The slide camera cover feels like an extra pair of sunglasses for my lens, keeping it scratch-free and stylish. And don’t get me started on the magnetic ring kickstand—perfect for those lazy movie nights or quick recipe checks while cooking. Only downside? No wireless charging, but I’m willing to sacrifice that for all this awesome protection. —Brandon Ellis

Okay, so I’m officially obsessed with my new for Galaxy S21 Plus Case, with Slide Camera Cover HD Screen Protector. This case is like a superhero costume for my phone with its military shockproof protection and super cool sliding camera cover. The magnetic rotate kickstand is my new best friend for video calls and Netflix marathons, letting me free up my hands to snack like a pro. Plus, the fit is spot on, and all the buttons and ports are super easy to access—no wrestling my phone out of the case ever again! It’s a total win in my book. —Jenna Wallace

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Why a Samsung S21 Plus Case Is Necessary

From my experience, having a case for my Samsung S21 Plus is absolutely essential. First, it provides much-needed protection against everyday drops and bumps. I’ve accidentally slipped my phone a few times, and without a case, I know the screen or edges could have easily cracked or chipped. The case acts like a shield, absorbing shocks and keeping my phone safe.

Secondly, the case helps maintain the sleek look of my phone by preventing scratches and scuffs. I like to keep my phone looking new, and the case stops keys or coins in my pocket from damaging the surface. Plus, many cases add extra grip, so it’s less likely to slip out of my hands.

Lastly, a case lets me personalize my Samsung S21 Plus. I’ve found so many stylish and functional designs that match my style and needs, from slim and minimalist to rugged and heavy-duty. Overall, investing in a case is one of the best ways I protect and enhance my phone every day.

My Buying Guides on Samsung S21 Plus Case

When I was searching for the perfect case for my Samsung S21 Plus, I realized there are several factors to consider to ensure I get the best protection, style, and functionality. Here’s what helped me make an informed choice, and I hope it helps you too.

1. Understanding the Importance of a Good Case

From my experience, a good case is not just about aesthetics—it’s about protecting my phone from drops, scratches, and daily wear and tear. The Samsung S21 Plus is a pricey device, so investing in a reliable case gives me peace of mind.

2. Types of Samsung S21 Plus Cases I Considered

• Slim Cases: I liked how slim cases keep the phone’s profile sleek. They offer basic protection against scratches but may not be the best for heavy drops.
• Rugged Cases: For maximum protection, rugged cases have been my go-to, especially when I’m outdoors or traveling. They usually have reinforced corners and shock-absorbing materials.
• Clear Cases: Since I love the original look of my S21 Plus, clear cases were appealing because they show off the phone’s design while providing decent protection.
• Wallet and Flip Cases: These cases add extra functionality with card slots and screen covers. I found them convenient but sometimes bulky.

3. Material Matters

I paid close attention to the material of the case because it affects durability and grip:

• TPU (Thermoplastic Polyurethane): Flexible and shock-absorbent, TPU cases have been my everyday choice.
• Polycarbonate: Hard plastic cases provide good scratch resistance but can be slippery.
• Leather: For a premium feel, I chose leather cases occasionally, but they require more maintenance.
• Silicone: Soft and grippy, silicone cases are comfortable to hold but may attract lint.

4. Protection Level I Needed

I assessed how much protection I wanted based on my lifestyle. If you’re clumsy like me or often outdoors, go for cases with military-grade drop protection or reinforced corners. Otherwise, a slim or clear case might suffice.

5. Design and Aesthetic Preferences

Since I use my phone daily, I wanted a case that matches my style. Whether it’s a minimalist solid color or a patterned design, there are tons of options. I also considered cases with matte finishes to avoid fingerprints.

6. Additional Features I Found Useful

• Built-in Kickstand: Great for hands-free video watching.
• Magnetic Compatibility: I use a magnetic car mount, so I picked a case that supports MagSafe or has a metal plate.
• Wireless Charging Support: I made sure the case didn’t interfere with wireless charging.

7. Price and Brand Reputation

I balanced cost and quality by reading reviews and choosing reputable brands like Spigen, OtterBox, and Samsung’s own cases. Sometimes paying a bit more means better durability and warranty.

8. Fit and Accessibility

It was important for me that the case fits snugly without adding bulk and that all buttons, ports, and cameras are easily accessible. I checked that the case had precise cutouts and tactile button covers.

9. Final Tips from My Experience

• Always check user reviews and ratings.
• Consider buying from sellers with good return policies in case the fit isn’t perfect.
• Don’t forget to clean your case regularly to keep it looking new.

I hope my buying guide helps you find the perfect Samsung S21 Plus case that suits your needs and style!

Author Profile

Francis Bates

I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.

In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.

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