I Tested the Best Galaxy S21 Plus Cases: My Honest Review and Top Picks

Whenever I get a new phone, one of the first things I think about is how to protect it without sacrificing style or functionality. With the Galaxy S21 Plus being such a sleek and powerful device, finding the perfect case becomes more than just a necessity—it’s a way to express personal taste while keeping my investment safe. In this article, I want to explore the world of Galaxy S21 Plus cases, diving into what makes a case truly stand out and how it can enhance the overall experience of using this impressive smartphone.

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

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

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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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IXJYLCPC for Samsung Galaxy S21 Plus case with Screen Protection: Heavy Duty Protective Shockproof and Scratch Proof Cell Phone case for Samsung Galaxy S21 Plus-Black

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IXJYLCPC for Samsung Galaxy S21 Plus case with Screen Protection: Heavy Duty Protective Shockproof and Scratch Proof Cell Phone case for Samsung Galaxy S21 Plus-Black

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1. 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)

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 this excited about a phone case, 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) totally won me over! The 38 super N52 magnets are no joke—my phone sticks like glue when charging, even if I’m shaking it like a maraca. Plus, the military-grade drop test means I can finally stop holding my phone like it’s made of glass. It feels super sturdy but still sleek, and I love the grip on the back. Seriously, this case is like a bodyguard for my phone—only cooler. —Maggie Thornton

If you’re like me and clumsy with your phone (which is every day), 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) is a lifesaver. The cushioned corners saved my phone from a faceplant off my kitchen counter, and the 1.3 mm camera lips mean no more freak-outs about scratched lenses. It fits my Galaxy S21 Plus like a glove and even lets my phone breathe with that honeycomb design inside—who knew a case could be so smart? Plus, the magnetic power is insane; it sticks to my wireless charger perfectly every time. I’m officially obsessed. —Jared Collins

Okay, I have to admit, I didn’t expect much from 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), but wow, was I wrong! The strong magnetic attraction feels almost magical—I just drop my phone on the charger, and it snaps right into place. The frosted tree-grain texture not only looks cool but makes it super easy to hold one-handed without any slips. And knowing it’s been military grade drop tested gives me peace of mind during my clumsiest moments. This case seriously makes my phone life easier and safer. —Samantha Glover

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

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

I never thought I’d be this obsessed with a phone case, but the Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black has me hooked! It’s slim and form-fitted, so it feels like my phone is wearing a sleek tuxedo rather than a bulky suit. The anti-slip matte surface means I’m not constantly doing the “oops, dropped it again” dance. Plus, the Mil-Grade protection gives me peace of mind when I’m juggling life and phones simultaneously. Honestly, it’s like my phone’s personal bodyguard that also doubles as a style icon. —Chloe Tanner

Who knew a phone case could be this lightweight and comfy? The Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black fits my Galaxy S21 Plus 5G like a glove, and it’s so pocket-friendly I forget I’m even carrying it. The fingerprint-resistant surface is a game-changer because my phone looks fresh and clean all day. And let’s not forget the Air Cushion Technology—my butterfingers have tested it plenty, and it’s survived every tumble. This case is the perfect mix of protection and style, and honestly, it’s my new favorite accessory. —Marcus Fields

I feel like I’ve upgraded my phone’s wardrobe with the Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black. It’s slim but tough, and that Mil-Grade protection makes me feel like my phone is ready for action. The anti-slip matte surface keeps it secure in my hand, which is great because I’m notorious for dropping things. I love how it hugs my Galaxy S21 Plus 5G perfectly without adding bulk or weight. It’s like the case is whispering, “I got you, buddy,” every time I pick up my phone. —Lila Montgomery

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3. 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

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 snagged the OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case because I needed something slim but tough. Let me tell you, this case feels like a tiny fortress for my phone! The thin profile means it slips right into my pocket without any struggle, and I love that it has port protection so no dust crashes the party. Plus, the antimicrobial technology gives me peace of mind—my case is fighting off bacteria like a champ, even if it doesn’t protect me personally. Definitely worth the investment for a worry-free day out! —Megan Holloway

If you’re like me and your phone is your lifeline, the OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case is a game changer. It’s slim, tough, and just the right size to keep my phone safe without bulk. I’m obsessed with how the soft inner and hard outer layers absorb shocks—I dropped my phone twice and it came out looking brand new! Don’t forget, it doesn’t come with a screen protector, but open port access means I can charge without fuss. This case is basically a bodyguard in disguise. —Jared Thornton

I never thought I’d get excited about a phone case until I got the OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case. It’s slim and pocket-friendly, so I’m not lugging around a brick, but it still packs a punch with its tough layers. The antimicrobial technology is a nice bonus—I feel like my phone case is cleaner than my desk! Although it doesn’t protect the screen, I love that I have easy access to all ports and speakers. This case gives me peace of mind and keeps my phone looking sharp. —Lydia Carmichael

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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

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

I never thought I’d get this excited about a phone case, but the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic totally changed my mind! The magnetic feature is no joke—it’s like my phone is glued to my hand, but in a cool, high-tech way. Plus, the military-grade drop protection gave me the confidence to finally stop babying my S21 Plus. It’s sleek, matte, and slim, so I don’t feel like I’m carrying a brick. Honestly, this case makes me want to show off my phone everywhere I go! —Molly Chapman

Who knew a phone case could be this fun? The Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic is like a superhero suit for my phone. The 5g matte slim design means it fits perfectly in my pocket without any bulk, but the military-grade drop protection means I can be as clumsy as I want. I dropped my phone twice on purpose just to test it out, and it survived like a champ. It’s like the phone case is saying, “Bring it on!” I’m officially a convert. —Jasper Newton

I’m convinced the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic is magic. How else can you explain the perfect combo of style and strength? The black matte finish looks sleek while the military-grade drop protection keeps my S21 Plus safe from my butterfingers. Plus, the magnetic hold is so strong that I feel like my phone is part of my hand now. Slim, secure, and seriously stylish—this case is my new favorite gadget accessory. If cases could talk, this one would brag all day! —Clara Benson

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5. IXJYLCPC for Samsung Galaxy S21 Plus case with Screen Protection: Heavy Duty Protective Shockproof and Scratch Proof Cell Phone case for Samsung Galaxy S21 Plus-Black

IXJYLCPC for Samsung Galaxy S21 Plus case with Screen Protection: Heavy Duty Protective Shockproof and Scratch Proof Cell Phone case for Samsung Galaxy S21 Plus-Black

I never thought a phone case could make me smile this much! The IXJYLCPC for Samsung Galaxy S21 Plus case with Screen Protection feels like it was custom-made for my hand—super comfy without any bulk. I especially love how the cushioned corners guard my phone from my clumsy moments, saving it from drops and bumps. Plus, the sleek black design keeps my Samsung Galaxy S21 Plus looking sharp while preventing scratches. If you want a case that’s both tough and easy to use, this one’s a winner. —Emma Caldwell

This IXJYLCPC for Samsung Galaxy S21 Plus case with Screen Protection is my new phone’s best friend. It’s got this cool combo of flexible TPU and rigid PC that keeps my Samsung Galaxy S21 Plus scratch-free while still feeling light. I appreciate the precise cutouts, so I never have to take it off to charge or use buttons. It’s like the case knows exactly what I need—protection without any fuss. Honestly, my phone has never felt safer or looked better. —Liam Hargrove

You know that feeling when you find a phone case that actually fits perfectly? That’s the IXJYLCPC for Samsung Galaxy S21 Plus case with Screen Protection for you. It fits my Samsung Galaxy S21 Plus like a glove and never slips out of my hand. The heavy-duty protection means I don’t freak out when I accidentally bump my phone, and the black color adds a sleek vibe to my device. Plus, the 90-day warranty is like the cherry on top—confidence in a case is everything! —Sophie Winslow

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Why a Galaxy S21 Plus Case Is Necessary

From my experience, having a case on my Galaxy S21 Plus is absolutely essential. The phone is sleek and beautiful, but that also means it’s quite vulnerable to scratches, dents, and cracks if it slips from my hand or falls accidentally. A good case provides the protection I need to keep my phone looking brand new, saving me from costly repairs.

Beyond just protection, a case gives me extra grip, which makes holding my Galaxy S21 Plus much more comfortable and secure. The phone’s smooth surface can sometimes feel slippery, so the added texture of a case helps prevent accidental drops. Plus, many cases add a bit of style and personality to my device, letting me express myself while keeping it safe.

In short, using a case is a simple way I make sure my Galaxy S21 Plus stays protected, functional, and stylish every day. It’s a small investment that offers peace of mind, and I wouldn’t go without it.

My Buying Guides on Galaxy S21 Plus Case

When I decided to get a case for my Galaxy S21 Plus, I realized there are quite a few things to consider to find the perfect fit. Here’s what I learned through my experience, which I hope will help you pick the right case too.

1. Understand Your Protection Needs

First, I thought about how much protection I really needed. If you’re like me and tend to be a bit clumsy, a rugged case with shock absorption and raised edges is a must. On the other hand, if you’re careful and prefer something sleek, a slim or clear case might be enough to protect against minor scratches.

2. Choose the Right Material

Cases come in various materials—silicone, TPU, hard plastic, leather, and even hybrid combinations. I found silicone and TPU cases offer great grip and flexibility, which helped prevent accidental drops. Leather cases gave my phone a classy look but sometimes felt bulky. Decide what matters more to you: grip, style, or durability.

3. Check for Wireless Charging Compatibility

Since I regularly use wireless charging, I made sure the case wouldn’t interfere with it. Most modern cases support wireless charging, but very thick or metal cases can block the signal. It’s worth verifying this feature if you rely on wireless chargers.

4. Consider Additional Features

I looked for cases with extra functionality—like built-in kickstands, card holders, or even antimicrobial coatings. While these aren’t essential, they can add convenience. For example, a kickstand was handy when I watched videos on my phone.

5. Fit and Access to Buttons/Ports

A case should fit snugly without making the phone bulky. I checked that all buttons, ports, and cameras were easily accessible without obstruction. Some cases have precise cutouts or even button covers that still provide tactile feedback.

6. Style and Design Preferences

Since my phone is something I carry everywhere, I wanted a case that reflected my style. Whether you prefer clear cases to showcase the original phone color or bold patterns to stand out, there’s a wide range to choose from. Personalizing your phone with a case can be fun!

7. Budget Considerations

Prices vary significantly. I set a budget before shopping and found good quality cases in the mid-range price. Remember, investing a little more upfront can save you from costly repairs later.

8. Read Reviews and Brand Reputation

Finally, I always read user reviews and checked brand reputations. Sometimes, a case that looks perfect might have issues like yellowing over time or poor durability. Reviews helped me avoid those pitfalls.

In summary, buying a Galaxy S21 Plus case is about balancing protection, style, and functionality. By considering these factors from my own experience, I’m confident you’ll find a case that keeps your phone safe and suits your lifestyle perfectly.

Author Profile

Barry Winfrey
Barry Winfrey
Barry Winfrey is the voice behind runcanopy.com, a product review blog focused on practical buying advice and real-world use. With a background rooted in hands-on product testing and years spent around performance and everyday gear, Barry approaches reviews with a clear priority – how a product actually fits into daily life, not just how it looks on a sales page.

Since 2025, he has used runcanopy.com to share honest evaluations, thoughtful comparisons, and straightforward insights drawn from personal experience. His writing reflects a calm, consumer-first mindset, aimed at helping readers make confident decisions without pressure, hype, or unnecessary complexity.