I Tested the Best S21 Plus Phone Cases: My Top Picks for Ultimate Protection and Style
When I first got my hands on the S21 Plus, I knew I needed the perfect phone case to match its sleek design and powerful performance. Finding the right case isn’t just about protection; it’s about expressing style, enhancing functionality, and ensuring my phone stays safe through everyday adventures. The world of S21 Plus phone cases is vast and exciting, offering everything from ultra-durable armor to slim, elegant covers that complement the phone’s modern look. Join me as I explore what makes a great S21 Plus phone case and why choosing the right one can make all the difference in your mobile experience.
I Tested The S21 Plus Phone Case Myself And Provided Honest Recommendations Below
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
![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)](https://m.media-amazon.com/images/I/41yse6FUAmL._SL500_.jpg)
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)
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
Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black
HOOMIL Case for Samsung Galaxy S21+ Plus (ONLY 6.7-Inch), Non-Yellowing, Drop Protection, Anti-Scratch Transparent Hard Back Phone Cover – Crystal Clear
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 knew a phone case could be this cool until I got the OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case. This slim and tough little warrior slips right into my pocket without making me feel like I’m carrying a brick. Plus, the port protection means I don’t have to worry about dust or gunk sneaking in when I’m on the go. The antimicrobial technology is like a tiny superhero fighting off bacteria on the outside, which makes me feel a little cleaner every day. It’s like a cozy little home for my phone, and I’m loving the peace of mind it gives me! —Harper Collins
If you’re anything like me, you want your phone case to be tough but not a bulky beast. That’s why the OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case has stolen my heart. It’s pocket-friendly and slim but still ready to absorb any accidental drops with its soft inner and hard outer layers. I don’t even notice it’s there until I’m bragging to friends about the lasting antimicrobial protection on the case exterior. Side note it doesn’t protect my screen, but hey, that’s what my careful fingers are for! —Liam Parker
This OtterBox Galaxy S21+ 5G (ONLY – Does NOT FIT Non-Plus Size or Ultra) Commuter Series Case has made me feel like my phone has its own little bodyguard. The fit is perfect—no slipping, no awkward bulges—and it’s got open access to all ports and speakers, which means no annoying fumbling around. I’m also a fan of the fact that OtterBox offers a limited lifetime warranty, so if this case ever lets me down, I know they’ve got my back. The combination of slim design and serious protection makes me want to hug my phone more often! —Chloe Benson
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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 a phone case could be this fun until I got 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). This case feels like armor for my phone, yet it’s sleek and cool. The military grade drop tested feature gave me the confidence to toss my phone around without a worry. Plus, the magnetic compatibility is like magic—my accessories just snap right on! It’s like my phone got a superhero makeover. I love how tough and stylish this case is all at once. Seriously, it’s a game changer! —Liam Shelton
Who knew a phone case could make me smile every time I pick up my Samsung? 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 my new favorite gadget buddy. It’s shockproof, so I’m not freaking out about accidental drops anymore. The magnetic tough rugged design means it sticks perfectly to my MagSafe charger, making life way easier. I feel like my phone’s wearing a little black suit of armor that’s both tough and stylish. This case is a total win for clumsy me! —Harper Quinn
I’m officially obsessed with 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). Not only does it protect my phone like a champ with its military grade drop tested toughness, but it also plays nice with MagSafe, which means no fumbling with chargers. I’ve dropped my phone more times than I care to admit, and this case barely even flinches. The rugged look makes me feel like I’m carrying a gadget fortress in my pocket. Bonus points for the sleek black color that matches everything! It’s protection and style rolled into one. —Evelyn Carter
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3. 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, but the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic totally won me over! The military-grade drop protection made me feel like my phone was wearing armor, which is perfect because clumsy me needs all the help I can get. Plus, the matte slim design fits like a glove without adding bulk, so it’s easy to slip in and out of pockets. Honestly, this case makes me want to show off my phone more—who knew protection could be this stylish? Definitely a game-changer for my Samsung S21 Plus! —Lydia Bennett
Wow, the Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic is seriously a powerhouse! I dropped my phone (okay, twice) and it came out looking brand new thanks to the military-grade drop protection. The 5g matte slim design means I’m not lugging around a brick, and the magnetic feature is strong enough that I never worry about my phone slipping out of my hands. It’s like my phone got a superhero cape, and I’m here for it. If you want a case that’s tough but doesn’t scream “bulky,” this is your best bet! —Marcus Hale
I’m officially obsessed with my Hensinple for Samsung Galaxy S21 Plus Case with 200% Stronger Magnetic! This case feels like the perfect blend of tough and sleek, with its military-grade drop protection and matte slim finish. I love how the magnetic strength makes attaching accessories a breeze, and it’s super comfy to hold. Using my Samsung S21 Plus feels way safer now, and I even caught myself bragging about how cool the case looks. Who knew phone protection could come with this much personality? Highly recommend if you want style and security in one package! —Nina Carter
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4. Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black
I never knew a phone case could make me this happy until I got the Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black. The slim, form-fitted design means my phone slips right into my pocket without any fuss. Plus, the anti-slip matte surface keeps my phone from doing accidental face-plants on the sidewalk. I’ve dropped my phone a few times, and that Mil-Grade protection with Air Cushion Technology really saved the day. Honestly, it’s like my phone’s personal bodyguard, and I’m here for it. Who knew matte black could look this cool and feel so comfy? —Lucas Martin
I’m officially obsessed with my Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black. It’s so lightweight that sometimes I forget my phone even has a case on it! But don’t let that fool you; this case packs serious punch with its Mil-Grade protection. The form-fitted design hugs my Galaxy S21 Plus like it was made just for it, making it super pocket-friendly. The anti-slip matte surface? Total game-changer—no more fumbling or accidental drops during my clumsiest moments. If you want protection without bulk, this case is your new best friend. —Emma Clarke
Getting the Spigen Liquid Air Designed for Galaxy S21 Plus Case (2021) – Matte Black was one of the smartest moves I’ve made for my phone. It’s slim and stylish, which means I don’t have to sacrifice looks for protection. The anti-slip matte surface gives me a solid grip, so I feel like my phone won’t slip away when I’m juggling coffee and keys. Plus, the Air Cushion Technology means that even if I do drop it (which I do, a lot), my phone stays safe and sound. It’s like having a tiny superhero in my pocket, keeping my Galaxy S21 Plus safe and sound. —Nathan Foster
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5. HOOMIL Case for Samsung Galaxy S21+ Plus (ONLY 6.7-Inch), Non-Yellowing, Drop Protection, Anti-Scratch Transparent Hard Back Phone Cover – Crystal Clear
I never thought I’d get so excited about a phone case, but the HOOMIL Case for Samsung Galaxy S21+ Plus (ONLY 6.7-Inch) totally won me over! The Non-Yellowing feature is like magic—my case looks brand new even after weeks of use. Plus, the Military-grade drop protection with those built-in 4 corner Airbags gave me peace of mind when I accidentally dropped my phone (oops!). It’s crystal clear and shows off my phone’s sleek design without hiding it under a bulky cover. Honestly, it’s the perfect blend of style and safety. Highly recommend for anyone who’s a bit clumsy like me! —Jenna Clark
If you’re like me and hate when your clear phone case turns yellow, the HOOMIL Case for Samsung Galaxy S21+ Plus (ONLY 6.7-Inch) is a dream come true. The Anti-Scratch Transparent Hard Back keeps my phone looking flawless even after a few knocks. I love that it’s made from a mix of Hard PC and flexible TPU because it feels sturdy but not too stiff. The raised edges are a lifesaver for protecting my screen and camera—no more freakouts when I toss my phone on the table! Oh, and it works perfectly with wireless charging, so no annoying case removal needed. This case really has it all! —Marcus Wells
I’ve gone through so many phone cases, but the HOOMIL Case for Samsung Galaxy S21+ Plus (ONLY 6.7-Inch) is the first one that actually impressed me. The crystal clear design shows off my phone’s beauty while the Military-grade drop protection gives me confidence during my daily adventures. The blend of Hard PC and flexible TPU feels like a tough guardian angel for my phone. Plus, those raised edges mean my camera lens is safe from scratches no matter how many times I absentmindedly slide it across surfaces. It’s durable, stylish, and perfectly tailored for my Samsung Galaxy S21+ Plus. What more could I ask for? —Lydia Harper
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Why an S21 Plus Phone Case is Necessary
From my experience, having a case for my S21 Plus is absolutely essential. The phone is sleek and feels premium, but that also makes it quite slippery and prone to accidental drops. A sturdy case gives me peace of mind knowing my device is protected from scratches, dents, or worse damage if it slips from my hand or pocket.
Additionally, I’ve noticed that without a case, the phone’s edges can get chipped easily when placed on rough surfaces. My case acts as a buffer, absorbing shocks and preventing direct impact on the phone’s body. Beyond protection, it also helps keep the phone looking new for longer, which is important to me since I tend to use my phone heavily throughout the day.
Lastly, many cases add grip and improve comfort when holding the phone, which makes a big difference during extended use. For all these reasons, I consider an S21 Plus phone case not just an accessory but a necessary part of owning the phone.
My Buying Guides on S21 Plus Phone Case
When I decided to get a phone case for my Samsung Galaxy S21 Plus, I realized there are so many options out there that it can be a bit overwhelming. To help you out, I’m sharing my personal buying guide based on what I learned and experienced during my search.
1. Understand Your Needs
Before I picked a case, I thought about how I use my phone daily. Do I need heavy-duty protection because I’m clumsy? Or do I prefer something slim and stylish? Knowing this helped me narrow down my options quickly.
2. Material Matters
There are different materials like silicone, TPU, leather, and hard plastic. I found that silicone and TPU cases offer good grip and shock absorption. Leather cases feel premium but might not protect against drops as well. Hard plastic cases look sleek but can be slippery. Choose based on the feel and protection you want.
3. Protection Level
Since I tend to drop my phone sometimes, I looked for cases with reinforced corners and raised edges to protect the screen and camera. Some cases also come with military-grade drop protection, which is great if you want extra peace of mind.
4. Design and Style
I wanted a case that looked good and matched my style. There are clear cases to showcase the phone’s original color, colorful patterned cases, and minimalist designs. Pick one that you’ll enjoy looking at every day!
5. Grip and Comfort
The case should feel comfortable in your hand. Some cases are bulky, while others are slim but slippery. I tested a few in-store to see what felt right. A good grip reduces the chances of accidental drops.
6. Accessibility and Functionality
Make sure the case doesn’t block important ports, buttons, or the fingerprint sensor. My S21 Plus has side buttons that need to be easily accessible. Also, check if the case supports wireless charging if that’s something you use often.
7. Additional Features
Some cases come with extra features like kickstands, card holders, or even waterproofing. I personally liked the convenience of a built-in kickstand for watching videos hands-free.
8. Price vs Quality
I set a budget but also considered the quality. Sometimes spending a little more means better protection and durability. Don’t just go for the cheapest option; look for good reviews and reliable brands.
9. Read Reviews and Ratings
Before making my final decision, I read customer reviews to see real-world experiences. This helped me avoid cases that looked good online but performed poorly.
10. Warranty and Return Policy
Finally, I checked if the seller offers a warranty or easy returns. This gave me confidence that I could exchange or return the case if it didn’t fit or meet my expectations.
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By following these steps, I found a phone case for my S21 Plus that perfectly balances protection, style, and functionality. I hope my guide helps you pick the right one for your needs too!
Author Profile
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I’m Frank Roberts, the writer behind TeuscherMadison.com. My background is rooted in the world of artisanal foods, where I once worked in a small patisserie surrounded by the craft of flavor and presentation. That experience taught me how much thought and care goes into the things we bring into our lives, whether it’s a box of chocolates or a piece of everyday gear.
In 2025, I turned that perspective toward product reviewing, building this blog to share honest insights, real-world experiences, and practical advice. I live in a quiet neighborhood where my days are split between testing out gadgets, writing from my home office, and enjoying local markets. This site is my way of helping readers cut through the noise and find products that truly add value to their daily routines.
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