In spite of the Galaxy S23 Ultra's launch, the Samsung Galaxy S21 Ultra is still an excellent phone today. After all, it's packed with high-end internals, not to mention its advanced rear camera system. Ultimately, flagship phones are typically usable for many years, assuming you take proper care of them. If you're aiming at durability and a long lifetime, investing in a case for your Galaxy S21 Ultra should be one of your highest priorities. Not only do cases protect your Samsung phone, but they can also offer added functionality, such as card or cash storage. To help you out, we've prepared a list of the best Samsung Galaxy S21 Ultra cases currently available.

  • 01
    Spigen Slim Armor CS Galaxy S21 Ultra case
    Editor's Choice

    For anyone who’s not a fan of folio-style wallet cases, it’s worth checking out the Spigen Slim Armor CS. It has a robust design, a rear credit card slot that slides open, raised bezels to protect the screen, and precise cutouts.

    See at Amazon
  • 02
    Arae Wallet Galaxy S21 Ultra case
    Kickstand Support

    You want a wallet case? Arae case has it for you. You'll be able to store a number of cards in this tri-fold case, and it can even prop up your phone! Just make sure to get a screen protector, so your cards don't scratch the screen!

    See at Amazon
  • 03
    Vofolen Wallet Galaxy S21 Ultra Case
    Best Value

    A stylish heady duty wallet case featuring a large enclosure on the back for credit cards, bills, ID cards, and more. A semi-spring door keeps your valuables safe while a hard polycarbonate back and shock-absorbent TPU protects your expensive device against falls, drops and scratches.

    See at Amazon
  • 04
    Vena vCommute Wallet Galaxy S21 Ultra Case
    Premium Pick

    Hate the exercise of having to lock and unlock the front cover of your wallet case hundreds of times a day? Then Vena’s vCommute wallet case is just for you. It ditches the front cover but you do get a hidden card slot on the back to store your cards and cash.

    See at Amazon
  • 05
    Monasay Wallet Galaxy S21 Ultra case
    Colorful Pick

    The Monasay Wallet Case offers a slim and lightweight synthetic leather design, three credit card slots, two cash pockets, wireless charging support, and all-round protection. You can get it in many color options.

    See at Amazon
  • 06
    HAII Wallet Galaxy S21 Ultra case
    Multi-Purpose

    This multi-functional wallet case, from HAII, offers a two-in-one design comprising a purse and a detachable phone case. It provides a lot of credit card slots, three cash slots, a zipped coin pocket, precise cutouts, a stand function, and more.

    See at Amazon
  • 07
    Goospery Canvas Wallet Galaxy S21 Ultra case
    Stylish Pick

    Looking for a stylish wallet case for your Galaxy S21 Ultra? Then you’ll love this option from Goospery. It offers a stunning canvas and synthetic leather design, impact resistance, multiple credit card slots, a cash pocket, a stand function, and wireless charging support.

    See at Amazon
  • 08
    WintMing Leather Wallet Galaxy S21 Ultra case
    21-in-1

    WintMing’s weather case has a whopping 17 card slots, three cash slots, and one zipper pocket. When you don’t want the bulk, you can detach the magnetic wallet while keeping the slim case.

    See at Amazon
  • 09
    Kowauri Galaxy S21 Ultra wallet case
    Affordable Pick

    This wallet case from Kowauri, made out of high-quality PU leather, offers three card slots, a cash pocket, kickstand functionality, precise cutouts for all buttons and ports, a magnetic closure, and wireless charger support. You can get it in black, khaki, red, and more colors.

    See at Amazon

As you can see, there are plenty of different wallet case styles and price tags. You can pretty much find wallet case options for most tastes and budgets. The great thing about these cases is that they're relatively affordable, allowing you to invest in several of them. This way, you get to have different units for different clothing colors or occasions.