You are looking for a platform to sell used clothes? If so the App SUMISU is the right place for you. On our online market place you can sell clothes online and buy used clothes. No matter if you are looking for pre-owned clothes, vintage parts or new pieces, you will find your next favourite item in the right size. Our clever algorithm connects you to people with similar body shapes and sizes, so you can only buy clothes that fit you.

How SUMISU works

SUMISU is a social shopping app that allows you to buy second hand clothes online on the one hand and connects you with other users on the other.
So what is special about SUMISU among other apps to sell clothes? Clearly our clever algorithm, which connects you with users of similar shape and size and thus enables uncomplicated sustainable online shopping and prevents countless returns. In addition, there is our unique community, which stands for body positivity and inspires each other with great outfits. You can post your favourite outfits and take part in challenges with real cool prizes or help other users in their search for second hand clothes online. Our mission is that you never have to ask yourself again: What size do I need? At SUMISU you will buy second hand clothes that really fit you. This results in fewer returns, less emissions and less garment waste. So, buying clothes can be sustainable.

Our idea & concept

It all started with the idea of sustainable online shopping. Today the App SUMISU connects people from all over the world and focuses on being one of the best apps to sell clothes - with the first European online marketplace to sell and buy used clothesand brand new fashion.
. Our concept is all about sustainability when shopping online, a positive body image and diversity when selling and buying clothes online. Every size is beautiful, and every outfit post is allowed to show that. Our community accepts every person, every body and every style!

How to buy used clothes online

To buy used clothes or even new pieces from different brands at SUMISU you just need to download the app from the App Store, Google Play Store or Huawei App Gallery and register. When you log in for the first time you only have to answer a few questions about your height and body shape to set up your profile.
If you now, click on the marketplace in the app you can already find clothes in the right size. You are searching for second hand clothes online in a certain colour? Or do you just want to search for a certain category? Then use our filters and find your new favourite pre-loved piece.
Once you have found a suitable piece of clothing, you can contact the seller in the chat or buy it directly. You can then pay securely by credit card or Klarna. After a few days you are able to already wear your new favourite piece for the first time and it will have a second life in your wardrobe. Super cool, isn't it?

You prefer to sell clothes?

With SUMISU you can also sell clothes for cash. The app to sell clothes allows you to easily find people interested in clothes you no longer wear. To create a selling post follow these simple steps:

  1. take a photo of your used clothes
  2. choose if you show your clothes dressed
  3. tag your size and fit
  4. add a title and a caption

Now you are ready to sell clothes on the market place. While waiting to sell used clothes you can find inspiration in our app or take part in challenges. We wish you much success in buying and selling second hand clothes online.

If you have any questions about SUMISU you can check our FAQs in the app or contact us via

Click here for the APP

Contact us for more information.