Best Apps for Selling Stuff: Ultimate Guide with Tips and Comparisons

  • Apps for selling things allow you to sell new and used products in just a few clicks from your mobile phone, reaching millions of buyers.
  • There are general apps, specialized product apps, local or national sales apps, and even platforms for creating your own store, each with specific advantages.
  • We explain how to choose the ideal app based on what you want to sell, how to protect your sales, and how to maximize profits without compromising security.

best apps to sell stuff

Did you know that almost all of us have something at home that we could sell? From items we no longer use, clothes that no longer fit, old gadgets, or even furniture. Today, selling things you don't need is easier than ever: all you need is your phone and one of the many apps to sell things that exist. Furthermore, with the rise of the collaborative economy and online commerce, more and more people are encouraged to give their belongings a second life and earn extra money without leaving home.

In this article you will discover The best apps for selling second-hand products and items, how they work, what advantages they offer depending on the type of product, what tips you should follow to sell quickly and safely, and the key criteria for choosing the perfect platform for your needs. This guide is fully updated, integrates everything relevant from industry leaders, compares alternatives, and guides you step by step to get the most out of your sales.

Advantages of using applications to sell products

The arrival of smartphones has revolutionized the way we sell used and new items. Apps dedicated to buying and selling between individuals and professionals offer a range of options. fundamental advantages:

  • Time saving and ease of useYou only need your mobile phone to upload photos, descriptions, and manage your listings.
  • Immediate access to thousands of buyersApps connect sellers and buyers in a matter of minutes, whether locally, nationally, or internationally.
  • No or reduced commissionsMany platforms allow you to list and sell products completely free of charge; only a few charge for professional services or sales.
  • Comprehensive management from your mobile phone: Order tracking, buyer communication, listing editing, and more all from a single app.
  • Sectorized sales: There are apps specialized in clothing, technology, collectibles, furniture, vehicles, and even crafts, making it easy to find genuinely interested buyers.

What do you need to start? A phone with a camera, internet access, and deciding what you want to sell. The next step is choosing the app that best suits your needs, depending on what you're trying to sell.

Sell ​​things
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How to choose the best app to sell things

The huge range of apps available can make it difficult to know which one to choose. We summarize the essential criteria when deciding:

  • Product type:Clothing? Technology? Furniture? All in one? There are general-purpose apps and very specialized ones.
  • Geographical scope: Do you want to sell to people in your city or do you ship nationally/internationally?
  • Commissions and payment policiesSome platforms are 100% free, others charge only if you make a sale, and some charge for highlighting products.
  • Ease of use and functions: Check if it allows you to chat in the app, upload multiple photos, schedule shipments, manage inventory, or follow other users.
  • Level of security and protection: Check for anti-fraud systems, user ratings, payment protection, shipping insurance, and customer service.

best apps to sell things from your mobile

The best apps for selling things in Spain and Latin America

Below we show you the most popular and effective apps for selling all types of products, sorted by their specific features and advantages, with an explanation for each one.

1.wallapop

Wallapop

Wallapop has established itself as the leading app for selling and buying second-hand items in Spain, and is increasingly gaining ground in Latin America. Its system focuses on buying and selling between individuals, prioritizing products close to your location.

  • Uploading ads is easy and free. You just need photos, a description, and a price.
  • There's no commission on sales between individuals; there's only a small fee if you use the Wallapop Envíos shipping system, which protects the transaction with insurance.
  • Payment and shipping are managed through the app itself, providing security for both buyers and sellers.
  • Allows you to sell items from any category: technology, fashion, decoration, toys, sports, cars, books, etc.
  • It includes integrated chat, although communication may sometimes present a delay in message delivery.

The ease of arranging delivery and the large user community make it one of the best apps for selling things you no longer use.

Wallapop - Sell & Buy
Wallapop - Sell & Buy
Developer: Wallapop
Price: Free

2. Milanuncios

Milanuncios

Considered the Spain's largest classified ads platformMilanuncios offers a vast catalog of ads for all kinds of products and services. It allows you to sell both new and used products.

  • Uploading ads is completely free and fast, with no limit on products.
  • A wide variety of categories: cars, clothing, furniture, real estate, electronics, video games, services, employment, motors, home and garden items, sports, books, toys, and much more.
  • It includes a chat system with the option to send photos, the ability to highlight ads for a fee, and tracking favorite users.
  • Advanced filters for local search and alert management to avoid missing out on opportunities.
  • All listings undergo anti-fraud and moderation checks, ensuring transaction security.

Ideal for one-off sales, emptying out storage rooms, or earning extra money by getting rid of things you no longer use, reaching all types of audiences.

Milanuncios: Second hand
Milanuncios: Second hand

3.Facebook Marketplace

Facebook MarketPlace

Facebook Marketplace has grown into a powerful space for selling all kinds of products, taking advantage of Facebook's enormous user base. It's perfect if you already have an account and want to sell quickly in your city.

  • Posting is free and there are no fees charged.
  • The app automatically suggests products based on your location, driving fast sales with no shipping costs.
  • It allows you to access buyer and seller profiles, view reviews and opinions, and communicate via Messenger without sharing personal information.
  • Very useful for furniture, appliances, clothing, children's items, technology, and even cars or real estate.

Thanks to its integration into the social network, it's one of the most direct ways to reach hundreds of buyers in a matter of minutes.

Facebook
Facebook
Developer: Meta Platforms Inc.
Price: Free

4. eBay

eBay

eBay was the pioneer in online buying and selling and remains a global benchmark. Allows you to sell both locally and internationally, and specializes in auctions and hard-to-find products.

  • Ideal for collectors, technology, electronics, vintage items and exclusive products.
  • Allows you to create “Buy It Now” auctions or direct sales.
  • It offers buyer and seller protection, especially if you use PayPal.
  • Commissions exist and can be included in the sale price, but in return you gain access to millions of potential buyers around the world.
  • You can manage inventory, advertising campaigns, and sales tracking from your mobile device.
eBay: kaufen & verkaufen
eBay: kaufen & verkaufen
Developer: eBay-Mobile
Price: Free

5. Letgo / OfferUp

Letgo

Letgo, and its merger with OfferUp, makes this app One of the best options for local, fast and secure sales of anything: furniture, appliances, bicycles, gadgets, etc.

  • Image recognition technology that automatically suggests titles and tags.
  • It displays indicative market prices and average sales times to help you adjust your expectations and sell at the right price.
  • Allows you to chat in the app and protect personal communication.
  • You can highlight products and gain more visibility by paying small amounts.
  • It has a large local community, ideal for face-to-face sales without shipping hassles.
letgo: Handle Gebrauchte Dinge
letgo: Handle Gebrauchte Dinge
Developer: letgo
Price: To be announced

6. Todocoleccion

Allcollection

It tienes collectibles, antiques, art, rare books or unique piecesTodocolección is your app. It specializes in auctions and direct sales of collector's items, with millions of active lots.

  • A wide selection: vinyl records, stamps, coins, vintage toys, out-of-print books, cameras, art, and all kinds of rarities.
  • Allows auction or direct sale and negotiation of offers with buyers.
  • Secure payments through PayPal and shipping management from the platform itself.
  • Very useful if you want to reach an audience that is looking for specific pieces and is willing to pay more for well-preserved objects.
todocoleccion:Aus zweiter Hand
todocoleccion:Aus zweiter Hand

7. Vinted

Vinted

Vinted has specialized in Second-hand clothing for women, men, children and accessories, although you can also sell toys, accessories and beauty products.

  • Listing is completely free, with no commissions for the seller.
  • Secure and protected shipping management, with a variety of messaging options.
  • Large catalog divided into hundreds of categories according to the type of garment or accessory.
  • You can follow other profiles, create your own store, and sell items in packs.
  • Perfect for those who want to update their wardrobe without spending a lot and to get rid of clothes in good condition.

Since it acquired Chicfy, it has strengthened its position in the textile sector.

Vinted – Secondhand-Kleidung
Vinted – Secondhand-Kleidung
Developer: Vinted
Price: Free

8. Bkie

bkie

Bkie is the Pioneering app for buying and selling bikes and cycling equipment, specialized for those who want to sell bicycles, clothing, accessories, components, etc.

  • All transactions are managed within the app, including payment and shipping.
  • Extensive filters by product type, size, brand, price, condition, etc.
  • 48 hours for returns if the item does not match the description, a system similar to Wallapop.
  • A cycling-focused community, ideal for finding parts and genuinely interested buyers.

Note: It only has an application, not a web platform.

BKIE, flea market for bikes
BKIE, flea market for bikes

9. Amazon Seller

best apps to sell things on Amazon

Amazon Seller It's the official tool for selling products on Amazon, the world's largest e-commerce site. It's suitable for both individual sellers and professional businesses.

  • It provides access to millions of potential buyers in Spain and around the world.
  • You can sell new, refurbished, or used items in hundreds of categories.
  • The app makes it easy to manage inventory, pricing, advertising campaigns, messaging, and shipment tracking.
  • It offers storage, shipping, and customer service if you opt for the Amazon FBA (“Fulfilled by Amazon”) program.

It requires registration as a seller and payment of fees, but for those looking to start or professionalize sales, it's the most powerful option.

10. Etsy

best apps to sell unique products

Etsy is the quintessential app for selling Handmade, vintage, craft, art, decoration or personalized fashion productsIf you're creative, you can reach buyers from all over the world looking for unique items.

  • Manage sales statistics, buyer messages, inventory, and campaigns from your mobile device.
  • International sales with easy payment and shipping.
  • Community that values ​​originality and sustainability.
  • Ideal for artists, designers, craftspeople, or creative entrepreneurs.

11. Free Market

Free market It is the leading platform in Latin America for buying and selling almost anything (clothing, electronics, cars, real estate, etc.).

  • You can post ads for free and manage your inventory professionally.
  • It includes instant messaging with buyers, shipping management, and the option to set up your own store.
  • It's one of the best options in terms of reach and reliability if you're selling from Latin America.

12. Other popular apps

  • OLX: Very popular in Latin America for selling used and new items, with free ad posting.
  • Rakuten: Wide variety of products, points program for buyers and national and international sales.
  • Fnac Market: Ideal for electronics, culture and technological products.
  • Worten: Specialized in technology and household appliances.
  • Mano Mano: For DIY, gardening and home items.
  • Wish: Widely used for fashion, gadgets and low-cost items.
  • VarageSale: Local platform based on verified sales and secure purchases.
  • Poshmark: Perfect for selling brand name or vintage clothing, accessories and fashion.
  • storecloudIf you want to create your own online store, this app lets you set up your storefront and manage everything from your mobile phone.
  • Ecwid: For the sale of products, services and subscriptions, aimed at digital entrepreneurs.

Essential tips for selling quickly and safely on apps

To get the most out of these buying and selling apps, follow these tips:

  1. Quality photosUpload clear, well-lit images from different angles. The initial visual impact is key.
  2. Complete and honest descriptions: Explain well the condition, measurements, characteristics and any relevant details to avoid misunderstandings.
  3. Adequate and competitive price: Check prices for similar products before setting yours. Don't hesitate to use the multi-app price guidance feature.
  4. Friendly and prompt communicationRespond to buyers' questions promptly and be friendly. Good customer service increases your sales prospects.
  5. Flexibility in meetings and shipments: If possible, offer pickup from secure public locations or multiple shipping options.
  6. Do not share unnecessary personal dataUse the built-in chats. Don't give out your address or bank details in advance.
  7. Verify payment before delivering the product: Use secure systems, cash payments, or platforms with protection for both parties.
  8. Use several different apps: Post your items on more than one platform whenever possible to increase your chances of selling.

Frequently asked questions about selling things through apps

  • How much does it cost to sell on these apps? Most are free or only charge a commission when you actually sell, except for featured ads or professional options. Always read the terms and conditions of each app.
  • What do I do if I receive a suspicious offer? If you're asked for advances or strange bank details, be wary. Always report any attempted fraud on the platform itself.
  • Can it be sold internationally? Apps like eBay, Amazon, and Etsy allow international sales, but check the shipping terms and fees.
  • Can I sell new products or only used ones? Both types of items can be sold: check the conditions and categories to see if your item is eligible.

Advantages and disadvantages of apps for selling things

  • Advantages: speed, ease, access to a large audience, flexibility, security if you follow the app's rules, saving time and resources.
  • Disadvantages: High competition for certain products, possibility of non-serious messages, commissions on some platforms for professional sales.

The Apps for selling things have revolutionized the way we get rid of things we don't use.From selling used clothing and technology to furniture, collectibles, and bicycles, today there are apps for all types of products and needs. Just choose the one that best suits your needs, take care with the presentation of your items, and protect your sales by following safety recommendations. Thanks to digitalization and the community of buyers, it's easier and more profitable than ever to earn extra money, buy at a good price, and, at the same time, contribute to more sustainable and circular consumption.

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