Top 10 Buy and Sell Apps to Earn Money Online

In the last five years, the number of mobile users around the world has increased to a great extent. As a result, people are now trading goods online and even building businesses through buy and sell apps. 

So, if you are building a marketplace or launching a product on an e-commerce platform, you need to know where attention is going in 2026. 

Let’s talk numbers for a second. Mobile commerce is projected to grow from USD 2,416 billion in 2026 to USD 5,009 billion by 2034, with a CAGR of 9.5%. In fact, over 72% of all eCommerce sales are now happening on smartphones. 

But it’s not just the volume that’s changing, it’s how users behave. They’re quicker. They expect cleaner UI, faster checkouts, smarter recommendations, and safer transactions. If online selling apps don’t deliver, they’re deleted in seconds. Therefore, if you want the best apps and websites for reselling, you are at the right place. 

This blog presents you with a curated list of top 10 buy and sell apps that are taking the lead in this shift. We will identify why these online selling apps have been able to facilitate users to purchase and sell multiple products and services. 

Let’s dive in.

10 Best Apps for Online Selling in 2026

Here is the list of top buying and selling apps that users love:  

1. Amazon 
2. Facebook Marketplace
3. OXL 
4. Ebay 
5. Letgo 
6. OfferUp
7. Mercari
8. Craigslist
9. Vinted
10. Thredup 

Going ahead, let’s unfold each and understand what makes these resale apps and websites sell things more effectively. Also, we’ll explore the benefits of buying and selling apps. 

10 Buy and Sell Apps to Help Users Shop Online with Ease

In this section, we’ll discuss the list and descriptions of the top online buying and selling apps ruling the marketplace landscape. If you want to expand your sales into other areas of the world or you want to try out new buy and sell apps, here are some to consider.

1: Amazon 

• Platforms: Web, iOS, Android
• Ratings: App Store: 4.7 / Google Play: 4.4
• Founding Year: 1994
• Headquarters: Seattle, Washington, USA

The Amazon Marketplace is in first place on our list of free apps for buying and selling due to various reasons. It is a global e-commerce platform that allows third-party sellers to sell new or used products directly to customers with a nominal item charge. 

Amazon Marketplace has more than 1.9 million active sellers. Astonishingly, the platform sells 4,000 products per minute. It operates in 18+ countries and reaches more than 300 million customers.

USP: As a seller, you can quickly scale your business by leveraging Amazon’s reputation and its built-in Prime customer base. It is one of the most popular buy and sell apps.

• Categories: Amazon supports a broad range of categories (Books, Apparel, Electronics, Grocery, Toys, Media, Beauty products, among others). 
• Fees: Amazon charges either a $0.99/item fee or $39.99/month. Sellers also pay referral fees, which are 6–15% depending on the category.
• Creating a Listing: Sellers create listings by entering a product identifier, description, images, and pricing, etc.

Why Choose: “Amazon Marketplace is ideal for reaching millions of buyers with built-in trust and fast delivery”

2: Facebook Marketplace

• Platforms: Web, iOS, Android 
• Ratings: App Store: 4.3 / Google Play: 4.1
• Founding Year: 2016 (Marketplace launch)
• Headquarters: Menlo Park, California, USA

Facebook Marketplace allows users to buy and sell new or used goods within the Facebook network. As of 2026, Facebook Marketplace has more than 1.1 billion users in 70 countries. This makes it one of the largest online apps for buying and selling globally. 

Businesses can feature retail inventory or use paid ads to increase visibility. Moreover, listings from other platforms like eBay can also appear on FB Marketplace. This allows sellers to gain even more exposure without additional listing fees.

USP: Facebook Marketplace is one of the best apps to sell things locally. It’s ideal for in-person sales without platform fees or complex logistics. 

• Categories: You can list goods from furniture and clothes to electronics, vehicles, and home goods (across 18 main categories).
• Fees: You can list for free, and if you ship an order, you pay 5% of the sale price (or $0.40 if under $8).
• Creating a Listing: Start by uploading photos, adding a title, price, description, and choosing pickup or shipping. You can also tag items or specify a condition to make your listing more searchable.

Why Choose: “Facebook Marketplace is best for selling everything without fees!”

3: OXL 

• Platforms: Web, iOS, Android
• Ratings: App Store: 4.3 / Google Play: 4.1
• Founding Year: 2006
• Headquarters: Amsterdam, Netherlands

OLX, also called Online eXchange, is the best app to sell things locally, where users can buy and sell automobiles, real estate, household items, jobs, and other services. This free buy and sell app operates in 30+ countries and features 20+ brands. Its dominant presence in India and Brazil has created well connected online community. In fact, in India, OLX has over 33 million monthly active users who post 100,000+ ads daily, with over 650,000 images uploaded every day.

USP: It’s ideal if you’re looking for low-cost listings without managing complex logistics. OLX excels in local and emerging-market classified buy and sell apps.

• Categories: The seller can list electronics, fashion, furniture, vehicles, real estate, jobs, and even pets. OLX spans both C2C and B2C categories depending on your region.
• Fees: A seller can create basic listings for free. But if you want more visibility, you can pay for premium features like “Featured Ad” or “Boost Top Ads.
• Shipping: OLX offers door-to-door shipping delivery service. Remember, shipping fees are calculated based on weight and distance.

Why Choose: “OLX is perfect for selling locally and quickly without paying any listing fees.”

4: eBay 

• Platforms: Web, iOS, Android
• Ratings: App Store: 4.8 / Google Play: 4.5
• Founding Year: 1995
• Headquarters: San Jose, California, USA

eBay is one of the top 5 buy and sell apps, connecting buyers and sellers in almost every country. The company was founded in 1995 and is based in San Jose, California. It offers auction-style and fixed-price sales for nearly any item permitted by law. 

In fact, eBay has approximately 134 million active buyers and 20 million sellers, with roughly 2.3 billion active listings in various categories. Additionally, eBay is easily the most popular app for buying and selling fashion goods. This includes luxury items, collectibles, and other used goods.

USP: You should consider eBay if you want flexibility with auction or fixed-price listings and developing a brand with international reach.

• Categories: One can list electronics, collectible items, fashion, books, vehicles, and specialty goods. 
• Fees: You can list up to 250 items per month for free; then the cost is $0.35 for each listing. When something sells, eBay charges a final value fee (normally 2.5% – 15%, + $0.30 – $0.40 per order).

Why Choose: “OLX is best for selling locally with zero listing fees and direct buyer contact.”

5: Letgo 

• Platforms: Web, iOS, Android
• Ratings: App Store: 4.4 / Google Play: 4.3
• Founding Year: 2015
• Headquarters: Barcelona, Spain

Letgo, established in 2015, is a top online buying and selling app that mostly serves the second-hand goods market. On the platform, users can buy and sell electronics, furniture, clothing, and cars locally. 

The platform has proven exceptionally successful, garnering over 100 million downloads and hosting more than 400 million listings worldwide. It is on our list of free apps for buying and selling because Letgo makes secondhand buying easy and fun.

USP: You can use Letgo to post secondhand items quickly and sell locally without hassle.

• Fees: It is free to advertise items on Letgo. However, you can purchase a “Bump” for about $1.99 per day to feature your listings. 
• Creating a Listing: Open the Letgo app, upload high-quality photos, write a description, set pricing, and select your shipping preferences.

Why Choose: “Letgo makes local buying and selling simple through real-time messaging.”

6: OfferUp

• Platforms: Web, iOS, Android
• Ratings: App Store: 4.7 / Google Play: 4.3
• Founding Year: 2011
• Headquarters: Bellevue, Washington, USA

OfferUp is one of the best buy and sell apps that kicked off in 2011, making it a popular platform for selling items across the United States. The application has attracted over 20 million active users and facilitated more than $14 billion in transactions. 

The platform is all about fostering a trustworthy community. It features more than 1400 community meetup spots that come with a handy messaging system to make transactions smoother.

USP: OfferUp generates roughly $89.4 million in annual revenue in 2025. Its revenue streams include:

• Transaction Fees: When items are shipped, OfferUp charges sellers a service fee ranging from about 12.9% to 15.4% of the sale price plus payment processing fees. 
• Promoted Listings: Promotion prices range from around $1.99 to $9.99, with subscription options at about $19.99/month.
• Verified Merchant Program: Professional and high-volume sellers pay subscription fees (starting around $49.99/month).

Why Choose: “OfferUp is great for local buying and selling with easy chats and secure payments.”

7: Mercari

• Platforms: Web, iOS, Android
• Ratings: App Store: 4.8 / Google Play: 4.6
• Founding Year: 2013
• Headquarters: Tokyo, Japan

Mercari, Inc. is a Japanese tech company known for a consumer-to-consumer online app for buying and selling. This platform allows users to effortlessly buy and sell both new and used items. 

Since its launch in 2013, Mercari has blossomed into a significant player, boasting over 20 million active users each month. The platform makes great use of AI to enhance the user experience. For instance, AI helps sellers to create listings in just about 15 seconds by automatically generating titles and descriptions from their photos.

• Categories: Popular categories include Clothing & Accessories, Electronics, Sports & Outdoor Gear, Books & Media, Kids’ Items, Hobbies & Crafts, and Shoes. 
• Creating a Listing: Sellers create listings by uploading photos, adding a title, description, price, and selecting a category.
• Fees: Mercari charges a selling fee (typically around 10% of the sale price). There is no fee for creating a listing.

Why Choose: “Mercari is best for selling home goods.”

8: Craigslist

• Platforms: Web 
• Ratings: App Store: 2.5 / Google Play: 2.4
• Founding Year: 1995
• Headquarters: San Francisco, California, USA

Craigslist is a privately owned American company that found its spot in our list of top 10 buy and sell apps. It covers a wide range of categories, such as jobs, housing, items for sale, services, community events, gigs, resumes, and forums.  The platform had grown from its roots in the San Francisco Bay Area to over 700 cities across 70 countries. Interestingly, around 90% of its traffic comes from the United States.

Craigslist holds the title of the 16th most-visited website worldwide. With over 80 million classified ads posted, it covers a wide range of categories that are incredibly useful for market research.

Categories:

• Jobs
• Housing
• For Sale (items like furniture, electronics)
• Services (e.g., cleaning, tutoring)
• Community (events, activities)
• Gigs (short-term jobs)
• Resumes

Creating a Listing:

• Select the appropriate category and location
• Write a clear title and detailed description
• Upload photos 
• Provide contact information 
• Review and publish your post

Fees:

• Most listings are free (e.g., housing, for-sale items)
• Paid categories include job postings in some cities, brokered apartment rentals, and certain services.

Why Choose: “Craigslist is best for free, no-frills local listings across almost any category.”

9: Vinted

• Platforms: Web, iOS, Android
• Ratings: App Store: 4.8 / Google Play: 4.6
• Founding Year: 2008
• Headquarters: Vilnius, Lithuania

Vinted, which started in Lithuania, is a resale fashion marketplace where people can buy, sell, and swap both new and used clothing, shoes, and accessories. Launched in 2008, it has rapidly become the largest consumer-to-consumer second-hand fashion platform in Europe. Being one of the top buying and selling apps, Vinted operates across 21 countries and boasts over 100 million registered users as of 2026.

USP: If you’re looking to sell secondhand fashion, Vinted is a fantastic option that spans Europe, the UK, and the US. It’s particularly great if you want to avoid selling fees and have complete control over your pricing and listings.

• Fees: You can keep 100% of your selling price. Buyers cover a buyer protection fee (usually ~5% + €0.70 or equivalent) and pay for shipping.
• Pros: There are optional features like Item Bump or Wardrobe Spotlight that can enhance your visibility for a small fee.

Why Choose: “Vinted is ideal for selling pre-owned fashion with no seller fees.”

10: Thredup 

• Pricing: Commission model
• Platforms: Web, iOS, Android
• Ratings: App Store: 4.7 / Google Play: 4.5
• Founding Year: 2009
• Headquarters: Oakland, California, USA

ThredUp stands out as the largest online consignment and resale platform for secondhand clothing, all while championing sustainable fashion. Since its inception in 2009, it has created a vibrant marketplace where people can buy and sell clothing, shoes, and accessories. Thredup primarily caters to women and kids.

Categories:

• Clothing for women, men, and kids
• Shoes, handbags, and accessories
• Maternity wear
• Designer brands and everyday fashion

Creating a Listing:

• Sell by sending items through a Clean Out Kit or direct drop-off
• ThredUp does the listing process for you after they receive your items

Fees:

• No upfront listing fees
• ThredUp takes a commission that varies based on the selling price (generally 5% to 30%)

Why Choose : “ThredUp is ideal for selling clothes without the hassle of listing or shipping.”

Also Read: How to Boost Ecommerce Sales in 2026: Top 12 Ecommerce Web Development Strategies

10 Best Buying and Selling Apps for Easy Profits (2026): Comprehensive Table

Here is the table summarizing the list of the top 10 reselling apps of 2026:

Other Top Online Buying and Selling Platforms for Free

We have curated a list of the best apps and websites for reselling items for free. Let’s have a look at the 2026 popular platform for selling items: 

1: Etsy

Platforms: Web, iOS, Android
Ratings: App Store: 4.8 / Google Play: 4.7
Founding Year: 2005
Headquarters: Brooklyn, New York, USA

Etsy is an American e-commerce company that operates as a global online buy and sell marketplace focused on handmade, vintage, and unique items.  It prohibits the process of buying and selling items outside categories like handmade, vintage (20+ years old), or craft supplies. As of recent data, Etsy supports over 800,000 active shops, focusing on “Keeping Commerce Human” through tools for entrepreneurs. If you are willing to develop an easy buying and selling app like Etsy, Apptunix can help. 

Why Choose: “Etsy is best for selling handmade and vintage items.”

2: Depop

Platforms: iOS, Android
Ratings: App Store: 4.7 / Google Play: 4.5
Founding Year: 2011
Headquarters: London, United Kingdom

Depop is a popular peer-to-peer online resale fashion marketplace. Launched in 2011 in London, it combines social media elements like Instagram-style feeds with e-commerce functionality to foster a creative community.

Depop has around 30 million users worldwide, mostly under 26, across 150 countries, with strong popularity in the US, UK, and Europe. Moreover, celebrities often use it for charity sales, which boost its cultural appeal.

Why Choose: “It is one of the top resale apps and websites for selling clothing”

3: Poshmark

Platforms: Web, iOS, Android
Ratings: App Store: 4.8 / Google Play: 4.6
Founding Year: 2011
Headquarters: Redwood City, California, USA

Poshmark is a resale fashion marketplace that allows users to buy and sell clothing, accessories, and lifestyle products. Launched in 2011, it combines e-commerce with social networking features to create a community-driven shopping experience. Poshmark charges a $2.95 flat fee for sales under $15 or 20% commission for higher amounts. The platform experienced rapid growth, reaching over 80 million users and 200 million listings, when Naver Corporation acquired it for $1.2 billion.

Why Choose:  This free buy and sell app is best for selling luxury clothing online.

4: Reverb

Platforms: Web, iOS, Android
Ratings: App Store: 4.7 / Google Play: 4.6
Founding Year: 2013
Headquarters: Chicago, Illinois, USA

Reverb is the largest online buying and selling marketplace for new, used, and vintage musical instruments and gear. Founded in 2013 by David Kalt in Chicago, it connects musicians worldwide through free seller listings, earning revenue via commissions and payment processing fees. Headquartered in Chicago with 201-500 employees, it aims to “make the world more musical” through accessible eCommerce. It emphasizes community with inspiring content and global support in countries including the UK, Japan, and Australia.

Why Choose:  One of the best free buy and sell apps for trading music instruments.

5: Whatnot

Platforms: iOS, Android
Ratings: App Store: 4.9 / Google Play: 4.7
Founding Year: 2019
Headquarters: Los Angeles, California, USA

Whatnot is a livestream shopping platform for easy buying and selling items through live video auctions and streams. Founded in 2019, it started with collectibles like Funko Pops and trading cards but has expanded to categories such as fashion, electronics, jewelry, sneakers, and more. The platform operates in the US, UK, and Europe with hubs in multiple countries, serving millions of users. In fact, Whatnot became the largest US livestream reselling app, raising $225 million in funding in 2025 and achieving rapid sales growth.

Why Choose:  One of the top livestream buying and selling apps for all kind of items.

If you are looking to create a buy and sell app or website, you can reach out to Apptunix anytime.  We offer end to end markeplace development services.

Why Are Businesses Investing in The Easy Buying and Selling Apps?

As we all know, there are different ecommerce models that a business can leverage to connect buyers and sellers, which eventually boost revenue. Here are some of the benefits of running buy and sell apps.

1: Market Demand

Needless to say, consumer preferences have changed dramatically over the last few years. Now, shoppers place a significant value on convenience, and easy buying and selling apps provide that. According to eMarketer, mobile commerce is expected to reach $5.4 trillion in 2026, so there’s no slowing down of the trend. 

2: Monetization Opportunity

Apps to sell stuff online offer multiple revenue streams, like: 

• Transaction fees
• Premium listings
• Ssubscriptions
• Advertising
• In-app purchases

One app can generate recurring revenue, which serves as a compelling opportunity as companies look for ways to grow.

3: Competitive Advantage

The best app to sell things locally with advanced features like AI can put a business above its competition. Companies that take the leap and embrace mobile apps will have an opportunity to control loyal customers before others in their industry take the plunge.

4: Data Insights

Online reselling apps provide rich data about user preferences, buying habits, and patterns of transactions. Businesses can utilize this information to understand exactly what customers want and how they approach online shopping. 

In fact, decisions based on data have a real impact on profit and, at the end of the day, offer great satisfaction to the customers.

5: Increased Sales

There is a great benefit to easy buying and selling apps because it opens up new revenue streams. If you put high-end features in your app, it can help promote fast purchasing behavior. Big brands like Amazon and OXL use various tools to boost conversion and repeat sales.

Going to the next section, let’s see some of the most important features of popular buy and sell apps.

Apptunix: Your Trusted Partner for Building Top Buy and Sell Apps

We hope that our list of top 10 buying and selling apps helped you understand the complexity and features of each platform. As we all know, every platform is different, and you need a dynamic mobile app development company to build the most amazing one. This is where Apptunix comes into play. 

We boast 12+ years of experience in developing the most robust platform based on your vision and requirements. Our team of 250+ professionals is well-versed in the latest technologies to integrate the latest tools into your app. 

We have a diverse portfolio and experience in working with multiple clients around the world by overcoming time zone and communication challenges. You can rest assured about the timeline and budget. We deliver what we promise.

So, what’s next? 

You can reach out to us and discuss your project requirements. We offer a free one-hour discovery session to understand what you need. Schedule a Call today!