Best Upsell Apps

248+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated November 2026

With an average user rating of 4.7β˜…, the upsell category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.

Compare top Upsell Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OfferUp Buy & Sell MarketplaceOfferUp Buy & Sell MarketplaceFree4.8β˜… (4.4M)YesYesNov 2026
2UpSeller ERPUpSeller ERPFree5.0β˜… (1)NoNoNov 2026
3Mercari: Buying & Selling AppMercari: Buying & Selling AppFree4.8β˜… (2M)YesNoNov 2026
4Whatnot: Shop, Sell, ConnectWhatnot: Shop, Sell, ConnectFree4.7β˜… (1.1M)YesNoNov 2026
5eBay online shopping & sellingeBay online shopping & sellingFree4.8β˜… (5M)NoNoNov 2026
6NumBuster. Real Name Caller IDNumBuster. Real Name Caller IDFree4.4β˜… (417)YesYesNov 2026
7VarageSale: Buy & SellVarageSale: Buy & SellFree4.6β˜… (71K)NoYesNov 2026
8Shopify: Sell. Run a business.Shopify: Sell. Run a business.Free4.7β˜… (43K)NoNoNov 2026

Top Picks for Upsell

OfferUp Buy & Sell Marketplace#1

OfferUp Buy & Sell Marketplace by OfferUp Inc.

Buying & Selling Items Locally
4.8😞(4.4M ratings)
FreeAdsIn-App Purchases
#1in Shopping
OfferUp Buy & Sell Marketplace screenshot 1
OfferUp Buy & Sell Marketplace screenshot 2
OfferUp Buy & Sell Marketplace screenshot 3
OfferUp Buy & Sell Marketplace screenshot 4
OfferUp Buy & Sell Marketplace screenshot 5
OfferUp Buy & Sell Marketplace screenshot 6

Discover and shop for a wide variety of new and used items locally or nationwide. Easily list your own items for sale in seconds and connect with buyers and sellers securely within the app. Find great deals on furniture, electronics, clothing, cars, and more.

What We Love

  • πŸš€ Great for finding bargains
  • πŸ‘ Awesome for buying/selling
  • πŸ‘ Excellent app overall
  • πŸ‘ Satisfactory customer
  • πŸ‘ Awesome deals and treasures

Room to Improve

  • πŸ› Inactive sellers
  • πŸ› Difficult to communicate with sellers
  • πŸ› Forced ads that can't be exited
  • πŸ› Buggy and poor design
  • πŸ› Saturated with duplicate posts
  • πŸ”’ Lack of customer support
  • πŸ› Accounts banned without explanation
  • πŸ› Difficult to delete saved items
  • πŸ› Location settings keep changing
  • πŸ› Unreliable shipping and payments
UpSeller ERP#2

UpSeller ERP by UPSELLER TECHNOLOGY LTDA

All-in-one ERP for E-commerce
Strong Contender
πŸ’Ό Business
5.0(1 ratings)
Free
UpSeller ERP screenshot 1
UpSeller ERP screenshot 2
UpSeller ERP screenshot 3
UpSeller ERP screenshot 4
UpSeller ERP screenshot 5

Manage multiple e-commerce stores and their sales, customers, orders, and inventory from a single platform. This tool offers real-time data and communication features to optimize operations and improve customer service for online sellers.

Mercari: Buying & Selling App#3

Mercari: Buying & Selling App by Mercari, Inc.

Earn money and shop discounts
Worth Considering
πŸ›οΈ Shopping
4.8😊(2M ratings)
FreeAds
#86in Shopping
Mercari: Buying & Selling App screenshot 1
Mercari: Buying & Selling App screenshot 2
Mercari: Buying & Selling App screenshot 3
Mercari: Buying & Selling App screenshot 4
Mercari: Buying & Selling App screenshot 5
Mercari: Buying & Selling App screenshot 6

This marketplace allows users to easily sell unwanted items or start a side hustle, listing everything from clothing to collectibles in seconds. Discover great deals on new and used items from trusted sellers, with options to make offers and bundle purchases for savings.

What We Love

  • πŸ’° Great for selling items
  • πŸš€ Easy to use app
  • πŸ€‘ Able to make money
  • πŸ›’ Good platform for buying and selling
  • πŸ”’ Buyer and seller protection
  • πŸ“¦ Convenient shipping process

Room to Improve

  • πŸ•°οΈ Slow customer service response
  • πŸ”’ Lack of seller protection
  • πŸ€‘ High fees and shipping costs
  • πŸ” Issues with search and filtering
  • πŸ” Inaccurate or misleading listings
  • ⚠️ Account suspension issues
  • πŸ’³ Problems with payouts and transfers

More Upsell apps to explore

FAQ about Upsell

What are the best upsell apps for iPhone?
OfferUp Buy & Sell Marketplace tops our upsell apps ranking as of November 2026, with a 4.8-star average from 4.4M App Store ratings, and it's free to download.
Yes β€” 20 of the top upsell apps we rank are free to download, including OfferUp Buy & Sell Marketplace and UpSeller ERP.
OfferUp Buy & Sell Marketplace shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 248+ upsell apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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