10 Best Ecommerce Apps For The “Big Four” Ecommerce Platforms In 2023

ShipStation allows ecommerce businesses to manage their fulfillment and shipping processes when selling products through multiple channels.

Why I picked ShipStation: If your business uses multiple sales channels, such as through an online store using Shopify, WooCommerce, BigCommerce, or Adobe Commerce, or marketplaces such as Amazon or eBay, Shipstation can help you manage order fulfillment and shipping processes. It can work with various online shopping carts and help you manage orders from one platform. ShipStation syncs as many orders as you like across unlimited channels, and adding a new channel doesn’t cost extra money.

ShipStation works well with businesses of any size to provide an excellent shipping experience to their customers. The platform gives users access to discounted shipping rates and helps prepare shipping labels, so your product gets to the right customer. ShipStation also acts as a competent inventory management system where you can configure each product with many options.

ShipStation Standout Features and Integrations

Features include order filtering and sorting, custom alerts, courier label generation, label printing, order batching, real-time insights, inventory alerts, and real-time shipment tracking.

Integrations include Odoo, Stripe, Flowtrac, Zoey, AIMS360 Apparel Software, Syncro, Katana Manufacturing ERP, Mailchimp, Quickbooks, HubSpot Operations Hub, Zapier, Xero, Omnisend, Wufoo, and SellerChamp.

ShipStation costs from $9.99/month. ShipStation offers a 30-day free trial for new subscribers.

Yotpo enables businesses to collect customer product reviews, ratings, and photos to increase sales conversions.

Why I picked Yotpo: The application simplifies collecting customer reviews and improves the tasks to influence customer decisions by ensuring they see these reviews. Yotpo has strategic partnerships with Facebook and Google to make it simple for your business to include star ratings from Google AdWords and Product Listing Ads. The user-generated content you collect from these reviews can increase conversions because other shoppers will feel people who have already made a purchase with your store don’t have ulterior motives.

Yotpo works well with businesses of any size to gain leverage and converts more visitors to paying customers. For every review a customer leaves on your product, the platform’s AI reads them to learn what people are saying. After the product receives ten reviews, the AI will prompt future customers by telling them the things other people mentioned in their reviews.

Yotpo Standout Features and Integrations

Features include customizable widgets, insights dashboard, review collection, smart filters, product search by ratings, and content moderation.

Integrations include Commerce Layer, Zinerlo, Zendesk, Mailchimp, HubSpot Marketing Hub, Swipecart, Omnisend, Klaviyo, AdRoll, Zaius, and Salesforce Marketing Cloud.

Yotpo costs from $15/month. Yotpo offers a free forever plan for growing ecommerce stores.

Constant Contact is a platform that enables ecommerce stores to launch various email marketing campaigns.

Why I picked Constant Contact: The platform is an email marketing solution that helps businesses deepen customer relationships. The automated series feature helps you create email campaigns that automatically send messages according to specified actions. You have flexibility regarding how long the system will wait until it sends a follow-up email to your customers; you can add as many automatic emails as you want to a campaign.

Constant Contact primarily focuses on small businesses, but its features are a great fit for any sized business using any of the Big 4 ecommerce platforms. The app provides an email click map tool showing how customers interact and engage with your email messages. You can use this information to make future campaigns more successful.

Constant Contact Standout Features and Integrations

Features include email marketing, marketing automation, email templates, landing pages, event marketing, customer management, audience targeting, brand management, and social media integration.

Integrations include Wrike, Freshdesk, ConnectWise, Pipedrive, Recurly, ProjectManager, Birdeye, SlickText, FreshBooks, Stripe, Basecamp, Pipeliner CRM, and Salesforce.

Constant Contact costs from $9.99/month. Constant Contact offers a free 60-day trial for new subscribers.

Wishlist Plus allows your customers to bookmark their favorite products while shopping.

Why I picked Wishlist Plus: The app helps customers save the products they might like to purchase later without having to create an account with your store. When they return, they can find their list ready to add the products to their cart and continue the purchase process. You can experience high conversion rates and larger customer purchase amounts by enabling wishlists on your site.

Wishlist Plus works best for ecommerce stores that use Shopify to operate their business. The app allows your customers to sync their wishlists across multiple devices. On the backend, you can see the number of times customers add a specific product to their wishlist.

Wishlist Plus Standout Features and Integrations

Features include easy customization, save for later list, email integration, multiple wishlists, wishlist sharing, social proof, automated reminders, email triggers, social re-engagement campaigns, and powerful reporting.

Integrations include Klaviyo, Omnisend, Mailchimp, DotDigital, Ometria TapCart, Cordial, Listrak, Optimizely, Twilio, HubSpot, and Zapier.

Wishlist Plus costs from $14.99/month. Wishlist Plus offers a 30-day free trial for subscribers. The app also has a free forever tier.

EasyShip is a cloud-based shipping platform that provides free access to various shipping carriers for hassle-free delivery.

Why I picked EasyShip: The app allows you to ship your products domestically and internationally with many of the major shipping carriers. As a matter of fact, it has strategic relationships with 250 carriers, and it gives you access to exclusive shipping rates. The free plan allows you to send up to 50 shipments each month through the EasyShip platform.

EasyShip is an excellent fit for businesses of various sizes within the ecommerce space using any of the Big 4 online store platforms. You can use the app to create shipments in three easy steps. If you’re shipping internationally, EasyShip integrates multinational shipping taxes and synchronizes these details into one platform.

EasyShip Standout Features and Integrations

Features include pickup schedules, customer notifications, analytics dashboard, accurate delivery estimates, shipment automation rules, finance management, address validation, product catalog, split and merge shipments, and shipment insurance.

Integrations include APC Shipping Options, Amazon, Channel Advisor, Dear Inventory Flat Export, GlobalPost, Integromat, Linio, Linnworks, Sellbrite, Shopmatic, and TradeGecko.

EasyShip costs from $29/month when billed monthly or $23/month when billed annually. EasyShip offers a 14-day free trial when signing up for a paid subscription. The platform also offers a free forever plan.

AIO SEO is a search engine optimization plug-in with robust settings to help ensure your store’s website is user-friendly.

Why I picked AIO SEO: It’s one of the most acclaimed SEO plug-ins in the ecommerce world that provides powerful features to implement the latest SEO best practices. The app can help you and your team automate important SEO tasks, giving you more time to focus on scaling your business. It can also give your business advanced SEO settings to resolve specific SEO challenges.

AIO SEO enables ecommerce stores using WordPress to manage their business operations, making it an excellent choice for WooCommerce. If your business is on the small side, this ecommerce app helps you implement SEO practices without needing to hire a professional. It comes with a setup wizard to help you automatically choose the best settings to start ranking your website.

AIO SEO Standout Features and Integrations

Features include on-page analysis, video SEO sitemaps, local SEO, SEO audit checklist, Google News sitemaps, RSS content, link assistant, and a redirection manager.

Integrations include Divi, Elementor, SeedProd, Facebook, Instagram, Twitter, Pinterest, and YouTube.

AIO SEO costs from $49.60/year. AIO SEO offers subscribers a full refund if they’re not satisfied during the first 14 days.

Amazon Pay is an online payment processing app that allows Amazon customers to purchase your products.

Why I picked Amazon Pay: Implementing this app into your ecommerce store will allow your customers to buy your products using the information from their Amazon account. It’s an excellent option to enable your business to accept and manage international payments. Also, because the app uses the Amazon payment details of your customers, it can enable faster checkouts, resulting in fewer cart abandonments.

Amazon Pay works on all the Big 4 ecommerce platforms, and it’s very easy to sign up and integrate the app into your online store. However, Amazon has an acceptable use policy that dictates what products you can sell using their app. If you stick to this policy, you can accept debit, credit, and bank payments. Amazon Pay gives your customers a simple payment experience when completing a transaction.

Amazon Pay Standout Features and Integrations

Features include button widgets, inline checkout, recurring billing support, fraud protection technology, charitable donations, voice solutions, and a seller dashboard.

Integrations include Shopaccino, LogiCommerce, SimpleBook.me, Sana Commerce Cloud, A2X, Billbee, Xsolla, PayKun, Inai, Xentral ERP Software, and DonorDrive.

Amazon Pay costs from $0.30 for every transaction with a 2.9% processing fee. Amazon Pay doesn’t have any free trial information.

OptinMonster helps businesses develop lead-generation campaigns to capture emails from customers.

Why I picked OptinMonster: The app uses functions such as floating bars, popups, sidebar opt-in, and other options to encourage customers to give you their email addresses. OptinMonster gives you complete control over where, when, and to whom the campaigns are displayed. So, you can trigger well-designed campaigns to appear where they will most likely convert visitors to potential sales leads.

OptinMonster can help any business using Shopify, WooCommerce, BigCommerce, or Adobe Commerce to operate their business. It uses a drag-and-drop tool to help you build a custom lead form to match your branding. The app also uses Exit-Intent Technology to automatically track your website visitor’s behavior, identify when they’re about to leave your site, and provide specific campaigns before they go.

OptinMonster Standout Features and Integrations

Features include 2-step options, geo-location targeting, drag-and-drop builder, mobile-friendly, coupon wheel opt-ins, revenue attribution, and conversion analytics.

Integrations include Mailchimp, Google Analytics, MailerLite, Constant Contact, Zapier, ActiveCampaign, HubSpot Marketing Hub, Salesforce, AWeber, and Integrately.

OptinMonster costs from $9/month, billed annually. OptinMonster doesn’t have any free trial information.

Returnly eliminates the friction of the product return process and helps customers buy another product with store credit.

Why I picked Returnly: You can use the app to develop a customized product return center for your business and automate your daily returns operations. This will help increase customer shopping experience satisfaction levels when visiting your ecommerce store. The app helps you simplify the process of returning and exchanging your products, which will help save you and your customers time and energy.

Returnly works on stores using Shopify to build their online presence and sell products. It can directly integrate with existing payment solutions, such as Stripe and PayPal, to process refunds easily and securely. When a customer makes a return to your store, Returnly will pay you up-front, in full, as soon as it’s initiated, without any risk to your company.

Returnly Standout Features and Integrations

Features include multiple-priced product exchanges, store credit, auto refunding, actionable analytics, return management, policy controls, brandable return center, and RMA reporting.

Integrations include Shippo, Zendesk, Salesforce, FedEx Ship Manager, UPS Ready, Accumula, Glew, OmniPanel, Chatdesk, ShipBob, Daasity, ShipMonk, and Exenta.

Returnly costs from $99/month. Returnly offers a 14-day free trial.

Doofinder adds product search functionality to your ecommerce store.

Why I picked Doofinder: The app enables ecommerce stores to help customers find information about specific products without having to search your entire inventory. Doofinder acts as a powerful search engine for your site - no programming comprehensive, complex algorithms required! The app allows you to instantly embed Google-like search functionality into your online store.

Doofinder works with any site, and all it needs from you is your underlying data feed to allow the app to develop some java coding to integrate with your store. It leverages an AI engine to track your visitors’ behavior. When they type in the search bar, the app will pick out relevant items they are likely to purchase and display them in the results list. This enables your business to provide visitors with what they want, improving your business’s conversion rate.

Doofinder Standout Features and Integrations

Features include autocomplete site search, personalized searches, voice-enabled searches, search filters, personalized AI, geolocated searches, and real-time statistics.

Integrations include an API that allows you to integrate the app with your current systems.

Doofinder costs from $35/month when paying month-to-month or $31/month when paying annually. Doofinder offers a free 30-day trial for new subscribers. The vendor also offers a limited free forever subscription tier.