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App development · eBay online shopping & selling

Android App開發入門

如何設計像eBay online shopping & selling這樣的App?

StarsNet · App team

In the last five years, our focus on app development has driven over HK$3,000,000 in revenue for merchants.

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How the eBay Online Shopping & Selling App Works

eBay is one of the world's largest online marketplaces, connecting millions of buyers and sellers globally. The eBay app provides a seamless experience for users to buy and sell products from their smartphones or tablets. This guide will explain in detail how the eBay app works, covering account setup, buying, selling, payment methods, shipping, security, and additional features.


1. Introduction to the eBay App

The eBay app is available for iOS and Android devices, offering a user-friendly interface for browsing, purchasing, and selling items. It includes features like personalized recommendations, secure payments, seller tools, and customer support. Users can access eBay’s vast marketplace from anywhere, making it convenient for both casual shoppers and professional sellers.


2. Setting Up an eBay Account

Before using the eBay app, users must create an account. Here’s how:

A. Downloading and Installing the App

  • Available on the Apple App Store (iOS) and Google Play Store (Android).
  • Search for "eBay" and install the official app.

B. Registration Process

  1. Sign-Up Options: Users can register using:
    • Email address
    • Google account
    • Apple ID (for iOS)
    • Facebook account
  2. Account Verification: eBay sends a confirmation email or SMS to verify the account.
  3. Profile Setup: Users can add personal details, shipping addresses, and payment methods.

C. Account Types

  • Buyer Account: For purchasing items only.
  • Seller Account: Requires additional verification (bank details, tax information).

3. How Buying Works on the eBay App

Buying on eBay is straightforward, with multiple features to enhance the shopping experience.

A. Browsing and Searching for Products

  • Search Bar: Users can type keywords to find products.
  • Categories: Items are organized into categories (Electronics, Fashion, Home & Garden, etc.).
  • Filters: Buyers can refine searches by price, condition (new/used), location, and seller ratings.
  • Personalized Recommendations: eBay suggests products based on browsing history.

B. Product Listings

Each listing includes:

  • Product Title & Description: Detailed information about the item.
  • Photos: High-quality images (sometimes with zoom functionality).
  • Price: Fixed price or auction-style bidding.
  • Shipping & Return Policies: Estimated delivery time and return conditions.
  • Seller Information: Ratings, feedback score, and response rate.

C. Purchase Options

  1. Buy It Now (Fixed Price): Immediate purchase at a set price.
  2. Auction Bidding:
    • Users place bids, and the highest bidder wins.
    • eBay notifies users if they are outbid.
    • Auctions have a countdown timer.
  3. Best Offer: Buyers can negotiate the price with the seller.

D. Checkout and Payment

  1. Add to Cart: Items can be saved for later or purchased immediately.
  2. Checkout Process:
    • Select shipping address.
    • Choose payment method (credit card, PayPal, Apple Pay, Google Pay, etc.).
    • Apply coupons or eBay Bucks (reward points).
  3. Order Confirmation: eBay sends an email with order details and tracking information.

E. Order Tracking and Delivery

  • Buyers can track shipments via the app.
  • Estimated delivery dates are provided.
  • eBay’s Money Back Guarantee protects buyers if items are not as described.

4. How Selling Works on the eBay App

Selling on eBay is accessible to individuals and businesses. The app provides tools to list, manage, and ship products efficiently.

A. Listing an Item for Sale

  1. Tap "Sell": The app guides sellers through the listing process.
  2. Product Details:
    • Title (keywords help with visibility).
    • Description (condition, features, defects).
    • Category selection.
    • Upload photos (eBay allows up to 12 images).
  3. Pricing Options:
    • Fixed Price: Set a firm price.
    • Auction: Start with a minimum bid.
    • Best Offer: Allows price negotiation.
  4. Shipping Options:
    • Free or calculated shipping.
    • Choose carriers (USPS, FedEx, UPS).
    • Set handling time (how quickly the item ships).
  5. Return Policy: Sellers can specify return rules (e.g., 30-day returns).
  6. Listing Fees: eBay charges insertion fees (free for some listings) and a final value fee (percentage of the sale price).

B. Managing Listings

  • Active Listings: View, edit, or promote listings.
  • Promoted Listings: Pay extra to boost visibility in search results.
  • Offers & Messages: Respond to buyer inquiries and negotiate prices.

C. Handling Sales

  1. Order Notifications: eBay alerts sellers when an item sells.
  2. Shipping Process:
    • Print shipping labels directly from the app (discounted rates available).
    • Buyers receive tracking details automatically.
  3. eBay Shipping Services:
    • eBay Standard Envelope: For trading cards and small items.
    • eBay International Shipping: Simplifies global sales.

D. Getting Paid

  • Payment Methods: eBay manages payouts via:
    • Managed Payments: Direct deposit to a bank account.
    • PayPal (in some regions).
  • Payout Schedule: Funds are deposited within 2 business days.
  • Seller Fees: eBay deducts fees before transferring earnings.

5. Payment Methods on eBay

eBay supports multiple secure payment options:

For Buyers:

  • Credit/Debit Cards (Visa, Mastercard, Amex).
  • PayPal.
  • Apple Pay / Google Pay.
  • eBay Gift Cards.

For Sellers:

  • Managed Payments: eBay processes payments and deposits earnings.
  • PayPal (still used in some cases).
  • Payout Schedule: Sellers receive funds within 2-3 days.

6. Security and Buyer/Seller Protection

eBay prioritizes secure transactions with policies like:

A. eBay Money Back Guarantee

  • Buyers can request refunds if:
    • Item is not received.
    • Item is significantly different from the description.
  • eBay mediates disputes if sellers do not cooperate.

B. Seller Protection

  • Protects sellers from fraudulent chargebacks.
  • Requires tracking and proof of delivery.

C. Account Security

  • Two-factor authentication (2FA) for login.
  • Fraud detection systems monitor suspicious activity.

7. Additional Features of the eBay App

A. Watchlist & Saved Searches

  • Users can save favorite items and get price drop alerts.

B. eBay Deals & Discounts

  • Daily deals, coupons, and seasonal sales.

C. eBay Authenticity Guarantee

  • Luxury items (watches, sneakers) are verified by experts before delivery.

D. Global Shipping Program

  • Simplifies international sales with pre-calculated duties.

E. eBay Refurbished

  • Certified pre-owned electronics with warranties.

8. Customer Support

  • Help Center: FAQs and guides.
  • Live Chat / Email Support: For account and transaction issues.
  • Community Forums: Sellers and buyers share tips.

9. Conclusion

The eBay app is a powerful platform for online shopping and selling, offering a secure, user-friendly experience. Buyers enjoy a vast selection, competitive pricing, and buyer protection, while sellers benefit from global reach, easy listing tools, and secure payments. Whether you're a casual shopper or a professional seller, eBay’s app provides all the necessary features for a smooth e-commerce experience.

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Pricing · 5 tiers

App Development Costs & Features

We have prepared an approximate time and cost budget for you,<br/>enabling you to quickly launch the app to market and generate revenue within your budget.

  1. Tier 01

    20K - 40K

    Simple Starter App (MVP)

    ~ 1 - 3 weeks

    • Displays information only (e.g., company information)
    • Simple, ready-to-use design
    • Only for Android
    • In one language (English or Chinese)
  2. Tier 02

    40K - 80K

    Basic App with Key Features

    ~ 1 - 2 months

    • Payment Integration (e.g., Stripe)
    • Secure authentication (e.g., register, login)
    • Sends email updates (e.g., order confirmation)
    • Simple control panel for you to manage content (e.g., add products)
    • Works on both iOS and Android
  3. Tier 03Popular

    80K - 140K

    Enhanced App with More Features

    ~ 2 - 3 months

    • Customised design
    • Sends in-app notifications (e.g., order updates or promotions)
    • Supports up to 3 languages (e.g., English, Cantonese, Mandarin)
    • Advanced control panel to manage content and track activity
    • Staff accounts with different access levels (e.g., manager vs. staff)
    • Permission settings to control which pages customers can view or use (e.g., restrict certain features to specific users)
  4. Tier 04

    140K - 240K

    Powerful Custom App

    ~ 3 - 4 months

    • Custom features for your needs
    • Tracks how users use the app and creates reports
    • Analyzes data to help you make smart decisions
    • Connects with other tools (e.g., marketing or delivery services)
    • Detailed control panel for managing everything
  5. Tier 05

    240K or Above

    Enterprise Custom App

    ~ 4 - 6 months

    • Smart AI features (e.g., personalized suggestions or chatbots)
    • Real-time updates (e.g., live inventory, instant user actions)
    • Handles thousands of users with lightning-fast performance
    • Seamlessly connects with tools like social media, analytics, or CRM
    • Advanced control panel with powerful reports to boost your business
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