Step-by-Step Guide: Building a WhatsApp Clone with Adalo

Creating a WhatsApp-style messaging app is one of the most ambitious projects for any aspiring developer—requiring real-time chat functionality, user authentication, media sharing, push notifications, and separate builds for both iOS and Android. Traditional development demands months of coding across multiple languages, expensive backend infrastructure, and ongoing maintenance that can overwhelm even experienced engineering teams.

That's where Adalo comes in. Adalo is a no-code app builder for database-driven web apps and native iOS and Android apps—one version across all three platforms. AI-assisted building and streamlined publishing enable launch to the Apple App Store and Google Play in days rather than months. With its visual interface and built-in database capabilities, you can construct a fully functional messaging app complete with individual chats, group conversations, and media sharing—no coding expertise required.

Why Adalo Is Perfect for Building a Messaging App

Creating a WhatsApp-style messaging app traditionally demands expertise in real-time communication protocols, complex database architecture, and platform-specific development for both iOS and Android. Adalo is a no-code app builder for database-driven web apps and native iOS and Android apps—one version across all three platforms, published to the Apple App Store and Google Play. This cross-platform capability is exactly what a messaging app requires, allowing your users to chat seamlessly whether they're on their phone, tablet, or desktop.

App store distribution becomes especially critical for messaging applications because users depend on push notifications to stay connected in real time. When your WhatsApp clone is published directly to the Apple App Store and Google Play, you gain access to native notification systems that keep conversations active and users engaged—without the months of development work typically required for this type of app.

Building a WhatsApp-style messaging app from scratch typically requires extensive mobile development expertise, backend infrastructure for real-time communication, and separate codebases for iOS and Android platforms. The complexity of handling user authentication, chat databases, media sharing, and push notifications makes this one of the most challenging app types to develop—often requiring months of work from experienced engineering teams.

Adalo, an AI-powered app builder, changes the equation for aspiring app creators. It builds database-driven web apps and native iOS and Android apps from a single codebase—one version across all three platforms. AI-assisted building and streamlined publishing enable launch to the Apple App Store and Google Play in days rather than months. This tutorial will show you how to leverage these capabilities to build a fully functional messaging app complete with individual chats, group conversations, and media sharing—all without writing a single line of code.

Why Adalo Works for Building a Messaging App

Adalo's cross-platform capability is essential for a messaging app like WhatsApp, where users expect seamless communication whether they're on their phone, tablet, or computer—all without you having to maintain separate codebases. With over 3 million apps created on the platform, Adalo's visual builder has been described as "easy as PowerPoint" while delivering production-ready applications.

App store distribution is particularly crucial for messaging apps because users need push notifications to stay connected in real time. By publishing your WhatsApp clone directly to the Apple App Store and Google Play, you'll tap into the built-in notification systems that keep conversations flowing and users engaged. The platform's modular infrastructure scales to 1M+ monthly active users with no upper ceiling—critical for messaging apps that can experience rapid growth.

This comprehensive tutorial will guide you through building a WhatsApp-style messaging app. While Adalo has limitations for real-time messaging, we'll implement creative solutions to create a functional messaging app with individual chats, groups, media sharing, and more. If your plan is mass distribution through the app stores' vast marketplaces, this is an excellent option versus many alternatives that require separate builds for each platform.

Prerequisites and Initial Setup

Step 1: Create Your Adalo Account

  1. Go to Adalo.com and sign up
  2. Click "Create New App"
  3. Choose "Mobile App" (essential for messaging features)
  4. Select "Start from Scratch"
  5. Name your app (e.g., "ChatApp")

Step 2: Configure App Theme

  1. Choose primary color (green for WhatsApp style)
  2. Select white background
  3. Pick a clean, readable font (like Open Sans)
  4. Set up responsive mobile settings
  5. Click "Continue" to enter editor

Building the Database Structure

Adalo's database capabilities are a key advantage for messaging apps. Paid plans include unlimited database records—no caps on conversations, messages, or media files. With the right data relationship setups, Adalo apps can scale beyond 1 million monthly active users.

Step 3: Enhance Users Collection

  1. Click Database icon in left sidebar
  2. Select default "Users" collection
  3. Add these properties (click "+ Add Property"):
    • Phone Number (Text - unique)
    • Display Name (Text)
    • Profile Picture (Image)
    • About/Status (Text)
    • Last Seen (Date & Time)
    • Online Status (True/False)
    • Push Token (Text)
    • Blocked Users (Relationship to Users - Many to Many)

Database documentation

Step 4: Create Conversations Collection

  1. Click "+ Add Collection"
  2. Name it "Conversations"
  3. Add properties:
    • Type (Text) - Values: "individual", "group"
    • Last Message (Text)
    • Last Message Time (Date & Time)
    • Unread Count (Number)
    • Created At (Date & Time - Automatic)
    • Group Name (Text)
    • Group Icon (Image)
    • Group Description (Text)

Step 5: Create Messages Collection

  1. Click "+ Add Collection"
  2. Name it "Messages"
  3. Add properties:
    • Message Type (Text) - Values: "text", "image", "video", "audio", "document"
    • Text Content (Text - Multiline)
    • Media File (File)
    • File Name (Text)
    • File Size (Number)
    • Created At (Date & Time - Automatic)
    • Read (True/False - default: false)
    • Read At (Date & Time)
    • Delivered (True/False)
    • Deleted (True/False)

Step 6: Create Participants Collection

  1. Click "+ Add Collection"
  2. Name it "Participants"
  3. Add properties:
    • Joined At (Date & Time - Automatic)
    • Role (Text) - Values: "member", "admin"
    • Muted Until (Date & Time)
    • Archived (True/False)
    • Pinned (True/False)

Step 7: Create Status/Stories Collection

  1. Click "+ Add Collection"
  2. Name it "Status"
  3. Add properties:
    • Content Type (Text) - Values: "text", "image", "video"
    • Text Content (Text)
    • Background Color (Text)
    • Media File (File)
    • Created At (Date & Time - Automatic)
    • Expires At (Date & Time)
    • Caption (Text)

Step 8: Create Status Views Collection

  1. Click "+ Add Collection"
  2. Name it "Status Views"
  3. Add properties:
    • Viewed At (Date & Time - Automatic)

Step 9: Set Up Relationships

  1. In Messages:
    • Sender → Users (Many to One)
    • Conversation → Conversations (Many to One)
    • Reply To → Messages (Many to One)
  2. In Participants:
    • User → Users (Many to One)
    • Conversation → Conversations (Many to One)
  3. In Conversations:
    • Creator → Users (Many to One)
  4. In Status:
    • Creator → Users (Many to One)
  5. In Status Views:
    • Status → Status (Many to One)
    • Viewer → Users (Many to One)

Installing Required Components

Step 10: Install Essential Components

From Marketplace:

  1. Audio Player - for voice messages
  2. File Picker - for document sharing
  3. Search for real-time chat options:
    • PragmaFlow WebSocket Chat (paid)
    • TalkJS Integration (requires coding)

How to add marketplace components

Step 11: Consider Third-Party Solutions

For better real-time features:

  1. PragmaFlow Components:
    • Real-time chat component
    • Microphone recorder (for voice notes)
    • Timer components
  2. Templar Design Chat Template (most powerful pre-built solution)

Building the Chat List Screen

Step 12: Create Main Chats Screen

  1. Add new screen "Chats"
  2. Add App Bar:
    • Title: "WhatsApp"
    • Search icon (right)
    • Menu icon (right)
  3. Add Tab Bar at top:
    • Camera icon
    • "CHATS" (active)
    • "STATUS"
    • "CALLS"

Step 13: Build Conversation List

  1. Add Custom List:
    • Data: Conversations
    • Filter: Current User is in Participants
    • Sort: Last Message Time (Newest First)
  2. For each list item, display:
    • Profile picture/Group icon (60x60 circle)
    • Conversation name
    • Last message preview
    • Last message time
    • Unread count badge (if > 0)

Step 14: Add Floating Action Button

  1. Add circular button (bottom right)
  2. Icon: Message/Chat bubble
  3. Action: Navigate to "New Chat" screen
  4. Position: Fixed to bottom right

Chat implementation guide

Creating Individual Chat Interface

Step 15: Build Chat Screen

  1. Create new screen "Chat"
  2. Add custom App Bar:
    • Back button
    • User profile picture
    • User name
    • "Last seen" or "Online" status
    • Video call icon
    • Voice call icon
    • Menu icon

Step 16: Design Message List

  1. Add Custom List for messages:
    • Data: Messages
    • Filter: Conversation = Current Conversation
    • Sort: Created At (Oldest First)
  2. Use conditional formatting:
    • Sent messages: Right aligned, green background
    • Received messages: Left aligned, white background
    • Show time below each message

Step 17: Create Message Input Bar

  1. Add horizontal group at bottom:
    • Emoji icon
    • Text Input (expandable)
    • Attachment icon
    • Camera icon
    • Microphone icon (if no text)
    • Send button (if text exists)

Step 18: Implement Send Functionality

  1. On Send button click:
    • Create Message record
    • Update Conversation last message
    • Clear input field
    • Scroll to bottom
  2. Add attachment menu:
    • Document picker
    • Camera
    • Gallery
    • Audio
    • Location
    • Contact

Building Group Chat Features

Step 19: Create New Group Screen

  1. Add screen "New Group"
  2. Add group info section:
    • Image Picker for group icon
    • Text Input for group name
    • Text Input for description
  3. Add participant selection:
    • Search bar
    • Custom List of contacts
    • Checkbox for each contact
    • Selected participants chip list

Group messaging documentation

Step 20: Build Group Info Screen

  1. Create "Group Info" screen
  2. Display:
    • Group icon and name (editable for admins)
    • Description
    • Media/Links/Docs section
    • Participants list with roles
    • Add participants button
    • Exit group button

Step 21: Implement Group Admin Features

  1. Add conditional actions based on role:
    • Edit group info (admin only)
    • Add/remove participants (admin only)
    • Make admin option
    • Remove from group option
  2. Group settings:
    • Mute notifications
    • Custom notifications
    • Media visibility

Implementing Media Sharing

Step 22: Create Image/Video Viewer

  1. Add "Media Viewer" screen
  2. Add Image component (full screen)
  3. Add overlay with:
    • Sender name and time
    • Caption (if exists)
    • Download button
    • Forward button
    • Back button

Step 23: Build Voice Message Feature

Note: Limited in Adalo, requires workarounds

  1. Option 1: Link to device recorder
  2. Option 2: Use PragmaFlow Microphone component
  3. Display using Audio Player:
    • Show waveform visualization
    • Duration display
    • Play/pause controls

Audio Player setup

Step 24: Implement Document Sharing

  1. Use File Picker component
  2. Support file types:
    • PDF, DOC, XLS
    • Size limit: 50MB
  3. Display with:
    • File icon
    • File name
    • File size
    • Download action

Building Status/Stories Feature

Step 25: Create Status Tab

  1. On main screen, add Status section
  2. Add "My Status" row:
    • User profile picture
    • "Add status update" text
    • Plus icon
  3. Add Custom List for contacts' statuses:
    • Filter: Created > 24 hours ago
    • Group by creator
    • Show viewed/unviewed differently

Step 26: Build Status Creation

  1. Create "Add Status" screen
  2. Options:
    • Text status with backgrounds
    • Photo status with caption
    • Video status (30 seconds max)
  3. Add privacy settings:
    • My contacts
    • My contacts except...
    • Only share with...

Step 27: Create Status Viewer

  1. Add "View Status" screen
  2. Full-screen display
  3. Progress bar at top
  4. Auto-advance after 5 seconds
  5. Reply option at bottom
  6. Track views

Adding Communication Features

Step 28: Implement Voice/Video Calls

Limitation: No native support

  1. Options:
    • Link to phone dialer
    • Integrate third-party service
    • Use marketplace video call component
  2. Create call logs in database
  3. Show in Calls tab

Video calling options

Step 29: Create Contact Integration

  1. Add "Contacts" screen
  2. Show app users from contacts
  3. Invite non-users option
  4. Sync with phone contacts (limited)

Step 30: Build Search Functionality

  1. Add "Search" screen
  2. Search through:
    • Conversations
    • Messages
    • Contacts
  3. Display results by category
  4. Highlight search terms

Implementing Settings and Privacy

Step 31: Create Settings Screen

  1. Add profile section:
    • Profile picture (editable)
    • Name (editable)
    • About (editable)
  2. Add settings options:
    • Account
    • Chats
    • Notifications
    • Storage and data
    • Help

Step 32: Build Privacy Controls

  1. Last seen options:
    • Everyone
    • My contacts
    • Nobody
  2. Profile photo visibility
  3. About visibility
  4. Read receipts toggle
  5. Blocked contacts management

Step 33: Configure Notifications

  1. Set up push notifications:
    • New message alerts
    • Group mentions
    • Status updates
  2. In-app notification settings:
    • Message preview
    • Sound selection
    • Vibration patterns

Push notifications setup

Optimizing Performance

Following Adalo 3.0's infrastructure overhaul in late 2025, apps now run 3-4x faster than before. The platform's X-Ray feature identifies performance issues before they affect users—particularly valuable for messaging apps where speed matters.

Step 34: Handle Real-Time Limitations

Critical: Adalo doesn't support true real-time natively

  1. Workarounds:
    • Add refresh button
    • Pull-to-refresh action
    • Auto-refresh timer (every 5-10 seconds)
    • Use PragmaFlow WebSocket component
  2. Show "Connecting..." status
  3. Implement offline message queue

Step 35: Optimize Message Loading

  1. Limit initial load to 50 messages
  2. Add "Load earlier messages" button
  3. Implement pagination
  4. Cache recent conversations
  5. Compress media before upload

Testing and Deployment

Step 36: Test Core Features

  1. Message sending/receiving
  2. Group creation and management
  3. Media sharing
  4. Status updates
  5. Notification delivery
  6. Search functionality
  7. Performance with multiple chats

Step 37: Prepare for Launch

  1. Upgrade to Professional plan ($36/month minimum for app store publishing)
  2. Set up encryption notice (not E2E)
  3. Create privacy policy
  4. Add terms of service
  5. Implement reporting system
  6. Set up user support

Working with Platform Limitations

What's Not Possible Natively:

  1. Use third-party components for real-time functionality
  2. Implement manual refresh options
  3. External services for calls
  4. Compress media before upload
  5. Use webhooks for better notifications

Cost Comparison

Adalo's pricing structure offers significant advantages for messaging apps, particularly with unlimited usage on all plans—no App Actions or usage-based charges that can cause bill shock.

Plan Monthly Cost Best For
Starter $36 Testing and development
Professional $36+ App store publishing
Team $200 Collaborative development
Business $250 Best performance

Additional Costs to Consider:

Compare this to alternatives: Bubble starts at $59/month with usage-based Workload Units and record limits. Glide starts at $60/month but doesn't support App Store or Play Store publishing. Adalo's $36/month starting price with no data caps makes it particularly cost-effective for messaging apps that accumulate large message databases.

Additional Resources

Final Recommendations

This WhatsApp clone will provide core messaging functionality with some considerations for real-time limitations. Focus on asynchronous messaging patterns, implement manual refresh mechanisms, and use third-party components for advanced features where needed. Set user expectations appropriately about refresh requirements.

For production use, consider investing in real-time components from the marketplace, external API integration for specialized features, and leveraging Adalo's AI features Builder (due early 2026) for faster iteration on new features.

FAQ

Why choose Adalo over other app building solutions?

Adalo is an AI-powered app builder that creates true native iOS and Android apps from a single codebase. Unlike web wrappers, it compiles to native code and publishes directly to both the Apple App Store and Google Play Store—the hardest part of launching an app handled automatically. With unlimited database records on paid plans and no usage-based charges, you won't face bill shock as your messaging app grows.

What's the fastest way to build and publish an app to the App Store?

Adalo's drag-and-drop interface and AI-assisted building let you go from idea to published app in days rather than months. The platform handles the complex App Store submission process, so you can focus on your app's features and user experience instead of wrestling with certificates, provisioning profiles, and store guidelines.

Does Adalo support real-time messaging for chat apps?

Adalo doesn't support true real-time messaging natively, but there are effective workarounds available. You can implement manual refresh buttons, pull-to-refresh actions, auto-refresh timers (every 5-10 seconds), or use third-party components like PragmaFlow WebSocket for better real-time functionality.

Can I add group chat and media sharing features to my Adalo messaging app?

Yes, Adalo fully supports building group chat functionality with admin controls, participant management, and group settings. You can also implement media sharing for images, videos, documents, and voice messages using marketplace components like Audio Player and File Picker.

How much does it cost to build and run a WhatsApp-style app on Adalo?

Adalo starts at $36/month with unlimited usage and no record limits on paid plans. This compares favorably to Bubble ($59/month with usage-based charges and record limits) and Glide ($60/month without app store publishing). Additional costs may include third-party components for real-time features ($20-200/month).

Why are push notifications important for a messaging app?

Push notifications are essential for messaging apps because users need real-time alerts to stay connected. By publishing your app to the Apple App Store and Google Play through Adalo, you tap into built-in notification systems that keep conversations flowing and users engaged without maintaining separate codebases.

How long does it take to build a messaging app with Adalo?

A basic messaging app with individual chats can be built in a few days. Adding group chats, media sharing, and status features extends this to 1-2 weeks. The visual builder's "easy as PowerPoint" interface means you don't need coding experience to get started.

Do I need coding experience to build a messaging app?

No coding experience is required. Adalo's visual builder lets you create database structures, design screens, and set up logic through drag-and-drop interfaces. Over 3 million apps have been created on the platform by users of all technical backgrounds.

Can Adalo handle a messaging app with many users?

Yes. Following the Adalo 3.0 infrastructure overhaul in late 2025, apps run 3-4x faster with modular infrastructure that scales to 1M+ monthly active users. With proper data relationship setups and no database record limits, messaging apps can grow without hitting platform constraints.