Can FM WhatsApp Sync Chats Across Multiple Devices in 2025?
In today’s connected world, syncing your WhatsApp chats across multiple devices phone, tablet, or PC is a must for seamless communication. Official WhatsApp’s multi-device sync, with its robust Companion Mode, has set the standard for effortless chat access. But what about FM WhatsApp, the popular mod loved for its 4000+ themes, advanced privacy, and 1GB file sharing? Can it match official WhatsApp’s sync prowess?
In this in-depth blog, we’ll explore FM WhatsApp’s sync capabilities in April 2025, compare them critically to official WhatsApp, and weigh the pros, cons, and risks. Whether you’re a mod enthusiast or just curious, we’ll answer: Can FM WhatsApp sync chats across multiple devices like official WhatsApp? Let’s dive in!

What Is Multi-Device Chat Sync and Why Does It Matter?
Multi-device chat sync allows access to WhatsApp chats, media, contacts, and settings across multiple devices without losing continuity like whatsapp gb. Introduced by official WhatsApp in 2021 and enhanced with Companion Mode in 2023, it ensures real-time sync even if your phone is offline.
Why it matters in 2025:
- Seamless Transitions: Switch between devices mid-chat.
- Productivity: Use larger screens or keyboards.
- Flexibility: Chat even when your phone is off.
- Consistency: Keep history, starred messages, and settings synced.
FM WhatsApp, built on WhatsApp’s base code, enhances customization and privacy. But how does it compare in terms of sync?
Official WhatsApp’s Multi-Device Sync: The Benchmark
Official WhatsApp’s sync has evolved into a powerful feature suite.
Key Features
- Up to Four Devices: Link one phone with three companion devices.
- End-to-End Encryption: All synced devices maintain encryption.
- Independent Operation: Companion devices work without the main phone.
- Real-Time Sync: Everything updates instantly.
- Companion Mode: Use multiple phones with one number.
How to Use It
- Go to Settings > Linked Devices.
- Tap Link a Device.
- Scan the QR code from your second device.
Limitations
- Limited features like live location and broadcast lists on companion devices.
- Stable internet needed during initial setup.
- Some older messages might not appear immediately.
This is the most secure and reliable sync solution available in 2025.
FM WhatsApp’s Sync Features: What Can It Do?
FM WhatsApp v10.10 offers exciting features but falls short in sync.
Available Sync Features
- WhatsApp Web Sync: Scan a QR code to access chats on PC.
- Dual Accounts: Run FM and official WhatsApp with different numbers.
- Manual Backup/Restore: Use local or Google Drive backups.
- Universal Settings: Themes and privacy settings are portable.
- Chat Transfer: Move chats with backup files.
How FM WhatsApp Syncs
- Web Access: Requires phone to stay online unlike official WhatsApp.
- Manual Backup: FM Mods > Universal > Backup and restore manually.
- Dual Accounts: Not true sync just simultaneous app usage.
User Feedback
- Reddit: “Functional but clunky.”
- Quora: “Reliable for switching devices, but tedious.”
- User quote: “FM WhatsApp’s sync is okay for casual use, but it’s no match for Companion Mode.”
Limitations
- No true multi-device sync.
- Phone must stay online for Web.
- Manual error-prone backup/restore.
- Unstable no official support.
FM WhatsApp vs Official WhatsApp: Sync Comparison
Feature | FM WhatsApp v10.10 | Official WhatsApp |
---|---|---|
Multi-Phone Sync | Not supported | Up to four phones via Companion Mode |
WhatsApp Web Sync | Yes, phone must stay online | Yes, independent of phone |
Real-Time Sync | Web only manual for devices | Instant across all devices |
Encryption | Unverified, claims end-to-end | Verified end-to-end encryption |
Backup/Restore | Manual (Google Drive/local) | Automatic (Google Drive + local) |
Dual Accounts | Yes (different numbers) | Not supported |
Offline Functionality | No | Yes |
Stability/Support | Bug-prone, unofficial | Stable, with support |
Other WhatsApp Mods: How Do They Sync?
GB WhatsApp: Supports Web sync, claims multi-device but remains phone-dependent.
YO WhatsApp: Similar to FM, no multi-phone sync.
WhatsApp Aero: Basic sync features, focuses on UI enhancements.
No mod currently matches the sync robustness of official WhatsApp.
Risks of Using FM WhatsApp for Chat Sync
- Security Gaps: Encryption not officially verified.
- Ban Risk: WhatsApp may block mod users even with anti-ban patches.
- Malware Threats: APKs can contain viruses if downloaded from unsafe sites.
- Sync Instability: Frequent disconnections or failed backups.
- No Official Support: You’re on your own for bug fixes.
Mitigation Tips
- Use a secondary number.
- Download only from trusted sources.
- Scan APKs with antivirus software.
- Regularly backup chats manually.
How to Set Up FM WhatsApp for Syncing
- Backup Chats: FM Mods > Universal > Backup.
- Install FM WhatsApp: From a safe source.
- Enable Unknown Sources: Allow APK installation.
- Verify Number: Enter OTP and restore backup.
- WhatsApp Web: Visit the site on PC and scan QR with FM WhatsApp.
- Dual Accounts: Use FM and official WhatsApp with separate numbers.
- Transfer Chats: Restore on new device using previous backup.
Pro Tip: Keep your phone online for uninterrupted Web sync.
Should You Use FM WhatsApp for Multi-Device Sync?
Choose FM WhatsApp If:
- You love deep customization.
- You want dual-account usage.
- You can tolerate manual sync and potential bugs.
Choose Official WhatsApp If:
- You need secure, seamless syncing.
- You want your chats accessible across multiple phones and devices.
- You handle sensitive or professional communications.
Hybrid Approach: Use FM WhatsApp for casual or secondary use, official WhatsApp for everything else.
User Insights: What Are People Saying?
“FM WhatsApp’s Web sync is okay, but my phone has to be online it’s not like official WhatsApp.” Sarah M.
“Official WhatsApp’s Companion Mode is a lifesaver; I sync two phones and a laptop effortlessly.” Raj K.
“FM’s backups work for switching phones, but it’s a hassle compared to WhatsApp’s auto-sync.” Aisha T.
Final Verdict: FM WhatsApp vs Official WhatsApp Sync
So, can FM WhatsApp sync chats across multiple devices like official WhatsApp in 2025?
Not quite. FM WhatsApp v10.10 supports WhatsApp Web and manual chat transfers, but lacks the polished, multi-phone sync that official WhatsApp delivers via Companion Mode.