Understanding the Difference Between iMessage, RCS, SMS, MMS, and Third-Party Messaging Apps
In today’s mobile world, we have more ways than ever to communicate. While traditional messaging formats like SMS and MMS are still around, newer systems like iMessage, RCS, and third-party apps like WhatsApp and Facebook Messenger offer advanced features like read receipts, media sharing, and encryption. But what really separates them? Let’s break it down.
1. SMS (Text Message)
• Traditional text messaging
• Works on any phone
• No internet required
• No photos, videos, or special features
2. MMS (Picture/Media Message)
• Lets you send photos, videos, or longer messages
• Uses mobile/plan data
• Works on most phones
• Media quality is limited
3. iMessage (Apple Only)
• Only works between Apple devices (iPhone, iPad, Mac)
• Can be used with Wi-Fi or mobile/plan data
• Lets you send photos, videos, voice notes, reactions, and more
• Messages are encrypted for privacy
• Blue bubbles = iMessage, Green bubbles = SMS/MMS/RCS
4. RCS (Android Messaging Upgrade)
• Works between all Android phones or with Android to iOS with iOS 18.4 or later installed
• Can be used with Wi-Fi or mobile/plan data
• Lets you send photos, videos, and see when someone’s typing
• Must be enabled on both phones to work
5. WhatsApp (Third-Party App)
• Uses Wi-Fi or mobile/plan data
• Works on iPhone, Android, and computer
• Send texts, photos, videos, voice messages, and make voice/video calls
• Requires both people to have the app
• Useful when travelling or contacting people outside of Lüm's coverage area
6. Facebook or Instagram Messenger (Third-Party App)
• Free app that works with Facebook or Instagram
• Uses Wi-Fi or mobile/plan data
• Send messages, photos, videos, voice notes, and make calls
• Requires both people to have the app
• Useful when travelling or contacting people outside of Lüm's coverage area