How to Make a Group Chat on Messages (iPhone & Android)

Group chats are one of the most practical features built into smartphone messaging apps — and whether you're coordinating a family trip, managing a work project, or just keeping up with friends, knowing how to set one up correctly makes a real difference in how smoothly it runs.

The process varies depending on your device, operating system, and the messaging app you're using. Here's a clear breakdown of how it works across the most common setups.

What "Messages" Actually Means Depends on Your Device

The app called Messages isn't the same thing on every phone. This is one of the most common points of confusion.

  • On iPhone, Messages is Apple's built-in app that handles both iMessage (Apple's own messaging protocol) and standard SMS/MMS.
  • On Android, Messages typically refers to Google Messages, which supports SMS/MMS and RCS (Rich Communication Services).

These two apps work differently, use different protocols, and have slightly different group chat setups. Knowing which one you're using is the first step.

How to Start a Group Chat on iPhone (iMessage / SMS)

📱 On iPhone, creating a group chat takes just a few taps:

  1. Open the Messages app.
  2. Tap the compose icon (pencil and paper) in the top-right corner.
  3. In the To: field, type the name, phone number, or email address of the first person you want to add.
  4. Tap the + button or continue typing to add more recipients — you can add up to 32 people in an iMessage group.
  5. Type your message and tap Send.

If all participants are using Apple devices with iMessage enabled, the group chat will run as an iMessage group — shown in blue, with features like message reactions, thread replies, and the ability to name the group and set a photo.

If any participant is on Android or doesn't have iMessage active, the conversation falls back to MMS — shown in green, with fewer features and potential limitations depending on carrier support.

Naming a Group Chat on iPhone

Once a group chat is active (and everyone is on iMessage), you can give it a name:

  1. Open the group conversation.
  2. Tap the group icons at the top of the screen.
  3. Select Change Name and Photo.
  4. Enter a group name and optionally choose an image.

This option only appears when all members support iMessage. MMS group chats don't support custom names.

How to Start a Group Chat on Android (Google Messages)

On Android using Google Messages, the process is similar:

  1. Open the Messages app.
  2. Tap the compose icon (usually a pencil or chat bubble icon).
  3. In the recipient field, add multiple contacts — either by typing names or selecting from your contacts list.
  4. Once you've added at least two recipients, type your message and hit Send.

Google Messages will automatically create a group MMS if RCS isn't available for all participants, or an RCS group chat if everyone in the thread has RCS enabled.

RCS vs. MMS: Why It Matters for Group Chats

RCS (Rich Communication Services) is the modern standard that Google Messages uses when available. Compared to traditional MMS, RCS group chats support:

FeatureMMS Group ChatRCS Group Chat
Typing indicators
Read receipts
High-res photo sharingLimited
Reactions/emoji responses
Group naming
Wi-Fi sending

RCS requires carrier support and must be enabled on all participants' devices to work fully. If someone in the group is on an older phone, a carrier that doesn't support RCS, or an iPhone (without iOS 18's RCS support), the group chat may fall back to MMS.

Cross-Platform Group Chats: The Friction Point

One of the most commonly misunderstood areas is what happens when iPhone and Android users are in the same group chat using the native Messages apps.

  • iMessage cannot communicate directly with Google Messages using Apple's protocol.
  • When an iPhone user creates a group that includes Android users, the chat runs over MMS — not iMessage.
  • This means green bubbles on iPhone, no iMessage features, and potential issues with long messages, media quality, and delivery reliability depending on carrier.

Apple introduced RCS support in iOS 18, which improves cross-platform group chats by allowing iPhones to participate in RCS conversations with Android users. However, the experience still differs from a native iMessage group, and features vary based on device and carrier.

Variables That Affect Your Group Chat Experience

The quality and features of your group chat aren't just about which app you open — several factors shape what's actually possible:

  • Operating system version — older iOS or Android versions may not support RCS or newer iMessage features
  • Carrier support — not all carriers have enabled RCS, particularly on older plans or in certain regions
  • All participants' devices — a single participant on an unsupported platform can downgrade the entire group's experience
  • App version — Google Messages and Apple Messages both update regularly; features may not be available on outdated versions
  • Wi-Fi vs. cellular — RCS works over Wi-Fi; MMS typically requires a cellular data connection

🔧 If your group chat isn't behaving as expected — missing reactions, no typing indicators, or media sending as links — the most likely culprit is a mismatch in one of these variables somewhere in the group.

Managing and Leaving Group Chats

Once a group is running, both platforms offer basic management tools:

  • Mute notifications without leaving the group
  • Leave a conversation (available in iMessage groups; RCS groups on Android also support this)
  • Remove participants — possible in iMessage if you created the group; limited in MMS threads
  • Add new members — supported in iMessage and RCS, but not in standard MMS

Traditional MMS groups have the most limitations here. If someone is added to an MMS thread late, they typically won't see previous messages — a known limitation of the protocol.

What works smoothly for one setup — a close-knit group all on recent iPhones, for example — may feel clunky in another, like a mixed group spanning different carriers, devices, and OS versions. The gap between what the feature can do and what it will do in your specific situation almost always comes down to what's running on everyone else's phone.