How group texts work on your phone
A group text is a single message thread that includes three or more people. When you send a message to a group, everyone in that group sees it and can reply. On iPhone, group texts use iMessage (if everyone has an Apple device) or SMS/MMS (if the group is mixed). On Android, the behavior depends on your default messaging app — Google Messages, Samsung Messages, or another app you've chosen.
The key difference from one-on-one texting is that replies go to everyone at once. If you send a message to a group of five people, all five see each reply as it comes in. This makes group texts useful for quick coordination — planning a dinner, confirming a time, or sharing news — but also means the thread can get long and noisy fast.
Key Takeaways
- To start a group text on iPhone, open Messages, tap the compose button, and add three or more contacts before typing your message.
- On Android with Google Messages, tap the compose button, select multiple contacts, and send — the app handles the group setup automatically.
- Group texts sent over regular SMS/MMS (not iMessage or RCS) may not show read receipts or typing indicators, and some phones may not display them as a single thread.
- You can mute notifications for a group text without leaving it, which silences alerts but keeps the conversation in your message list.
- Removing someone from a group text requires starting a new thread without them — there is no "remove member" button in standard SMS.
Starting a group text on iPhone
Open the Messages app and tap the compose button (the pencil and paper icon in the top right). Tap the "To:" field and type or select the first contact. As you add each person, their name appears as a bubble below the field. Add at least two more people — a group text needs three or more participants total, including you.
Once you have added everyone, tap in the message field and type your message. When you hit send, the message goes to all of them at once. If everyone in the group has an Apple device and iMessage is on, the thread will show as iMessage (blue bubbles). If even one person has an Android phone or iMessage is off, the group will send as MMS (green bubbles), which means no read receipts and slower delivery.
Starting a group text on Android
Open your default messaging app — usually Google Messages, Samsung Messages, or another app you have set as default. Tap the compose or new message button. Select the first contact, then tap the plus icon or "add contact" option to add more people. Add at least two more people so the thread counts as a group.
Type your message and send. If your app supports RCS (Rich Communication Services), the group will have features like read receipts and typing indicators. If the group includes someone without RCS or on an older phone, the message will fall back to standard SMS, and those features will not work.
Managing who sees what in a group text
Once a group text is active, everyone in it can see every message and every reply. There is no way to send a message to only some people in the group without starting a separate thread. If you want to exclude someone from future messages, you have to create a new group without them.
You can mute a group text so notifications stop appearing on your lock screen and in your notification center. On iPhone, swipe left on the group thread and tap "Hide Alerts." On Android, long-press the group thread, tap the three dots, and select "Mute notifications." The conversation stays in your message list — you just will not hear about new messages unless you open the app.
What happens when someone leaves or is added
If someone leaves a group text, they stop receiving messages and their replies no longer appear. On iPhone, they can tap "Leave this Conversation" at the top of the thread. On Android, they can long-press the thread and select "Delete" or "Leave" (depending on the app). Once they leave, the group shrinks — if it drops below three people, it becomes a one-on-one conversation.
Adding someone new to an existing group text is not possible in standard SMS. You have to start a new group thread that includes the new person. Some messaging apps like WhatsApp or Telegram do allow you to add people to an existing group, but those are separate apps, not your phone's built-in Messages app.
Why group texts sometimes look broken
Group texts sent as MMS (green bubbles on iPhone, or standard SMS on Android) do not always display as a single thread on every phone. Some older Android phones or certain carriers may show each message as a separate one-on-one conversation instead of grouping them together. This is a carrier and phone limitation, not something you can fix on your end.
Read receipts and typing indicators also depend on the type of message. iMessage groups (blue bubbles) show when someone is typing and when they have read your message. MMS and standard SMS groups do not. If your group is mixed between iPhone and Android, you will lose these features because the message has to send as MMS to reach everyone.
Privacy and security in group texts
Group texts sent over regular SMS or MMS are not encrypted. Anyone with access to your phone can read the entire conversation. If privacy matters for what you are discussing — sensitive information, financial details, or anything you would not want shared — consider using a messaging app like Signal, WhatsApp, or Telegram instead, which offer end-to-end encryption for groups.
Keep in mind that even in an encrypted group, the people in the group can still screenshot messages and share them elsewhere. Encryption protects the message in transit and at rest on your phone, but it does not prevent someone from taking a picture of their screen and sending it to someone else.
Frequently Asked Questions
Can I send a message to just some people in a group text without starting a new thread?
No. Every message you send in a group thread goes to everyone in that group. If you want to message only some of them, you have to start a separate conversation. There is no way to reply privately to one person within a group text using your phone's built-in Messages app.
What is the difference between iMessage groups and SMS groups?
iMessage groups (blue bubbles on iPhone) show read receipts, typing indicators, and high-quality photos. SMS groups (green bubbles) do not have these features and may be slower. If your group has even one Android phone, the whole group drops to SMS. You cannot force a group to stay as iMessage.
If I mute a group text, will people know I am not reading their messages?
No. Muting only silences notifications on your phone. If the group has read receipts enabled (iMessage or RCS), people will still see when you have read the message — muting does not hide that. If you want to read messages without showing a read receipt, you have to turn off read receipts in your messaging app settings.
Why do some people in my group text not see my messages?
This usually means their phone number or contact information is wrong, their carrier is blocking the message, or they have turned off group messaging in their settings. Ask them to check that group messaging is on in their Messages app settings. If it is, the problem is likely on their carrier's end, and they should contact their phone company.
Can I add someone to a group text after it has already started?
Not in your phone's built-in Messages app. You have to start a new group thread that includes the new person and copy over any important information from the old thread. If you use a third-party app like WhatsApp or Telegram, you can add people to an existing group, but those are separate apps with their own contacts and settings.