Zangi is a private messaging app that encrypts your conversations end-to-end
Zangi is a mobile messaging application that lets you send text messages, make calls, and share files over the internet instead of through your phone's standard text and calling plan. The app encrypts everything you send — meaning the messages are scrambled so that only you and the person receiving them can read them. Zangi works on both iPhone and Android phones, and you download it free from the App Store or Google Play.
The app is built around privacy. When you send a message through Zangi, the company's servers do not store a copy of what you wrote, and Zangi says it cannot read your messages even if law enforcement asks. This is different from apps like WhatsApp or Signal, which also encrypt messages but store some metadata (like who messaged whom and when). Zangi keeps less of that information.
You create an account using your phone number, and then you can message anyone else who has Zangi installed. The app works over WiFi or mobile data, so you do not need a texting plan to use it.
Key Takeaways
- Zangi encrypts all messages end-to-end, meaning only you and the recipient can read what you send.
- The app does not store copies of your messages on its servers and does not collect the metadata that other messaging apps do.
- You sign up with your phone number and can message anyone else using Zangi, over WiFi or mobile data.
- Zangi works on iPhone and Android and is free to download, though you need an internet connection to send and receive messages.
How to download and set up Zangi
Download Zangi from the App Store if you use iPhone, or from Google Play if you use Android. Open the app and enter your phone number. Zangi will send you a verification code by text message — enter that code into the app to confirm your number. You can then set a username and profile picture if you want, though both are optional.
Once you are set up, you can start messaging anyone who also has Zangi. You do not need to add them as a contact first — if you know their Zangi username or phone number, you can search for them and start a conversation. The app will also show you which of your existing phone contacts have Zangi installed.
Zangi works best when you have a stable internet connection, either WiFi or mobile data. If you lose connection, messages you send will queue up and send once you are back online.
What Zangi can and cannot do
Zangi lets you send text messages, voice messages, photos, videos, and files to other users. You can also make voice calls and video calls through the app. All of these are encrypted end-to-end. You can create group chats with multiple people, and those conversations are encrypted too.
Zangi does not work like a standard text message. You cannot text someone who does not have the app installed — both people need Zangi for the message to go through. If you want to reach someone without the app, you would need to use your phone's standard messaging or call them the regular way.
The app also does not replace your phone number or SIM card. Zangi is a separate service that runs on top of your existing phone plan. You still have your regular phone number for calls and texts, and Zangi is just another app on your phone.
Privacy and encryption explained simply
End-to-end encryption means that your message is scrambled the moment you hit send, and it stays scrambled until the other person opens it. Zangi's servers handle the delivery, but they cannot read the message because they do not have the key to unscramble it. Only your phone and the recipient's phone have that key.
This is different from regular text messages, which your phone carrier can read and which are stored on their servers. With Zangi, even if someone hacked Zangi's servers, they would not find readable copies of your messages.
Zangi also does not collect as much information about your behavior as some other apps do. It does not track which contacts you message most, or build a profile of your messaging habits to sell to advertisers. The company says it stores almost no metadata, though it does keep your phone number and account information so you can log back in.
Zangi versus other messaging apps
Several popular messaging apps offer encryption: WhatsApp, Signal, and Telegram all encrypt messages. The main difference with Zangi is how much information the company keeps about you. WhatsApp and Signal store metadata like who you messaged and when. Telegram does not encrypt messages by default — you have to turn on "secret chats" for encryption, and group chats are never encrypted.
Zangi's approach is to keep as little information as possible. It does not store your messages, and it says it stores minimal metadata. If privacy and avoiding data collection are your main concerns, Zangi takes a stricter approach than WhatsApp or Signal.
The trade-off is that Zangi is less widely used than WhatsApp or Signal. If most of your contacts use WhatsApp, you may find Zangi less practical because you would need to convince people to install a second app just to message you.
Common reasons people use Zangi
People use Zangi for different reasons depending on their situation. Some use it because they want stronger privacy protections than standard text messaging or other apps offer. Others use it because they want to avoid data collection and targeted advertising. Some people use it in countries where messaging apps are monitored or restricted, because Zangi's design makes it harder to track who is messaging whom.
Journalists, activists, and people in sensitive professions sometimes use Zangi for work communications. Business users may use it for confidential conversations that they do not want stored on company servers. And some people simply prefer it because they like the interface or the way the app works.
Zangi is also sometimes used by people who want a messaging app that does not require them to share as much personal information. Unlike some apps, Zangi does not ask for your email address or require you to link a social media account.
Potential drawbacks and limitations
Zangi requires an internet connection to work, so you cannot use it in areas without WiFi or mobile data. If you are traveling internationally or in a remote area, you may not be able to send or receive messages until you have connectivity again.
The app is also less popular than WhatsApp, Signal, or Telegram, which means fewer of your contacts may have it installed. If you want to message someone and they do not use Zangi, you will need to use a different app or method.
Zangi is a smaller company than Meta (which owns WhatsApp) or the Signal Foundation, so it has fewer resources for customer support and updates. If you run into a problem, you may have a harder time getting help than you would with a larger app.
Frequently Asked Questions
Is Zangi really free?
Yes, Zangi is free to download and use. You do not pay a subscription or per-message fee. The app makes money through optional features and premium services, but basic messaging is always free.
Can the government read my Zangi messages?
Zangi's encryption makes it technically very difficult for anyone, including governments, to read your messages without your password. However, no encryption is unbreakable, and laws vary by country. Zangi cannot hand over your messages because it does not store them, but it can be forced to hand over your account information like your phone number.
What happens if I delete Zangi and reinstall it?
When you reinstall Zangi, you log back in with your phone number and the verification code. Your old messages will not be there — Zangi does not store them on servers, so they are gone once you delete the app. Your contacts will still be able to message you once you reinstall.
Can I use Zangi on a computer or tablet?
Zangi is designed for phones and is available on iPhone and Android. There is no official version for computers or tablets, though you may be able to use it on a tablet if it has cellular service or WiFi.
Is Zangi safe to use?
Zangi uses strong encryption and does not store your messages, which makes it safer than standard text messaging in terms of privacy. However, like any app, it depends on you keeping your phone secure and not sharing your password. If someone gains access to your phone, they can read your Zangi messages.