IMMUNE Messenger vs CollaChat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IMMUNE Messenger
This secure messaging app offers end-to-end encrypted chats and calls, with a built-in crypto wallet for easy Bitcoin transfers directly within conversations. It prioritizes user privacy by not storing data on servers, ensuring all communications remain on your device.
- End-to-end encrypted messaging
- P2P voice and video calls
- Built-in Bitcoin wallet
- Direct Bitcoin transfers
- Ad-free experience
- File and media sharing
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IMMUNE is an innovative, new messenger with a built-in crypto wallet, a high degree of security and protection for your data. The built-in crypto wallet allows you to easily and quickly transfer to your friends and business partners - sending and receiving bitcoins directly from the chat. IMMUNE does not store personal correspondence and contacts on its servers, all data remain on your device. All correspondence is protected with end-to-end encryption using strong, proven algorithms (ECIES, AES256). IMMUNE contains all the usual messenger functions: Sending text and voice messages Voice and video calls Sending and receiving files of any type Sending and receiving images and videos Sending and receiving contacts from the address book The IMMUNE crypto wallet allows you to: Store bitcoins on the mobile device Transfer bitcoins to other people by phone number or a wallet address Restore the wallet using a secret phrase when reinstalling the app or changing the phone number IMMUNE uses the technology that allows you to connect to your companion directly bypassing intermediate servers, which gives high quality calls without interference and distortion. IMMUNE is an ad-free application. Just you and your partners in conversation, no annoying banners or pop-up windows.
CollaChat
A decentralized, open-source messaging app focused on privacy and data security. It leverages blockchain technology for peer-to-peer communication, offering end-to-end encryption and user control over data storage.
- Decentralized communication network
- End-to-end message encryption
- Open-source client and server
- Multi-device support (Web/Mobile/Desktop)
- Group chats and calls
- Message self-destruction and recall
- Contact and chat locking
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CollaChat is an open source private and decentralized messaging app owned by no one and everyone. It is aimed to leverage blockchain technology to put users back in control of their digital communication, while preserve user experiences that they know and love. Distinguished from the traditional messaging apps, CollaChat has three most important features which revolutionize the communication infrastructure: - Decentralized Colla Network is an unstoppable Web3 decentralized peer-to-peer communication and storage network, Colla DApp (e.g. CollaChat) connects to it via Colla Node. There is no centralized storage and control of user data, users can specify which Node(s) or even easily setup own Node(s) to connect to. - End-to-End Encrypted All messages are end-to-end encrypted, only author and intended recipients can see the content. - Open Source Both Colla Network client side (i.e. Colla DApp, e.g. CollaChat) and server side (i.e. Colla Node) are free and open source for anyone to download, install, run and build own deployment. CollaChat supports Web/Mobile/Desktop and Multi-device. It has most popular messaging and social functions: - Chat (supports text, emoji, voice, photo, video, file, card, supports group chat, supports offline messaging) - Voice/Video Call (supports group call) - Collection & Note - Channel Moreover, it provides some useful privacy protection functions: - Message Self-destruction - Message Recall - Contact/Chat Lock
Screenshots
Verdict
IMMUNE Messenger and CollaChat are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for IMMUNE Messenger against 5.0 for CollaChat. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
IMMUNE Messenger ships an update every 6 weeks, CollaChat every 2 months. Both last shipped on November 3, 2026.
| Parameter | IMMUNE Messenger | CollaChat |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.5 | 14.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 288 MB |
| Age rating | 17+ | 4+ |
| Developer | IMM Money Messenger Limited | CURL TECH PTE. LTD. |
Customer experience
IMMUNE Messenger
CollaChat
In-app purchases
IMMUNE Messenger
No in-app purchases
CollaChat
No in-app purchases
Questions
Is IMMUNE Messenger free?
Is CollaChat free?
Which has better reviews, IMMUNE Messenger or CollaChat?
Do IMMUNE Messenger or CollaChat have ads?
Which is updated more often, IMMUNE Messenger or CollaChat?
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