Comparison

IMMUNE Messenger vs CollaChat

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • End-to-end encrypted messaging
  • P2P voice and video calls
  • Built-in Bitcoin wallet
  • Direct Bitcoin transfers
  • Ad-free experience
  • File and media sharing
Features
Read full description

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.

About

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.

Highlights
  • 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
Read full description

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

IMMUNE Messenger4 screens
CollaChat4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

IMMUNE Messenger ships an update every 6 weeks, CollaChat every 2 months. Both last shipped on November 3, 2026.

ScorecardNo meaningful differences
IMMUNE Messenger versus CollaChat: the parameters behind the verdict, then further details
ParameterIMMUNE MessengerCollaChat
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.514.0 — better
Further details — not scored
Size88 MB288 MB
Age rating17+4+
DeveloperIMM Money Messenger LimitedCURL TECH PTE. LTD.

Customer experience

IMMUNE Messenger

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

CollaChat

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

IMMUNE Messenger

No in-app purchases

None

CollaChat

No in-app purchases

Questions

Is IMMUNE Messenger free?
IMMUNE Messenger is free to download, with no in-app purchases.
Is CollaChat free?
CollaChat is free to download, with no in-app purchases.
Which has better reviews, IMMUNE Messenger or CollaChat?
IMMUNE Messenger and CollaChat are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do IMMUNE Messenger or CollaChat have ads?
Neither IMMUNE Messenger nor CollaChat shows ads.
Which is updated more often, IMMUNE Messenger or CollaChat?
IMMUNE Messenger ships an update every 6 weeks, and CollaChat every 2 months. Most recently, IMMUNE Messenger was updated on November 3, 2026 and CollaChat on November 3, 2026.

Other comparisons