Comparison

CollaChat vs LNK Chats

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

Head to head
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

About

LNK Chats

A secure messaging application focused on user privacy. It offers end-to-end encryption to ensure conversations are only readable by participants, with no third-party access or data tracking.

Highlights
  • End-to-end encryption
  • Private conversations
  • No third-party access
  • No data tracking
  • Ad-free experience
Read full description

Lock & Key Chats is a simple, secure messaging app designed to protect your privacy.  With end-to-end encryption, only you and your recipient can read your messages—no third parties, no ads, no data tracking. Stay connected with confidence, knowing your conversations are truly private.

Screenshots

CollaChat4 screens
LNK Chats4 screens

Verdict

The call

The clearest difference is update cadence: LNK Chats at every 9 days against CollaChat's every 2 months. LNK Chats also leads on ratings volume (3 vs 1). CollaChat's advantage is device support (4 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

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 CollaChat against 5.0 for LNK Chats. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

CollaChat ships an update every 2 months, LNK Chats every 9 days. Both last shipped on November 3, 2026.

Scorecard3 real differences · 7 level
CollaChat versus LNK Chats: the parameters behind the verdict, then further details
ParameterCollaChatLNK Chats
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews100.0% of reviews—
Number of ratings13 — better
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPod
Requires iOS14.0 — better15.6
Further details — not scored
Size288 MB24 MB
Age rating4+4+
DeveloperCURL TECH PTE. LTD.Javier Gomez

Customer experience

CollaChat

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

LNK Chats

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CollaChat

No in-app purchases

None

LNK Chats

No in-app purchases

Questions

Is CollaChat free?
CollaChat is free to download, with no in-app purchases.
Is LNK Chats free?
LNK Chats is free to download, with no in-app purchases.
Which has better reviews, CollaChat or LNK Chats?
CollaChat and LNK Chats are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do CollaChat or LNK Chats have ads?
Neither CollaChat nor LNK Chats shows ads.
Which is updated more often, CollaChat or LNK Chats?
CollaChat ships an update every 2 months, and LNK Chats every 9 days. Most recently, CollaChat was updated on November 3, 2026 and LNK Chats on November 3, 2026.

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