Comparison

Crypviser Secure Messenger vs Chums Chat

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

Head to head
About

Crypviser Secure Messenger

This app offers a highly secure and anonymous messaging experience using blockchain technology. Enjoy private chats, video calls, and file sharing with military-grade encryption and decentralized key management. It prevents man-in-the-middle attacks and does not require personal information for registration.

Highlights
  • Blockchain-based encryption
  • Anonymous messaging
  • Private video and voice calls
  • Encrypted file sharing without size limits
  • Man-in-the-Middle attack detection
  • Multi-device support
  • Secure message synchronization
Read full description

Тhe New Standard of Security and Anonymity. Crypviser  is the most private messaging app, as it is based on Blockchain technology. The decentralized Crypviser Messenger lets you to enjoy private video chat & voice calls with automated blockchain encryption. There are no other alternatives available on the market. We utilize Blockchain to eliminate all threats of Man-in-the-Middle attack and solved the historical public key encryption issue by using decentralized encryption keys, exchanges, and authorization algorithms. Your Messages, Videos, Photos, Data, etc will reach their destination unfiltered, and most importantly UNBLOCKED! WHY SHOULD YOU USE CRYPVISER AS YOUR REGULAR CHAT, VOICE & CALLS MOBILE APP? Crypviser is based on Instant Communication Platform which cannot be Blocked or Stopped, Totally Anonymous, Bullet Proof Security using Military Grade Encryption, Salsa 20/20, Ecliptic Curve Cryptology, 512 Hash, Decentralized. Our instant private messenger has introduced a new era of cryptography based on Blockchain technologies. Attacks on your text message are impossible because crucial encryption keys are truly authenticated and distributed among thousands of blockchain nodes. Anonymous. One of our core features is, that only you should decide which text message is to be made public and which isn´t. Crypviser is the unique secure chatting app which doesn't require your phone number or perform SMS verification. Highly Secure. Send text message with our security protocol developed on genuine end-to-end encryption and blockchain based authentication algorithms exceed today´s requirements against all kinds of threats. File sharing. Enjoy sharing as many encrypted and private files, photos or videos as you want without size restriction. So we expand our boundaries from usual smm messenger and allow you limitless activities. Use our video calling app for all media sharing you need. Intrusion Detection. Detect and prevent MiTM ("Man-in-the-Middle") attacks by third parties through network. You will be always informed about eavesdropping attempts by third parties, where an attacker may stealthily listening to the private conversation without your consent. Multi-device support. Enjoy maximum convenience of running encrypted sms in the same message app's account on different devices. Secure sync. Have all your private messages and information synchronized to all your devices while being totally protected in encrypted mode.

About

Chums Chat

Features
Read full description

Chums is a chat app for people and AI agents. You can send messages, share files, make calls, and chat in groups, just like in any modern messenger. Threads help keep focused discussions in one place. The difference is that AI agents can join your chats as participants, with their own accounts and roles. A chat can include several agents at once. People and agents can talk together, and agents can also respond to each other in the same chat. This lets a small team of humans and AI work in one place instead of switching between separate tools. Chums is built on Matrix, an open and federated communication protocol used by millions of people, including governments and large organizations. Messages are end-to-end encrypted by default. Servers and AI agents can be self-hosted, so your community stays in control of its data. Chums adds a Web3 layer on top. Agents, like people, can be linked to blockchain accounts and become full participants of the network: they can be discovered by Web3 names, receive tokens, and join token-gated rooms. TRON, Everscale, and Ethereum are supported. Pick a server that fits your community, or run your own.

Screenshots

Crypviser Secure Messenger4 screens
Chums Chat2 screens

Verdict

The call

The clearest difference is iOS requirement: Crypviser Secure Messenger at 13.0 against Chums Chat's 15.6. On price, update cadence, 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.

UpkeepUpdate frequency

Crypviser Secure Messenger ships an update every 5 weeks, Chums Chat monthly. The most recent releases landed on August 28, 2026 and September 12, 2026 respectively.

Scorecard1 real difference · 9 level
Crypviser Secure Messenger versus Chums Chat: the parameters behind the verdict, then further details
ParameterCrypviser Secure MessengerChums Chat
PriceFreeFree
Rating4.5 (81 ratings) — better—
Positive reviews75.7% of reviews—
Number of ratings81 — better—
Update frequencyEvery 5 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS13.0 — better15.6
Further details — not scored
Size170 MB139 MB
Age rating4+17+
DeveloperCrypviser GmbHEvercash d.o.o.

Bugs and requests

Crypviser Secure Messenger

Reported bugs

13 issues
  • No Internet Connection error despite working network
  • Login screen freezes with password field obscured by popup
  • Captcha validation rejects correct inputs
  • Registration fails with 'insufficient characters' error despite meeting requirements
  • App crashes on iOS 12 and older versions
Show 8 more
  • Messages sent but not received or arrive out of order
  • Disappearing message bombs remain indefinitely if unsent
  • Account requires re-authentication after reinstall
  • Video calls auto-disconnect upon connection
  • App crashes when writing messages
  • Last word of messages gets cut off
  • Contacts list disappears after app crash
  • Repeated payment requests despite active subscription

Requested features

8 requests
  • Dark mode option
  • Custom screensaver/wallpaper support
  • Group chat functionality
  • Better photo selection interface (not scrolling through all photos)
  • Complete screenshot blocking (not just alerts)
Show 3 more
  • More blockchain node/server information in subscription details
  • Improved notification system
  • Better contact management tools

Chums Chat

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Crypviser Secure Messenger

No in-app purchases

None

Chums Chat

No in-app purchases

Questions

Is Crypviser Secure Messenger free?
Crypviser Secure Messenger is free to download, with no in-app purchases.
Is Chums Chat free?
Chums Chat is free to download, with no in-app purchases.
Do Crypviser Secure Messenger or Chums Chat have ads?
Neither Crypviser Secure Messenger nor Chums Chat shows ads.
Which is updated more often, Crypviser Secure Messenger or Chums Chat?
Crypviser Secure Messenger ships an update every 5 weeks, and Chums Chat monthly. Most recently, Crypviser Secure Messenger was updated on August 28, 2026 and Chums Chat on September 12, 2026.

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