Comparison

Crypviser Secure Messenger vs ZERO Messenger

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

ZERO Messenger

A secure and private messaging app built on decentralized architecture. It offers end-to-end encryption, Web3 integration, and no ads or surveillance. Reclaim your digital rights with this free, anonymous communication tool.

Highlights
  • Decentralized architecture
  • End-to-end encryption
  • Web3 wallet login
  • Token-gated chats
  • Cross-device access
  • No phone number required
  • Sleek and minimal design
Features
Read full description

Decentralized messaging for everyone. ZERO Messenger is secure, private, and free. No ads, no surveillance – reclaim your digital rights with ZERO. Decentralized - ZERO Messenger is built on decentralized architecture. Encrypted data is hosted on and shared between ZODEs; you can choose which ZODE will host your account, or you can run one of your own! Private - All conversations are end-to-end encrypted. No ads, no surveillance, completely anonymous; users are not required to provide personal data to create an account. Web3-Native - ZERO Messenger boasts Web3 (Ethereum) wallet login, identity verification with ZERO ID, the ability to create and join token-gated chats, and more. All Your Devices - Available on Web and Mobile. Access your conversations on all your devices. Secure Conversations of Any Size - Collaborate and share with individuals or groups of people in private, encrypted conversations. No Phone Number Required - Sign up with an Ethereum wallet and verify your identity with a ZERO ID. Sleek and Minimal - Designed with simplicity and ease of use in mind. Who are we? ZERO is a small startup empowering the citizens of our digital age with Web3 and decentralized technology. ZERO apps are built according to our values: Sovereignty, Decentralization, Security, Open Source, and Censorship Resistance.

Screenshots

Crypviser Secure Messenger4 screens
ZERO Messenger4 screens

Verdict

The call

The clearest difference is update cadence: ZERO Messenger at weekly against Crypviser Secure Messenger's every 5 weeks. Crypviser Secure Messenger's advantage is ratings volume (81 vs 15) and iOS requirement (13.0 vs 18.5). On price, rating, review sentiment and ads 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

ZERO Messenger holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Crypviser Secure Messenger has 81 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 76% of Crypviser Secure Messenger's written reviews are positive against 78% of ZERO Messenger's.

UpkeepUpdate frequency

Crypviser Secure Messenger ships an update every 5 weeks, ZERO Messenger weekly. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level
Crypviser Secure Messenger versus ZERO Messenger: the parameters behind the verdict, then further details
ParameterCrypviser Secure MessengerZERO Messenger
PriceFreeFree
Rating4.5 (81 ratings)4.7 (15 ratings) — better
Positive reviews75.7% of reviews77.8% of reviews — better
Number of ratings81 — better15
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.5
Further details — not scored
Size170 MB248 MB
Age rating4+4+
DeveloperCrypviser GmbHZero to Infinity, Inc.

Customer experience

Crypviser Secure Messenger

All ratings80 ratings
Positive91.3%
Neutral1.3%
Negative7.5%
Written reviews111 reviews
Positive75.7%
Neutral2.7%
Negative21.6%

ZERO Messenger

All ratings15 ratings
Positive93.3%
Neutral0.0%
Negative6.7%
Written reviews9 reviews
Positive77.8%
Neutral0.0%
Negative22.2%

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

ZERO Messenger

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Crypviser Secure Messenger

No in-app purchases

None

ZERO Messenger

No in-app purchases

Questions

Is Crypviser Secure Messenger free?
Crypviser Secure Messenger is free to download, with no in-app purchases.
Is ZERO Messenger free?
ZERO Messenger is free to download, with no in-app purchases.
Which has better reviews, Crypviser Secure Messenger or ZERO Messenger?
ZERO Messenger is rated higher. Crypviser Secure Messenger averages 4.5 out of 5 from 81 ratings, while ZERO Messenger averages 4.7 from 15 ratings.
Do Crypviser Secure Messenger or ZERO Messenger have ads?
Neither Crypviser Secure Messenger nor ZERO Messenger shows ads.
Which is updated more often, Crypviser Secure Messenger or ZERO Messenger?
Crypviser Secure Messenger ships an update every 5 weeks, and ZERO Messenger weekly. Most recently, Crypviser Secure Messenger was updated on October 11, 2026 and ZERO Messenger on October 16, 2026.

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