Comparison

Crypviser Secure Messenger vs tmchat

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

tmchat

This messenger app allows users to make voice calls, send messages, and share various file types. It offers a user-friendly interface and is available in Turkmen, Russian, and English. The application is continuously updated with new features.

Highlights
  • Voice calls
  • Messaging
  • Group chats
  • File sharing (audio, video)
  • Multilingual support (Turkmen, Russian, English)
Features
Read full description

"tmchat"- bu habar alyşmak niýetli programma. Onuň amatly we örän düşnükli interfeýsi, size şu mümkinçilikleri berýär: -Jaň etmek we kabul etmek; -Habar alyşmak we köpçülikleýin(gruppa-toparlaýyn) çatlarynda ýazyşmak; -Audio, Wideo we başga görnüşli faýllary ugratmak we kabul etmek; "tmchat" - programmasyna hemişe täze funksiýalar goşulýar we döredijiler tarapyndan özgerdilýär. Size, ony ulanmak üçin gerek bolan esasy zat, internet ulgamyna baglanmak. "tmchat" programmasyny Türkmen, Rus we Iňlis dillerinde ulanmak mümkindir. Ýenede belläp geçmeli zat. Siziň ulanýan internet ulgamynyň operatory, sizden "Internet-trafik" üçin töleg alyp biler. Bu programma ÝPGJ "Altyn Asyr"Türkmenistan, müşderileri üçin döredilen. tmchat. «tmchat» – это приложение-мессенджер. Удобный и интуитивно понятный интерфейс даёт возможность:

- Совершать и принимать голосовые вызовы внутри приложения;
- Обмениваться сообщениями и вести групповые беседы (чаты);
- Отправлять и принимать аудио-, видео- и прочие файлы.
 tmchat – это приложение, которое все время совершенствуется и добавляются новые функции. Всё, что для этого необходимо, – наличие подключения к сети Интернет.

* Приложение доступно на туркменском, русском и английском языках.

** Следует отметить, что оператор, чьим интернетом Вы пользуетесь, может взимать плату за Интернет-трафик.

*** Приложение разработано для абонентов ЗАО "Алтын Асыр" Туркменистан. tmchat. "tmchat" is a messenger application. The user-friendly and intuitive interface makes it possible: - Make and receive voice calls inside the app; - Exchange messages and conduct group conversations (chats); - Send and receive audio, video and other files. "tmchat" is an application that is constantly being improved and new features are being added. All that is needed for this is an Internet connection. * The application is available in Turkmen, Russian and English. ** It should be noted that the operator whose Internet you use may charge for Internet traffic. *** The application is developed for abonents of CJSC "Altyn Asyr" Turkmenistan.

Screenshots

Crypviser Secure Messenger4 screens
tmchat4 screens

Verdict

The call

The clearest difference is review sentiment: Crypviser Secure Messenger at 76% against tmchat's 22%. Crypviser Secure Messenger also leads on rating (4.5 vs 2.0) and update cadence (every 5 weeks vs every 7 months). On price, ads, in-app purchases and monetization model 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

Crypviser Secure Messenger holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: Crypviser Secure Messenger has 81 ratings behind it against 6, 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 22% of tmchat's.

UpkeepUpdate frequency

Crypviser Secure Messenger ships an update every 5 weeks, tmchat every 7 months. The most recent releases landed on August 28, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
Crypviser Secure Messenger versus tmchat: the parameters behind the verdict, then further details
ParameterCrypviser Secure Messengertmchat
PriceFreeFree
Rating4.5 (81 ratings) — better2.0 (6 ratings)
Positive reviews75.7% of reviews — better22.2% of reviews
Number of ratings81 — better6
Update frequencyEvery 5 weeks — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.013.0
Further details — not scored
Size170 MB72 MB
Age rating4+17+
DeveloperCrypviser GmbHALTYN ASYR CJSC

Customer experience

Crypviser Secure Messenger

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

tmchat

All ratings6 ratings
Positive16.7%
Neutral16.7%
Negative66.7%
Written reviews18 reviews
Positive22.2%
Neutral5.6%
Negative72.2%

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

tmchat

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Crypviser Secure Messenger

No in-app purchases

None

tmchat

No in-app purchases

Questions

Is Crypviser Secure Messenger free?
Crypviser Secure Messenger is free to download, with no in-app purchases.
Is tmchat free?
tmchat is free to download, with no in-app purchases.
Which has better reviews, Crypviser Secure Messenger or tmchat?
Crypviser Secure Messenger is rated higher. Crypviser Secure Messenger averages 4.5 out of 5 from 81 ratings, while tmchat averages 2.0 from 6 ratings.
Do Crypviser Secure Messenger or tmchat have ads?
Neither Crypviser Secure Messenger nor tmchat shows ads.
Which is updated more often, Crypviser Secure Messenger or tmchat?
Crypviser Secure Messenger ships an update every 5 weeks, and tmchat every 7 months. Most recently, Crypviser Secure Messenger was updated on August 28, 2026 and tmchat on September 21, 2026.

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