Comparison

Flex Messenger vs Frisbee Messenger

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

Head to head
About

Flex Messenger

A fast, secure, and free communication app that syncs across all devices. Send unlimited messages, documents, voice memos, images, and videos. Enjoy private group chats and make free HD calls.

Highlights
  • Unlimited messaging
  • File sharing (any type)
  • Large group chats
  • Free HD voice and video calls
  • Cross-device sync
  • End-to-end encryption
Features
Read full description

Flex is a communication app with a focus on speed and security. It’s super-fast, simple, secure and free. Flex seamlessly syncs across all of your devices and can be used on desktops, tablets and phones alike. You can send an unlimited amount of messages, documents of any type (.doc, .zip, .pdf, etc.), voice memos, images and videos. Flex groups doesn't have any limits. Why use Flex? • 100% FREE & NO ADS: Flex will be free forever. We are not going to sell any kind ads or introduce subscription fees. • PRIVATE: No one can contact with you without knowing your exact contact information. Also we are not going to analyze or sell your social graph or any stats based on your communications. • SECURE: We made it our mission to provide the best security among open people-friendly messengers. • FAST: Flex also is very fast. We use newest technology for providing best communication speed. • GROUP CHAT & SHARING: With Flex, you can form large group chats of any size, quickly share large documents (.doc, .ppt, .zip, etc.) and videos, and send an unlimited amount of photos to your partners. • FREE CALLS: Make free phone and video calls with HD sound quality.

About

Frisbee Messenger

This secure messenger facilitates internal communication for organizations. It allows employees and partners to create social spaces, exchange messages, files, and documents, and manage user accounts and access.

Highlights
  • Invitation-only access
  • Create social spaces and groups
  • Exchange messages, files, and documents
  • Assign user roles and manage accounts
  • Information channels for announcements
  • Audio conferences
Read full description

Frisbee is a closed-loop corporate communications platform designed specifically for businesses and government agencies with rigorous requirements for information security and data sovereignty. To request temporary access and explore the messenger's features, please email info@frisbee.chat. Developed for large entities, Frisbee is restricted to employee and partner use and requires an invitation from authorized company staff to gain access. Frisbee offers a unified, all-inclusive platform, delivered as a single licensed software product, providing a comprehensive working environment that includes: Corporate messenger: create spaces with chats, as well as information channels, send text and voice messages, make calls and share files in different formats. Built-in video conferencing: connect 250+ participants and host webinars. Back office (admin panel): manage user accounts, assign roles and control access to sensitive corporate information, ensuring compliance with established company rules. Integrated AI assistant: automate tasks and workflows across your chats and video conferences. Built-in calendar: sync events with external calendars. In-house video hosting: store and share corporate videos within the closed-loop FrisbeeTube portal. In-house task manager: create and assign tasks, and track their status directly within the messenger using the FrisbeeFlow manager. Who developed Frisbee? Frisbee was developed by Klaud Atlas LLC. Specializing in developing comprehensive IT solutions for government agencies and businesses. Website: https://frisbee.chat/

Screenshots

Flex Messenger4 screens
Frisbee Messenger4 screens

Verdict

The call

The clearest difference is update cadence: Frisbee Messenger at monthly against Flex Messenger's every 6 months. Frisbee Messenger also leads on ratings volume (3 vs 1). Flex Messenger's advantage is iOS requirement (8.0 vs 14.0). 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

On the App Store both sit at effectively the same score — 5.0 for Flex Messenger against 5.0 for Frisbee Messenger. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 80% of Flex Messenger's written reviews are positive against 88% of Frisbee Messenger's.

UpkeepUpdate frequency

Flex Messenger ships an update every 6 months, Frisbee Messenger monthly. Both last shipped on October 12, 2026.

Scorecard3 real differences · 7 level
Flex Messenger versus Frisbee Messenger: the parameters behind the verdict, then further details
ParameterFlex MessengerFrisbee Messenger
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews80.0% of reviews87.5% of reviews — better
Number of ratings13 — better
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better14.0
Further details — not scored
Size120 MB123 MB
Age rating4+4+
DeveloperColbook Investment LimitedKLAUD ATLAS, OOO

Customer experience

Flex Messenger

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Frisbee Messenger

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews32 reviews
Positive87.5%
Neutral0.0%
Negative12.5%

In-app purchases

None

Flex Messenger

No in-app purchases

None

Frisbee Messenger

No in-app purchases

Questions

Is Flex Messenger free?
Flex Messenger is free to download, with no in-app purchases.
Is Frisbee Messenger free?
Frisbee Messenger is free to download, with no in-app purchases.
Which has better reviews, Flex Messenger or Frisbee Messenger?
Flex Messenger and Frisbee Messenger are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do Flex Messenger or Frisbee Messenger have ads?
Neither Flex Messenger nor Frisbee Messenger shows ads.
Which is updated more often, Flex Messenger or Frisbee Messenger?
Flex Messenger ships an update every 6 months, and Frisbee Messenger monthly. Most recently, Flex Messenger was updated on October 12, 2026 and Frisbee Messenger on October 12, 2026.

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