# Flex Messenger

> Secure, fast, and free messaging and calling app with unlimited group chats. (iPhone/iPad app by Colbook Investment Limited.)

- Source: https://appshunter.io/ios/app/flex-messenger/id1078486343 (this page in markdown: same URL + `.md`)
- Developer: [Colbook Investment Limited](https://appshunter.io/developer/996739770)
- Category: Social Networking, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 8.0 · 120 MB
- Languages: American English, European Portuguese, Russian, Chinese (Simplified, China), European Spanish
- Released: 2016-01-29
- Data updated: 2026-07-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/flex-messenger/id1078486343/reviews.md

## What is Flex Messenger?

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.

## Key features

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

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/flex-messenger/id1078486343/reviews.md

### 5/5 — Great app

*2016-06-15*

Just got it! The platform is great. Getting my family in it now for group chats and texting

### 5/5 — Flex

*2016-02-03*

Goooood!

## Frequently asked questions about Flex Messenger

### Is Flex Messenger free to use?

Yes, Flex Messenger is 100% free to use and will remain so forever. The developers have stated they will not introduce subscription fees or sell advertisements.

### Does Flex Messenger have ads?

No, Flex Messenger is completely ad-free. The developers explicitly mention 'NO ADS' as a key feature and promise it will be free forever without ads.

### What devices does Flex Messenger support?

Flex Messenger is available on iPhones, iPads, and iPods. It also syncs seamlessly across desktops and tablets, allowing use on multiple devices.

### How secure is Flex Messenger?

Flex Messenger prioritizes security, aiming to provide the best security among open, people-friendly messengers. It ensures no one can contact you without knowing your exact contact information.

### Can I send large files with Flex Messenger?

Yes, you can send unlimited amounts of documents of any type, including .doc, .zip, and .pdf, as well as images and videos. Group chats also have no limits on sharing.

### What is the age rating for Flex Messenger?

Flex Messenger has an age rating of 4+, making it suitable for a wide range of users.

### How often is Flex Messenger updated?

The latest version of Flex Messenger is 1.2, which was last updated on July 26, 2016. This indicates infrequent updates since its release in 2016.

### What makes Flex Messenger fast?

Flex Messenger uses the newest technology to provide the best communication speed. It is designed to be super-fast and efficient for all users.

## Version history (last 2 releases)

### 1.2 — 2016-07-26

This app has been updated by Apple to display the Apple Watch app icon.

- Bugfixes and improvements

Note: due to massive platform update and switching to new servers all previous content (messages, files, etc) is discarded. Sorry for inconvenience.

### 1.0 — 2016-01-29

No release notes.

## Apps similar to Flex Messenger

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Pie Messenger](https://appshunter.io/ios/app/pie-messenger/id1515161643) | 1.5 (2) | Free | Social Networking |
| [H-Messenger](https://appshunter.io/ios/app/h-messenger/id1566305219) | — | Free | Social Networking |
| [Frisbee Messenger](https://appshunter.io/ios/app/frisbee-messenger/id1496729231) | 5.0 (3) | Free | Social Networking |
| [Nova Messenger](https://appshunter.io/ios/app/nova-messenger/id1621358108) | — | Free | Social Networking |
| [Clap Messenger](https://appshunter.io/ios/app/clap-messenger/id1584473090) | 2.8 (4) | Free | Social Networking |
| [AnyTalk Messenger](https://appshunter.io/ios/app/anytalk-messenger/id964490549) | 4.4 (8) | Free | Social Networking |

## More apps by Colbook Investment Limited

- [EX Mail - More than just email](https://appshunter.io/ios/app/ex-mail-more-than-just-email/id996739771)

All apps by Colbook Investment Limited: https://appshunter.io/developer/996739770

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-04.*