Comparison

Bigant5 vs Rocket.Chat

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

Head to head
About

Bigant5

A secure, on-premise instant messaging system designed for businesses. It ensures all communication is private and traceable, with contact lists exclusively for colleagues. This tool helps boost office productivity for companies of any size.

Highlights
  • On-premise server administration
  • Secure and traceable conversations
  • Colleague-only contact lists
  • LDAP/AD compatibility
  • Boosts office productivity
Features
Read full description

BigAnt5 is a secure corporate instant messaging system, which means your messenger server is under Administration on your own. In this way your contact list is 100% colleagues and team members, tidy and organized, fully compatible with LDAP/AD. Your conversation threads are safely kept on both server and client end, traceable. Now, set up BigAnt to boost your office productivity. No matter the size of your company, small or large, local or world wide, BigAnt is right for your business.

About

Rocket.Chat

A secure communication platform that integrates messaging, voice, video, and AI for organizations requiring high security and compliance. It offers features like E2E encryption and two-factor authentication to protect sensitive communications.

Highlights
  • Unified messaging, voice, and video
  • End-to-end encryption
  • Two-factor authentication
  • Open source software
  • On-premises or cloud hosting
  • Guest access
  • File sharing
Features
Read full description

Rocket.Chat Secure CommsOS™ is a communication platform that unifies messaging, voice, video, AI, and mission-critical applications—ensuring uncompromising security, compliance, and operational efficiency for governments, defense, and critical infrastructure organizations operating in high-stakes environments. The result is an increase in productivity and customer satisfaction rates. Everyday, tens of millions of users in over 150 countries and in organizations such as Deutsche Bahn, The US Navy and Credit Suisse trust Rocket.Chat to keep their communications completely private and secure. By opting for Rocket.Chat, users also benefit from free audio and video conferencing, guest access, screen and file sharing, LiveChat, LDAP Group Sync, two-factor authentication (2FA), E2E encryption, SSO, dozens of OAuth providers and unlimited users, guests, channels, messages, searches and files. Users can set up Rocket.Chat on cloud or by hosting their own servers on-premises. With thousands of contributors and stars on Github, Rocket.Chat has the world’s largest community of chat developers in the open source communication sector. When you choose Rocket.Chat, you join an ever-growing passionate community that constantly improves our platform with us :) KEY FEATURES: * Open Source Software * Hassle-free MIT license * BYOS (bring your own server) * Multiple Rooms * Direct Messages * Private & Public Channels/Groups * Desktop and Mobile Notifications * 100+ available integrations * Edit and Delete Sent Messages * Mentions * Avatars * Markdown * Emojis * Choose between 3 themes: Light, Dark, Black * Sort conversations alphabetically or group by activity, unread or favourites * Transcripts / History * File Upload / Sharing * I18n - [Internationalization with Lingohub] * Hubot Friendly - [Hubot Integration Project] * Media Embeds * Link Previews * LDAP Authentication * REST-full APIs * Remote Locations Video Monitoring * Native Cross-Platform Desktop Application

Screenshots

Bigant54 screens
Rocket.Chat4 screens

Verdict

The call

The clearest difference is update cadence: Rocket.Chat at every 3 weeks against Bigant5's every 3 months. Rocket.Chat also leads on review sentiment (62% vs 50%) and device support (4 vs 2). Bigant5's advantage is iOS requirement (12.0 vs 15.1). 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.

UpkeepUpdate frequency

Bigant5 ships an update every 3 months, Rocket.Chat every 3 weeks. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

Scorecard4 real differences · 6 level
Bigant5 versus Rocket.Chat: the parameters behind the verdict, then further details
ParameterBigant5Rocket.Chat
PriceFreeFree
Rating—4.4 (3.7K ratings) — better
Positive reviews50.0% of reviews61.7% of reviews — better
Number of ratings—3.7K — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS12.0 — better15.1
Further details — not scored
Size83 MB78 MB
Age rating4+9+
Developer辉 欧阳Rocket.Chat Technologies Corp.

Customer experience

Bigant5

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Rocket.Chat

All ratings3,728 ratings
Positive84.8%
Neutral5.4%
Negative9.8%
Written reviews856 reviews
Positive61.7%
Neutral10.5%
Negative27.8%

Bugs and requests

Bigant5

Not enough reviews yet to summarise bugs or requests.

Rocket.Chat

Reported bugs

5 issues
  • Messages not loading properly
  • Inability to stay logged in
  • Broken translation feature
  • Compatibility issues with newer devices
  • Admin panel not functioning on mobile

Requested features

5 requests
  • Improved notification settings
  • Enhanced file sharing and management
  • Customizable notification sounds
  • Streamlined admin panel for mobile
  • Integrated video/audio calling

In-app purchases

None

Bigant5

No in-app purchases

None

Rocket.Chat

No in-app purchases

Questions

Is Bigant5 free?
Bigant5 is free to download, with no in-app purchases.
Is Rocket.Chat free?
Rocket.Chat is free to download, with no in-app purchases.
Do Bigant5 or Rocket.Chat have ads?
Neither Bigant5 nor Rocket.Chat shows ads.
Which is updated more often, Bigant5 or Rocket.Chat?
Bigant5 ships an update every 3 months, and Rocket.Chat every 3 weeks. Most recently, Bigant5 was updated on September 17, 2026 and Rocket.Chat on September 26, 2026.

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