Bigant5 vs Rocket.Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- On-premise server administration
- Secure and traceable conversations
- Colleague-only contact lists
- LDAP/AD compatibility
- Boosts office productivity
Read full descriptionHide 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.
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.
- Unified messaging, voice, and video
- End-to-end encryption
- Two-factor authentication
- Open source software
- On-premises or cloud hosting
- Guest access
- File sharing
Read full descriptionHide 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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Bigant5 | Rocket.Chat |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (3.7K ratings) — better |
| Positive reviews | 50.0% of reviews | 61.7% of reviews — better |
| Number of ratings | — | 3.7K — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 83 MB | 78 MB |
| Age rating | 4+ | 9+ |
| Developer | 辉 欧阳 | Rocket.Chat Technologies Corp. |
Customer experience
Bigant5
Rocket.Chat
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
Bigant5
No in-app purchases
Rocket.Chat
No in-app purchases








