Ant Messenger vs K9 Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ant Messenger
This secure messaging app offers end-to-end encrypted chats and calls, prioritizing user privacy. It features self-destructing messages and robust security measures to protect your conversations from unauthorized access.
- End-to-end encryption
- Encrypted voice and video calls
- Burn after reading messages
- Periodic document destruction
- Bidirectional chat destruction
- Anti-eavesdropping technology
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Ant messenger is an instant messaging chat software protected by end-to-end encryption. It focuses on protecting the privacy and security of users' chat. The server does not save any information, and truly allows users to speak freely. With ant Messenger, you will get secure, fast and free encrypted messages and encrypted voice / video calls. No one can get your chat and call content! Privacy Ant messenger uses end-to-end and burn after reading methods for strict encryption. security Antmessenger protects your messages from hackers. Periodic destruction Regularly destroy the documents you send and easily control the expiration date of the documents. Bidirectional destruction Chat records can be destroyed in both directions at any time to prevent information from being stolen by hackers. Anti eavesdropping Use trunk call technology to encrypt communication and ensure the security of your IP information. Burn after reading Once the message is read, it will be destroyed and your information will be secure. As a secure communication software, ant messenger only provides secure communication services and does not guarantee that some users will not use ant for malicious acts. Please carefully identify the identity and intention of your friends to prevent being cheated and causing money losses. The platform will not bear any responsibility. If you encounter problems during use, please contact us through the service number. If you encounter malicious user behavior, you can report it through the report function.
K9 Chat
This secure chat application offers end-to-end encryption and zero-trust communication for private teams and organizations. It supports audio, video, screensharing, and voice notes without tracking user activity. Access requires an account provided by an administrator.
- End-to-end encryption
- Zero-trust communication
- Anonymous messaging
- Audio and video calls
- Screensharing
- Voice notes
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K9 Chat is an end-to-end encrypted messaging app for organisations that run their own K9 Chat server. Messages, calls and files are encrypted on your device, so only the people in the conversation can read them. FEATURES • One-to-one and group messaging • Encrypted voice and video calls • Screen sharing • Voice messages • Photo, video and file sharing • Threads, replies and reactions FOR ORGANISATIONS K9 Chat connects only to K9 servers operated by your own organisation, whether on premise, cloud-hosted or hybrid. It is not a public messaging network and does not connect to any other service. BEFORE YOU DOWNLOAD An account is required, and accounts are issued by your organisation's administrator. Without one, you will not be able to sign in.
Screenshots
Verdict
The clearest difference is review sentiment: K9 Chat at 100% against Ant Messenger's 39%. K9 Chat also leads on rating (5.0 vs 3.4). Ant Messenger's advantage is ratings volume (39 vs 2) and iOS requirement (13.0 vs 18.5). On price, update cadence, ads and in-app purchases 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.
K9 Chat holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Ant Messenger has 39 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 39% of Ant Messenger's written reviews are positive against 100% of K9 Chat's.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 16, 2026.
| Parameter | Ant Messenger | K9 Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (39 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 38.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 39 — better | 2 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 276 MB | 254 MB |
| Age rating | 4+ | 4+ |
| Developer | Ant Messenger | Colohost LLC |
Customer experience
Ant Messenger
K9 Chat
In-app purchases
Ant Messenger
No in-app purchases
K9 Chat
No in-app purchases









