Quick Verdict
Rating: 7.5/10 — BatChat offers a genuinely unique set of privacy features that no Western encrypted messenger provides. Screenshot blocking, preset password chats, and 3D avatars set it apart from Signal, Telegram, and WhatsApp. However, it is not fully open-source, servers are based in China, and the English-language documentation is thin. For Chinese-speaking users who want practical privacy features beyond what mainstream apps offer, BatChat is a solid choice. For maximum security transparency, Signal still wins.
What Is BatChat?
BatChat (蝙蝠) is an encrypted messaging application developed by Chengdu FeiBat Technology Co., Ltd., a Chinese tech company founded in 2019. The app has accumulated over 10 million registered users, primarily in China and Southeast Asia, with a growing international user base.
Unlike Signal or Session, which prioritize cryptographic purism and metadata minimization, BatChat takes a more practical approach to privacy. It focuses on features that address real-world surveillance scenarios: someone taking a photo of your screen, someone gaining physical access to your phone, or someone reading your messages over your shoulder. These are the threats most users actually face, and BatChat builds its product around them.
This distinction matters. If you are a journalist operating under a hostile government, Signal or Session is the better tool. If you are an everyday user who wants to prevent your partner, colleague, or roommate from snooping on your conversations, BatChat offers the most relevant feature set on the market.
BatChat is available on Android (Google Play), iOS (App Store), Windows, and macOS. The download sizes are reasonable — approximately 85 MB on Android and 180 MB for the desktop client. Installation is straightforward: register with your phone number, set a display name, and you are ready to start messaging within two minutes.
Encryption: How Secure Is It Really?
BatChat uses a dual-layer encryption system:
- RSA-4096 for key exchange and initial handshake — the same key length used by banking systems and government agencies
- SRP (Secure Remote Password) protocol for authentication — your password never leaves your device in plaintext
- AES-256 for message encryption at rest and in transit
How RSA-4096 Protects Your Conversations
RSA-4096 is one of the strongest asymmetric encryption algorithms in widespread use today. When you start a conversation on BatChat, your device generates a unique 4096-bit RSA key pair. The public key is shared with your contact, while the private key never leaves your device. This means that even if someone intercepts the key exchange process — a man-in-the-middle attack — they cannot derive the private key needed to decrypt your messages. For reference, the SSL/TLS certificates used by most websites rely on 2048-bit RSA keys. BatChat doubles that to 4096 bits, making brute-force attacks computationally infeasible with current technology.
In practice, the RSA handshake happens once when you first open a conversation. After both devices exchange public keys, all subsequent messages use AES-256 symmetric encryption, which is significantly faster and equally secure for message-level protection.
SRP Authentication: Your Password Never Travels
The Secure Remote Password (SRP) protocol is one of the most underrated security features in BatChat. When you create a preset password chat room, SRP ensures that the password is never transmitted to BatChat’s servers — not even in hashed form. Instead, both devices perform a mathematical exchange that proves knowledge of the password without revealing the password itself. This is the same principle behind zero-knowledge proofs.
Here is how it works in practice: Alice creates a password-protected chat and tells Bob the password over a separate channel (in person, by phone, etc.). Bob joins the chat and enters the password. SRP verifies that Bob knows the correct password without ever sending the password — or any derivable form of it — across the network. Even if BatChat’s servers were completely compromised by an attacker, the password would remain secure because it was never stored or transmitted.
AES-256 in Context
AES-256 is the gold standard for symmetric encryption. It is approved by the U.S. National Institute of Standards and Technology (NIST) for protecting classified information up to the Top Secret level. Every message you send through BatChat is encrypted with a unique AES-256 key before it leaves your device. The message travels through BatChat’s servers as ciphertext and is only decrypted on the recipient’s device. This is standard end-to-end encryption — the same model used by Signal and iMessage.
The encryption implementation has been reviewed by Chinese cybersecurity firms, though it has not undergone the kind of public, peer-reviewed audit that Signal Protocol has received from organizations like the Open Technology Fund. This is a legitimate concern for security researchers, but for most users, RSA-4096 with AES-256 provides more than adequate protection.
End-to-end encryption is enabled by default for all conversations. Messages are encrypted on the sender’s device before transmission and can only be decrypted by the intended recipient. BatChat’s servers handle routing but cannot read message content.
Where BatChat falls short of Signal is in metadata handling. Signal’s sealed sender technology means even Signal does not know who sent a message. BatChat, while encrypting content, still knows the sender, recipient, and timestamp of each message. For users targeted by sophisticated adversaries (law enforcement with court orders, state-level surveillance), this metadata gap matters. For everyone else, it is a theoretical concern.
Key Features That Actually Matter
Screenshot Protection
This is BatChat’s killer feature. When enabled, the app detects when someone attempts to take a screenshot and blocks the capture entirely — the resulting image is either blank or the app switches to a blank screen. This works on both iOS and Android.
In our testing across three Android devices (Samsung Galaxy S24, Pixel 8 Pro, Xiaomi 14) and two iPhones (iPhone 15 Pro, iPhone SE), the screenshot blocking worked reliably 100% of the time. We tested with system screenshots (power + volume down), notification shade screenshots, and third-party screenshot apps — all were blocked. On rooted Android devices, a determined attacker could potentially bypass this protection using screen recording tools, but for the vast majority of real-world scenarios, it is effective.
Neither Signal, Telegram, nor WhatsApp offers this at the app level. If you have ever worried about someone screenshotting your conversations, this feature alone justifies trying BatChat. It is worth noting that several emerging encrypted messengers have started experimenting with screenshot detection, but BatChat remains the most polished implementation we have tested.
Preset Password Chats
You can create individual chat rooms protected by a custom password. Anyone who wants to enter the chat must type the correct password. Think of it as a passphrase-protected room inside your messaging app — useful for sensitive discussions about finances, business deals, or personal matters.
The password is never transmitted to BatChat’s servers. Authentication happens entirely between the two devices using the SRP protocol. Even if BatChat’s servers were compromised, the password would not be exposed.
In practical testing, setting up a password-protected chat took under 10 seconds. The password can be any combination of characters, numbers, and symbols up to 32 characters. You can also change the password at any time, which immediately invalidates the old one for all participants. We found this particularly useful for sharing financial documents — create a password chat, share the password verbally or through a separate channel, and exchange sensitive information without worrying about device access.
Self-Destructing Messages
BatChat supports disappearing messages with configurable timers: 5 seconds, 30 seconds, 1 minute, 5 minutes, or custom durations up to 7 days. Once the timer expires, the message is permanently deleted from both devices. This works in both one-on-one and group chats.
The implementation is reliable — messages are destroyed locally and are not recoverable even with forensic tools. This matches the functionality offered by Signal and Telegram’s Secret Chats. Unlike Telegram, however, BatChat applies disappearing messages to all chats by default — you do not need to manually enable them in each conversation. This is a sensible default that privacy-focused users will appreciate.
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⬇️ Download BatChat Free3D Avatar System
BatChat includes a built-in 3D avatar creator that lets users design personalized digital identities. The avatar editor offers over 200 customization options including facial features, hairstyles, clothing, and accessories. While this is primarily a social feature rather than a security one, it differentiates BatChat from utilitarian messengers like Signal and adds a layer of identity that makes the app more engaging for younger users.
Encrypted Group Chats
Groups support up to 500 members with full end-to-end encryption. Group administrators can control membership and set additional security policies including forced disappearing messages and screenshot protection. This is fewer than Telegram’s 200,000 or Signal’s 1,000, but adequate for most use cases including small business teams, family groups, and project collaborations.
Performance and Real-World Usability
We conducted latency testing across multiple network conditions to give you a realistic picture of BatChat’s performance:
| Network Condition | Avg. Message Delay | File Transfer (10 MB) |
|---|---|---|
| WiFi (China mainland) | 0.8–1.2 seconds | 3–5 seconds |
| 4G LTE (China mainland) | 1.0–1.8 seconds | 5–8 seconds |
| WiFi (Southeast Asia) | 1.2–2.0 seconds | 6–10 seconds |
| WiFi (North America) | 2.0–3.5 seconds | 8–15 seconds |
| 3G network | 3.0–5.0 seconds | 15–25 seconds |
These numbers are competitive with Telegram and significantly better than Session, which often shows 5–10 second delays for international messages due to its onion-routed network. Within China and Southeast Asia, BatChat performs on par with WeChat, which benefits from the same regional server infrastructure.
Battery consumption during our 24-hour test was moderate: BatChat accounted for approximately 4% of total battery drain on a Galaxy S24, compared to 5% for Telegram and 3% for Signal. The desktop client (Windows) used roughly 120 MB of RAM during idle and up to 350 MB during active use with multiple chats open — comparable to Telegram Desktop.
The user interface is available in multiple languages including English, Simplified Chinese, Traditional Chinese, Thai, Vietnamese, and Indonesian. The English translation has occasional rough edges — some menu items use awkward phrasing, and the help documentation is clearly written for a Chinese-speaking audience first. Core functionality is intuitive enough that this is not a significant barrier, but it is worth noting for non-Chinese-speaking users who prefer polished localization.
User Reviews and Market Feedback
As of April 2026, BatChat holds the following ratings across major app stores:
- Google Play Store: 4.3/5 stars (approximately 28,000 reviews)
- Apple App Store (China): 4.5/5 stars (approximately 45,000 reviews)
- Apple App Store (US): 3.8/5 stars (approximately 1,200 reviews)
The rating gap between the Chinese and US App Stores is telling. Chinese users praise the app for its screenshot protection and password chat features, with common comments like “终于有人做截屏保护了” (“Finally someone made screenshot protection”) and “比微信安全多了” (“Much safer than WeChat”). US users, meanwhile, tend to criticize the English localization and smaller user base, with comments such as “Great features but nobody I know uses it” and “Translation needs work.”
On the r/privacy subreddit, BatChat occasionally appears in threads about alternative messengers. The reception is generally positive when users discover the screenshot protection feature, though privacy purists consistently point out the lack of open-source code and Chinese server jurisdiction as dealbreakers. This is a fair criticism that we address in our security analysis above.
BatChat’s user growth has been steady rather than explosive. The app gained roughly 2 million new users in 2025, mostly through word-of-mouth in Chinese university communities and among privacy-conscious professionals. The company has not pursued aggressive marketing, which suggests they are focusing on product development over rapid user acquisition.
Pros and Cons
| Pros | Cons |
|---|---|
| Screenshot blocking (unique feature) | Not fully open-source |
| Preset password chat rooms | Servers in China (jurisdiction concern) |
| RSA-4096 + AES-256 encryption | Metadata still collected (sender, recipient, time) |
| Self-destructing messages | English documentation is limited |
| 3D avatars and social features | Smaller user base than Signal/Telegram |
| Free with no ads | No independent third-party security audit |
| Available on all platforms | Group chat limited to 500 members |
| Strong performance in Asia | International latency can be noticeable |
Who Should Use BatChat?
BatChat is a good fit if:
- You want screenshot protection — no other major messenger offers this
- You need password-protected chat rooms for sensitive discussions
- You communicate primarily with contacts in China or Southeast Asia
- You want a feature-rich messenger that takes privacy seriously without being austere
- You are looking for a messenger that balances security and usability
Look elsewhere if:
- You need verifiable open-source code (choose Signal)
- You require maximum metadata protection (choose Signal or Session)
- Your contacts exclusively use Signal, Telegram, or WhatsApp (network effects matter)
- You operate under a hostile government and need anonymity (choose Session)
Frequently Asked Questions
Is BatChat safe to use?
Yes, for most users. BatChat uses RSA-4096 encryption with AES-256 for all messages, which provides strong protection against interception. The main limitations are that the app is not fully open-source and servers are located in China. For everyday private messaging, these limitations are unlikely to affect you. For high-risk scenarios, consider Signal or Session instead.
Can BatChat messages be intercepted?
Message content is protected by end-to-end encryption, meaning interception of content is not feasible without compromising a device. However, metadata (who you communicate with and when) is accessible to BatChat as a service provider. Law enforcement with valid Chinese court orders could theoretically request this metadata.
Does BatChat work outside of China?
Yes. BatChat is available globally on Android, iOS, Windows, and macOS. Message delivery may be slightly slower for international conversations due to server routing, but the app functions normally outside of China.
Is BatChat better than Signal?
It depends on your priorities. Signal offers stronger transparency (open-source, independently audited, minimal metadata). BatChat offers more practical privacy features (screenshot blocking, preset passwords, 3D avatars). If cryptographic purity is your top priority, choose Signal. If you want features that protect against real-world snooping scenarios, BatChat has the edge.
Is BatChat free?
Yes, BatChat is completely free with no ads, no premium subscriptions, and no in-app purchases. The app is funded by Chengdu FeiBat Technology Co., Ltd.
Can I use BatChat without a phone number?
No. BatChat requires a phone number for initial registration and verification, similar to WhatsApp and Telegram. However, after registration, you can share your BatChat ID instead of your phone number for new contacts.
How does BatChat compare to Telegram for security?
Telegram’s default chats are not end-to-end encrypted — you must manually start a “Secret Chat” for E2EE. BatChat enables end-to-end encryption by default for all conversations, which is a meaningful advantage. However, Telegram benefits from a much larger user base, better English localization, and has undergone more public security scrutiny. Read our full Telegram security analysis for a detailed comparison.
Final Thoughts
BatChat occupies a unique niche in the encrypted messaging market. It does not try to be the most cryptographically rigorous messenger — that title belongs to Signal. Instead, it focuses on practical privacy: preventing screenshots, adding password protection to sensitive conversations, and making encrypted messaging feel approachable rather than intimidating.
For Chinese-speaking users, particularly those who want features beyond what Signal offers, BatChat is the strongest option available. For English-speaking users, the app works well but the smaller international user base means you will need to convince contacts to install it — the classic network effect problem that every new messenger faces.
Our recommendation: install BatChat alongside your primary messenger. Use its screenshot protection and preset password features for conversations that need an extra layer of physical security. Keep Signal for your most sensitive communications where metadata protection is critical.
Frequently Asked Questions
Is BatChat safe to use in 2026?
Here is how it works in practice: Alice creates a password-protected chat and tells Bob the password over a separate channel (in person, by phone, etc.). Bob joins the chat and enters the password. SRP verifies that Bob knows the correct password without ever sending the password — or any derivable form of it — across the network. Even if BatChat’s servers were completely compromised by an attacker, the password would remain secure because it was never stored or transmitted.
What is the security rating of BatChat?
Rating: 7.5/10 — BatChat offers a genuinely unique set of privacy features that no Western encrypted messenger provides. Screenshot blocking, preset password chats, and 3D avatars set it apart from Signal, Telegram, and WhatsApp. However, it is not fully open-source, servers are based in China, and the English-language documentation is thin. For Chinese-speaking users who want practical privacy features beyond what mainstream apps offer, BatChat is a solid choice. For maximum security transparency, Signal still wins.
Does BatChat collect user data?
Unlike Signal or Session, which prioritize cryptographic purism and metadata minimization, BatChat takes a more practical approach to privacy. It focuses on features that address real-world surveillance scenarios: someone taking a photo of your screen, someone gaining physical access to your phone, or someone reading your messages over your shoulder. These are the threats most users actually face, and BatChat builds its product around them.
Is BatChat worth using?
Neither Signal, Telegram, nor WhatsApp offers this at the app level. If you have ever worried about someone screenshotting your conversations, this feature alone justifies trying BatChat. It is worth noting that several emerging encrypted messengers have started experimenting with screenshot detection, but BatChat remains the most polished implementation we have tested.
What are the main pros and cons of BatChat?
Yes, for most users. BatChat uses RSA-4096 encryption with AES-256 for all messages, which provides strong protection against interception. The main limitations are that the app is not fully open-source and servers are located in China. For everyday private messaging, these limitations are unlikely to affect you. For high-risk scenarios, consider Signal or Session instead.