Black SMS vs KeeperChat Encrypted Messenger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Black SMS
Securely protect your private conversations with a fingerprint or passcode. This app encrypts messages, including those within iMessage, ensuring only authorized individuals can access them. It's ideal for safeguarding sensitive work, medical, or personal communications.
- Fingerprint lock for messages
- Passcode protection
- iMessage integration
- Military-grade encryption
- Securely encrypt all messages
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Keep messages private by protecting them with your fingerprint or a passcode (now built directly into iMessage!). 170,000 people already use Black SMS for confidential work-material, private medical communication, photos, group chats, and relationship advice. Download now to protect your messages with Touch ID fingerprint lock, so only the intended people can read, even if someone else has their phone. Black SMS uses military grade 256-bit encryption Download now to securely encrypt all your messages. Compatible with iOS 10 software on iMessage
KeeperChat Encrypted Messenger
This secure messaging app offers end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Features include self-destructing messages, message retraction, biometric login, and a private media vault that keeps photos off your device's gallery.
- End-to-end message encryption
- Self-destruct timer
- Message retraction
- Private media vault
- Biometric login
- Zero-knowledge security architecture
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KeeperChat - The leading secure messaging app. Why you need KeeperChat: • Because you deserve privacy. • Because you want to password protect your messages. • Because people are nosey. • Because you need a secure way to share your credit card and password information. • Because it does not store photos in your phone’s main gallery. • Because mistakes happen. • Because photos leak. • Because you changed your mind. • Because you sent something you regret. • Because you text the wrong thing to the wrong person. • Because you want to know when people screenshot your chat. • Because you want to pick up the conversation on your tablet. • Because it is easy to use. • Because all your friends will be on it. Need your private photos and messages to disappear? We’ve got you covered with our self-destruct timer. Sent something you regret? Retract your message without a trace at any time. Need to blur your screen from prying eyes? Our new stealth mode allows you to blur your screen for maximum privacy. Have you lost your phone and therefore all your messages? Login to the app on a new device and restore your conversations. Messaging apps are so easy to use we don’t often think twice about texting personal information to those we trust; however, the products we use to connect to each other were not built to handle this information securely. Existing messaging apps lack our zero-knowledge security architecture and necessary security protocols. KeeperChat enables you to chat with peace of mind knowing you are in control of the content you share, and who you share it with. Easily invite your friends, family, and colleagues to experience the future of secure messaging. Take control with KeeperChat. Product Benefits: • Private vault for messages, photos and videos • Private, encrypted media gallery (nothing is saved on device’s camera roll) • Biometric login and self-destruct protection for vault • Message retraction and self-destruct timer • Two-factor authentication • End-to-end message encryption • Unlimited devices and sync • Secure cloud backup • Private group chats • Auto-logout timer • Customizable messages with themes and animated stickers • Zero-knowledge, encrypted security architecture • Built-in Keeper password vault integration Developed by Keeper Security, the creator of Keeper, the world's most trusted password manager and digital vault. Terms and Conditions. Privacy Policy: https://keepersecurity.com/privacypolicy.html?t=chat Terms of Use: https://keepersecurity.com/termsofuse.html?t=chat
Screenshots
Verdict
The clearest difference is rating: KeeperChat Encrypted Messenger at 4.2 against Black SMS's 3.1. KeeperChat Encrypted Messenger also leads on ratings volume (389 vs 11) and review sentiment (65% vs 52%). Black SMS's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (10.0 vs 14.0). 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.
KeeperChat Encrypted Messenger holds the better App Store score, 4.2 against 3.1. That said, the two scores are not equally well evidenced: KeeperChat Encrypted Messenger has 389 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 52% of Black SMS's written reviews are positive against 65% of KeeperChat Encrypted Messenger's.
Black SMS ships an update every 2 weeks, KeeperChat Encrypted Messenger every 2 months. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.
| Parameter | Black SMS | KeeperChat Encrypted Messenger |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (11 ratings) | 4.2 (389 ratings) — better |
| Positive reviews | 51.8% of reviews | 65.1% of reviews — better |
| Number of ratings | 11 | 389 — better |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 60 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | Hadar Weitzman Group Inc. | Callpod Inc. |
Customer experience
Black SMS
KeeperChat Encrypted Messenger
User reviews
Black SMS
From 11 App Store ratingsWhat we love
- 🔒 Good for privacy
- 💡 Cool concept/idea
- 👍 Easy to use (for some)
- 🚀 Works well (for some)
- ✨ Unique functionality
Room to improve
- 👎 Requires recipient to have app
- 🐛 Crashes frequently
- ⏳ Time-consuming process
- 💰 Waste of money (for some)
- 🤔 Confusing interface
KeeperChat Encrypted Messenger
From 389 App Store ratingsWhat we love
- 🔒 Secure and private messaging
- 🚀 Useful features like self-destructing messages
- 👍 Sleek and user-friendly interface
- 🔒 Encrypted data storage
Room to improve
- 🐛 Unreliable chat functionality, messages not getting through
- 🔒 Concerns about privacy and data security
- 🔋 App frequently logs users out, causing frustration
- 💰 Expensive subscription model
Bugs and requests
Black SMS
Reported bugs
10 issues- Messages sometimes empty
- App becomes unresponsive
- Recipient needs to open message twice
- Password not working
- Cannot send pics from library
Show 5 moreShow fewer
- Message expires right when sent
- App crashes on startup
- Lemon text feature not working
- Cannot decrypt messages
- Photo stays displayed after leaving app
Requested features
7 requests- Support for sending videos
- Update for newer phones/iOS
- Dark mode
- Option to black out recipient name
- Add texting capabilities within the app
Show 2 moreShow fewer
- Encrypt photos
- Improve UI and fix blurry text
KeeperChat Encrypted Messenger
Reported bugs
3 issues- Invitations not being received by contacts
- Inability to delete entire chat histories
- Inconsistent performance, app crashes and freezes
Requested features
4 requests- Ability to organize media in folders
- Option to change contact display names
- Customizable notification messages
- Seamless integration with other devices
In-app purchases
Black SMS
No in-app purchases
KeeperChat Encrypted Messenger
No in-app purchases
Questions
Is Black SMS free?
Is KeeperChat Encrypted Messenger free?
Which has better reviews, Black SMS or KeeperChat Encrypted Messenger?
Do Black SMS or KeeperChat Encrypted Messenger have ads?
Which is updated more often, Black SMS or KeeperChat Encrypted Messenger?
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