Comparison

SecEMS vs Kuxin IM

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

Head to head
About

SecEMS

This secure messaging app offers end-to-end encrypted voice and text conversations. It allows for disappearing messages, group chats, and media sharing with a focus on user privacy and data security.

Highlights
  • End-to-end encryption
  • Self-destructing messages
  • Private cloud sync
  • Group chats up to 100 members
  • Share photos, videos, and files
  • Password authentication
Features
Read full description

“I’ve been using SecEMS for a couple of months now. Finally, a secure SMS and messaging app that works as it should, and even looks better than other Messenger apps. This is the way all messenger apps should work, safely encrypting voice & text messages and not storing our personal details.” - Gannett Clarke Privacy is possible,SecEMS is private communication platform to everyone. Help you chat with friends around the world. SecEMS is the most secure instant messaging app that features end-to-end encryption, so your messages can only be read by the intended recipients, with no data logged on SecEMS’s servers. Using SecEMS, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media all types of disappearing content with complete privacy — messages, photos, videos, and even files.It’s secure, superfast, simple, fast, free and synced across all your devices.SecEMS is not only a safe chat, but also an encrypted messenger. ###Features### SECURE: SecEMS offers Secret Chats. The messages can be programmed to self-destruct automatically from both participating devices. This way you can send all types of disappearing content — messages, photos, audios, videos and even files. Secret Chats use end-to-end encryption to ensure that a message can only be read by its intended recipient. PRIVACY: We take your privacy seriously and will never give third parties access to your data. SecEMS has security features that keep your privacy with password authentication and data encryption. It is the best place to hide your personal photos, videos and documents. Private Cloud: SecEMS seamlessly syncs across all your devices, so you can always securely access your data. Safe and efficient private cloud, allowing you to access your information anytime, anywhere. GROUP CHAT & SHARING: With SecEMS, you can form large group chats and broadcast lists of up to 100 members, quickly share large audios, videos, documents (.doc, .ppt, .zip, etc.), and send an unlimited amount of photos to your friends. FAST: SecEMS is the fastest messaging app on the market because it uses a distributed infrastructure with data centers positioned around the globe to connect users to the closest possible server. RELIABLE: Built to deliver your messages in the minimum bytes possible, SecEMS is the most reliable messaging system ever made. It works even on the weakest mobile connections. ### SUPPORT ### Please visit http://app.secems.net for more information. You can also reach us via support@secems.net or on Twitter @secems – we’re happily awaiting your feedback!

About

Kuxin IM

A secure and feature-rich instant messaging application designed for high availability and privacy. It offers end-to-end encryption, private cloud deployment, and robust group chat capabilities for large communities.

Highlights
  • End-to-end encryption
  • Private cloud deployment
  • High availability server
  • Large group chat support
  • Video and voice conferencing
  • Burn after reading messages
Features
Read full description

This is an original instant messaging software with stable performance and comprehensive functions. It features: 1. High availability: the server does not need to be restarted for half a year, and automatic load balancing 2. Full functions: mainstream IM has all the functions, and we have none 3. Private cloud: support private deployment and deep customization, not controlled by others 4. High security: communication protocol adopts high-strength encryption algorithm, and chat records are not leaked 5. High freedom: the user-defined protocol is simple and clear, and there are no more restrictions 6. High speed: Based on protobuf's binary byte format, the package is very small, the data volume is small, the transmission speed is fast, and the bandwidth occupation is low 7. High concurrency: the measured concurrency is more than 30W, 2-5 times that of general IM, and supports hundreds of millions of users when clustering 8. Support appointment meeting, voice conference, video conference, shared desktop, text chat in the meeting, member management, etc Specific functions include: 1. Address book, supporting friend verification or not, QR code, tag grouping, blacking, my colleagues, official account, multi sign on, my mobile phone sending messages to my computer, etc 2. Single chat, support message receipt, burn after reading, display read, message interference free, top setting, withdrawal, video chat, search chat record, etc 3. Group chat, support announcement, @ group members, group sharing, group entry verification, group nickname, group management, number of readers, video conference, etc., support 10000 people 4. Message, support long text, picture, audio recording, video recording, business card, location, animation, file, red envelope, screenshot and other types 5. Privacy, delivered, read, burned after reading, end-to-end encryption, private group, non-public group members and other features are exclusive

Screenshots

SecEMS4 screens
Kuxin IM4 screens

Verdict

The call

The clearest difference is rating: Kuxin IM at 5.0 against SecEMS's 3.8. Kuxin IM also leads on in-app purchases (none vs 4) and update cadence (fortnightly vs every 2 months). SecEMS's advantage is ratings volume (17 vs 1) and iOS requirement (8.0 vs 11.0). On price, ads and device support 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. SecEMS sells 4 in-app purchases, starting at $0.99 per month. Kuxin IM asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kuxin IM holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: SecEMS has 17 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

SecEMS ships an update every 2 months, Kuxin IM fortnightly. The most recent releases landed on July 31, 2026 and June 22, 2026 respectively.

Scorecard6 real differences · 4 level
SecEMS versus Kuxin IM: the parameters behind the verdict, then further details
ParameterSecEMSKuxin IM
PriceFreeFree
Rating3.8 (17 ratings)5.0 (1 ratings) — better
Positive reviews62.7% of reviews—
Number of ratings17 — better1
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS8.0 — better11.0
Further details — not scored
Size242 MB179 MB
Age rating4+9+
DeveloperTrustmobi路路 院

Customer experience

SecEMS

All ratings17 ratings
Positive64.7%
Neutral5.9%
Negative29.4%
Written reviews51 reviews
Positive62.7%
Neutral0.0%
Negative37.3%

Kuxin IM

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

SecEMS

Subscriptions2
  • Monthly Subscription$0.991 Month
  • Yearly Subscription$12.991 Year
One-time2
  • 密信月会员$2.49
  • 密信年会员$25.99
None

Kuxin IM

No in-app purchases

Questions

Is SecEMS free?
SecEMS is free to download, with in-app purchases available.
Is Kuxin IM free?
Kuxin IM is free to download, with no in-app purchases.
Which has better reviews, SecEMS or Kuxin IM?
Kuxin IM is rated higher. SecEMS averages 3.8 out of 5 from 17 ratings, while Kuxin IM averages 5.0 from 1 ratings.
Do SecEMS or Kuxin IM have ads?
Neither SecEMS nor Kuxin IM shows ads.
Which is updated more often, SecEMS or Kuxin IM?
SecEMS ships an update every 2 months, and Kuxin IM fortnightly. Most recently, SecEMS was updated on July 31, 2026 and Kuxin IM on June 22, 2026.

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