Comparison

SKI+ v2 vs LPS Talk

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

Head to head
About

SKI+ v2

Features
Read full description

SKI+ v2 is an end-to-end instant messaging app with in-depth support of post-quantum encryption algorithms. Message encryption and decryption are completed on the user's device, and the server has no access to these details. Therefore, it provides users with a more privacy-protected messaging system. For more details, please refer to https://www.e2eelab.org. Feel free to download and use it. If you have any questions or suggestions, please send relevant descriptions or screenshots to: ziv@citi.sinica.edu.tw. We will address your inquiries promptly.

About

LPS Talk

Features
Read full description

Lps Talk – Encrypted Messaging for Corporate Security
A military-grade secure, end-to-end encrypted messaging application. Lps Talk is a messaging application developed for the defense industry, public institutions, and organizations that require sensitive communication, featuring high security standards. The application aims to protect data integrity and user privacy at the highest level during messaging processes. Security is Our Priority
Lps Talk uses end-to-end encryption infrastructure to ensure that messages can only be read by the sender and the recipient. Message contents are not stored on our servers. Messages are temporarily stored in encrypted form only until they are delivered, after which they are automatically deleted from the system. We do not store communication history or contact information. Key Features • End-to-end encryption for message security • No persistent data storage on the server side • No storage of contact lists or message metadata • Completely ad-free and independent from external dependencies • Architecture compatible with internal corporate systems Who Is It For? • Employees of the defense and aerospace industry • Law enforcement and public safety personnel • Public and private sector units requiring strategic communication • All organizations seeking privacy in internal communication Why Lps Talk?
Lps Talk is a domestic messaging solution based on the principles of data sovereignty and security. Developed for use in critical tasks, its security architecture is designed in accordance with independent testing standards. With minimum data processing, advanced encryption, and a decentralized communication approach, it focuses on meeting the needs of corporate users. Lps Talk – Secure and Encrypted Messaging
Your privacy is our priority. An end-to-end encrypted and secure messaging experience. Lps Talk is a modern messaging application equipped with end-to-end encryption, prioritizing your privacy. It processes your personal data at a minimum level and keeps your chat history under your control only. Features • End-to-end encryption: Your messages are visible only to you and the recipient. • Respect for privacy: No chat contents or contact lists are stored on our servers. • Ad-free experience: Completely user-focused, distraction-free interface. • Lightweight and fast: High performance with low data usage and without unnecessary permissions. • On-device data storage: Your message history is stored only on your device, protected in encrypted form. • Anonymous usage: Communicate while protecting your identity with advanced security settings. Who Is It For?
It is suitable for individuals who care about their privacy, professionals who need sensitive communication, and anyone looking for a secure digital environment. Why Lps Talk?
Inspired by secure communication apps like Signal, Lps Talk is developed to meet needs for privacy, data sovereignty, and secure communication. User data is not processed; only limited technical information necessary to provide the required services is used.

Screenshots

SKI+ v24 screens
LPS Talk4 screens

Verdict

The call

The clearest difference is iOS requirement: LPS Talk at 15.1 against SKI+ v2's 17.6. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

Scorecard1 real difference · 5 level
SKI+ v2 versus LPS Talk: the parameters behind the verdict, then further details
ParameterSKI+ v2LPS Talk
PriceFreeFree
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size249 MB58 MB
Age rating4+4+
DeveloperAcademia Sinica Research Center for Information Technology InnovationLPS Bilişim A.Ş.

In-app purchases

None

SKI+ v2

No in-app purchases

None

LPS Talk

No in-app purchases

Questions

Is SKI+ v2 free?
SKI+ v2 is free to download, with no in-app purchases.
Is LPS Talk free?
LPS Talk is free to download, with no in-app purchases.
Do SKI+ v2 or LPS Talk have ads?
Neither SKI+ v2 nor LPS Talk shows ads.
Which is updated more often, SKI+ v2 or LPS Talk?
SKI+ v2 ships an update fortnightly, and LPS Talk fortnightly. Most recently, SKI+ v2 was updated on September 10, 2026 and LPS Talk on September 18, 2026.

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