Comparison

私信 vs Tgtg

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

Head to head
About

私信

A secure instant messaging app built with end-to-end encryption for businesses and organizations. It offers standard chat features along with advanced data protection and clearing functions. A free version is available, with a paid enterprise option for enhanced services.

Highlights
  • End-to-end encryption
  • Text, emoji, voice, and image chat
  • Data protection and clearing
  • Group management
  • Instant announcements
  • Message recall and do not disturb
Read full description

「 SeChat 私信 」,由鳳凰互聯網團隊2018年全新發佈,是一款基於端對端加密技術的IM(即時通訊)應用,是利用多種高強度加密協議和算法專為應對互聯網移動辦公的網絡威脅,保證商業,金融,高新科技等溝通數據安全而打造的,以專注為廣大企業用戶,政府機構,科研院校,行業協會等團體提供安全可靠的即時通訊服務。SeChat支持文本,表情,語音,圖片等主流IM的聊天功能,同時也為數據安全提供各種數據保護和數據清除的專業功能。 「SeChat免費版」,實行永久全免費政策。同時,「SeChat企業版」会提供更加專業的企業級服務及技術支持,更可提供符合商業客戶需求的二次開發服務。SeChat企業版更可為客戶提供私有化服務器部署,無論是本地服務器還是雲端客戶的全部信息和數據由客戶內部自主管理,一站式專業服務,及時快速上線。 主要功能: -團體管理 -即時通告 -團體活動 -決策投票 -即時通訊服務 -端對端加密 -好友管理 -自主建群 -定時銷毀 -遠程銷毀 (開發中) -閱後即焚 (開發中) -消息撤回 -消息免打擾 -公告服務 -群內互動 -商務功能:雲端任務管理系統 「SeChat」所有版本均基於我們的《使用條款》及《隱私政策》的保障範圍之內。

About

Tgtg

Features
Read full description

Tgtg is an encrypted and secure chat software designed for acquaintances and friends, providing an efficient and secure way to communicate, allowing you to communicate with the people around you more efficiently and safely. More useful features of Tgtg: Tgtg supports message encryption: end-to-end encryption of chat messages, message channel encryption, and database file encryption to prevent malicious cracking or tampering. Tgtg supports group management: support in-group ban, all staff ban, group announcement, edit administrator, join review and other functions Tgtg supports group messaging: supports one-click group messaging. Tgtg supports voice calls: multiple line selection, low latency, high sound quality, unlimited duration, unlimited region. Tgtg supports message recall: recall messages for an unlimited period of time, and delete friends in both directions.

Screenshots

私信4 screens
Tgtg3 screens

Verdict

The call

The clearest difference is update cadence: 私信 at every 3 weeks against Tgtg's every 5 weeks. Tgtg's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

私信 ships an update every 3 weeks, Tgtg every 5 weeks. The most recent releases landed on September 26, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 8 level
私信 versus Tgtg: the parameters behind the verdict, then further details
Parameter私信Tgtg
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size17 MB41 MB
Age rating4+4+
Developer香港鳳凰互聯網科技有限公司YingShun International Network Co., Limited

In-app purchases

None

私信

No in-app purchases

None

Tgtg

No in-app purchases

Questions

Is 私信 free?
私信 is free to download, with no in-app purchases.
Is Tgtg free?
Tgtg is free to download, with no in-app purchases.
Do 私信 or Tgtg have ads?
Neither 私信 nor Tgtg shows ads.
Which is updated more often, 私信 or Tgtg?
私信 ships an update every 3 weeks, and Tgtg every 5 weeks. Most recently, 私信 was updated on September 26, 2026 and Tgtg on October 27, 2026.

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