私信 vs Coffee Private Messenger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- End-to-end encryption
- Text, emoji, voice, and image chat
- Data protection and clearing
- Group management
- Instant announcements
- Message recall and do not disturb
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「 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。
Coffee Private Messenger
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- 隱私 注重隱私，提供完整的私密訊息 - 聊聊 各種話題，陪你聊天 - 無負擔 隨時隨地，無負擔的輕陪伴 Term of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://www.generateprivacypolicy.com/live.php?token=YcOcoVZl34lbdLLf2YxphnlCvaFkaHLf
Screenshots
Verdict
The clearest difference is in-app purchases: 私信 at none against Coffee Private Messenger's 1. 私信 also leads on update cadence (every 3 weeks vs every 7 months) and iOS requirement (13.0 vs 15.1). 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
Both are free to download. Coffee Private Messenger sells 1 in-app purchase, starting at $6.99 per 7 days. 私信 asks for nothing beyond the download.
私信 ships an update every 3 weeks, Coffee Private Messenger every 7 months. The most recent releases landed on September 26, 2026 and October 16, 2026 respectively.
| Parameter | 私信 | Coffee Private Messenger |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 17 MB | 42 MB |
| Age rating | 4+ | 17+ |
| Developer | 香港鳳凰互聯網科技有限公司 | Kuan Hua Luo |
In-app purchases
私信
No in-app purchases
Coffee Private Messenger
- Pro$6.997 Days
