Comparison

长聊 vs CmEcho

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

Head to head
About

长聊

Features
Read full description

长聊——面向商务与私密沟通的安全IM。端到端加密守护消息与通话,支持语音/视频、一对一与私密群聊、文件加密传输与多端同步;重视隐私与合规,为团队提供稳定可靠的沟通体验。 用户协议: https://jingjixuan.com/agreement/user-agreement

About

CmEcho

This app offers secure video conferencing and instant messaging with a focus on privacy. It supports one-on-one and group calls, file sharing, and encrypted communication for personal and professional use.

Highlights
  • One-on-one HD video calls
  • Group video conferencing
  • Private and group chats
  • Text, image, and voice messaging
  • File sharing
  • Encrypted communication
Features
Read full description

CmEcho 是一款专注隐私保护的视频会议和即时通讯应用,让您与家人、朋友和同事保持安全高效的沟通。 【视频通话】 • 一对一高清视频通话 • 多人视频会议 • 前后摄像头自由切换 • 清晰流畅的音视频体验 【即时消息】 • 私聊和群组聊天 • 发送文字、图片、语音消息 • 文件分享,支持多种格式 • 消息已读状态 【语音通话】 • 高质量语音通话 • 来电推送通知 • 后台通话支持 【联系人】 • 扫码添加好友 • 好友请求管理 【隐私保护】 • 加密通信传输 • 不收集不必要的个人信息 适用于家庭视频聚会、远程办公会议、朋友日常聊天、小型团队协作等场景。

Screenshots

长聊4 screens
CmEcho4 screens

Verdict

The call

The clearest difference is in-app purchases: CmEcho at none against 长聊's 16. CmEcho also leads on update cadence (every 3 days vs every 10 days) and device support (4 vs 2). On price and ads 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. 长聊 sells 16 in-app purchases, starting at $3.99 per month. CmEcho asks for nothing beyond the download.

UpkeepUpdate frequency

长聊 ships an update every 10 days, CmEcho every 3 days. The most recent releases landed on September 11, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 5 level
长聊 versus CmEcho: the parameters behind the verdict, then further details
Parameter长聊CmEcho
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 10 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod, Mac — better
Requires iOS15.613.0 — better
Further details — not scored
Size215 MB64 MB
Age rating17+4+
Developer广州宇罡网络安全技术有限公司Lechang Luke Cheng

In-app purchases

16 purchases

长聊

Subscriptions10
  • 连续包月ai文生文功能包$3.991 Month
  • 连续包月智能BM缓存$5.991 Month
  • 连续包月群聊功能包$6.991 Month
Show 7 more
  • 连续包2个月智能BM缓存$9.992 Months
  • 连续包季智能BM缓存$14.993 Months
  • 连续包季群聊功能包$19.993 Months
  • 连续包半年智能BM缓存$24.996 Months
  • 连续包半年群聊功能包$29.996 Months
  • 连续包年智能BM缓存$39.991 Year
  • 连续包年群聊功能包$49.991 Year
One-time6
  • 包月ai文生文功能包$3.99
  • 50次文生图功能-30天有效$6.99
  • 120次文生图功能-90天有效$14.99
Show 3 more
  • 60天消息发送数量无限制+功能$19.99
  • 500次文生图功能-180天有效$59.99
  • 1200次文生图功能-365天有效$99.99
None

CmEcho

No in-app purchases

Questions

Is 长聊 free?
长聊 is free to download, with in-app purchases available.
Is CmEcho free?
CmEcho is free to download, with no in-app purchases.
Do 长聊 or CmEcho have ads?
Neither 长聊 nor CmEcho shows ads.
Which is updated more often, 长聊 or CmEcho?
长聊 ships an update every 10 days, and CmEcho every 3 days. Most recently, 长聊 was updated on September 11, 2026 and CmEcho on September 15, 2026.

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