U vs CmEcho
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
U
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U:UChat – A new chat experience that brings emotions to life! When you send a message to your friends, the image that will be included is a surprise until you send it! • Select an emotion and we'll display an image that matches your feeling. • The "unexpected" element makes it fun! Both sender and receiver will be excited. • Create your own unique avatar with AI for even more personalized fun! This chat is 100 times more fun with friends than alone! Invite your friends and experience this new world of chatting! ▶ Learn how to use it here (Watch the video) https://www.youtube.com/shorts/AyU1gbtJXRc - Privacy Policy https://www.haik.jp/uuchat/rules-and-policies-privacy-policy - Terms of use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
- One-on-one HD video calls
- Group video conferencing
- Private and group chats
- Text, image, and voice messaging
- File sharing
- Encrypted communication
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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
Verdict
The clearest difference is in-app purchases: CmEcho at none against U's 3. CmEcho also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). On price, device support and iOS requirement 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. U sells 3 in-app purchases, starting at $1.99 per month. CmEcho asks for nothing beyond the download.
U ships an update weekly, CmEcho every 3 days. Both last shipped on October 30, 2026.
| Parameter | U | CmEcho |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Weekly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 94 MB | 64 MB |
| Age rating | 12+ | 4+ |
| Developer | HAIK | Lechang Luke Cheng |
In-app purchases
U
- 感情アイコン追加 スタンダードプラン - 1か月$1.991 Month
- 感情アイコン追加 プレミアムプラン - 1か月$3.991 Month
- Generate an avatar$0.99
CmEcho
No in-app purchases
