Comparison

UUIM vs 大唐云信 IM

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

Head to head
About

UUIM

A secure instant messaging tool for large groups, prioritizing privacy and end-to-end encryption. Supports text, voice, video, and image sharing for private communication.

Highlights
  • End-to-end encryption
  • Large group chats (10,000+ users)
  • Real-time broadcasting
  • Text, voice, video, and image support
  • Privacy protection
  • Simple interface
Features
Read full description

UUIM is an instant messaging app focused on secure encryption, privacy protection, and large-scale group communication. It supports text, voice, video, and image messaging. With end-to-end encryption, your messages stay private and are protected from unauthorized access and tracking. Create groups quickly and enjoy conversations with up to tens of thousands of members, along with real-time broadcasting. Featuring a clean and intuitive interface, easy registration, and reliable messaging, UUIM is ideal for private communication among communities, teams, friends, and family.

About

大唐云信 IM

Features
Read full description

大唐云信是一款支持好友沟通、群组交流和音视频通话的社交应用。 【即时沟通】支持单聊和群聊,可发送文字、图片、语音、视频及文件,查看会话和消息记录。 【音视频通话】与好友进行语音或视频通话,满足日常沟通需求。 【联系人与群组】添加和管理好友,创建群组和频道,查看及管理个人资料。 【动态分享】发布和浏览动态,与好友互动。 【账号管理】提供隐私设置、设备管理、消息通知和账号注销入口。 使用本应用需要注册并登录账号。

Screenshots

UUIM3 screens
大唐云信 IM4 screens

Verdict

The call

The clearest difference is update cadence: 大唐云信 IM at daily against UUIM's every 3 days. 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

UUIM ships an update every 3 days, 大唐云信 IM daily. The most recent releases landed on October 31, 2026 and November 2, 2026 respectively.

Scorecard1 real difference · 8 level
UUIM versus 大唐云信 IM: the parameters behind the verdict, then further details
ParameterUUIM大唐云信 IM
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 daysDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size102 MB89 MB
Age rating4+17+
DeveloperDashi International Group IncWantong Cross-Border Supply Chain Limited

In-app purchases

None

UUIM

No in-app purchases

None

大唐云信 IM

No in-app purchases

Questions

Is UUIM free?
UUIM is free to download, with no in-app purchases.
Is 大唐云信 IM free?
大唐云信 IM is free to download, with no in-app purchases.
Do UUIM or 大唐云信 IM have ads?
Neither UUIM nor 大唐云信 IM shows ads.
Which is updated more often, UUIM or 大唐云信 IM?
UUIM ships an update every 3 days, and 大唐云信 IM daily. Most recently, UUIM was updated on October 31, 2026 and 大唐云信 IM on November 2, 2026.

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