Shiku IM vs 航天云智
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Shiku IM
A secure and feature-rich instant messaging application designed for high concurrency and availability. It offers a comprehensive suite of communication tools, including text, voice, and video conferencing, with robust privacy features and private cloud support.
- High concurrency and availability
- End-to-end encryption
- Private cloud support
- Voice and video conferencing
- Burn after reading messages
- Group chat up to 10,000 members
- Shared desktop functionality
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This is an original instant messaging software with stable performance and features. 1. high concurrency: the measured concurrent number is above 20W, and it supports hundreds of millions of users. 2. high availability: the server does not need to restart for half a year, automatic load balancing. 3. function: mainstream IM has all the functions, and we still have none. 4. private cloud: support for privatization and deep customization, not subject to people. 5. high security: communication protocol adopts high intensity encryption algorithm, and chat records do not leak. 6. Support appointment meeting, voice conference, video conference, shared desktop, text chat in the meeting, member management, etc The specific functions are: 1. address book, supporting friend validation or non verification, two-dimensional code, label grouping, pulling black, my colleagues, public numbers, multiple entry, my phone sending messages to my computer, etc. 2. single chat, support message receipt, burn after reading, display read, message free, top, withdraw, video chat, search chat records, etc. 3. group chat, support bulletin, @ group members, group members, group validation, group nicknames, group management, number of readers, video conferencing, etc., to support 10000 people. 4. message, support long text, pictures, recording, video, business card, location, animation, archives, red packets, screenshots and other types. 5. Privacy, exclusive ownership of features such as delivery, read, burn after reading, end-to-end encryption, private groups, private group members, etc
航天云智
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航天云智 - 安全即时通信与移动办公解决方案 为满足移动办公场景下的安全通信和流程审批需求,航天长征火箭技术有限公司建设了一套可在互联网使用的加密即时通信与移动办公系统「航天云智」,支持国产硬件平台和私有化部署,提供主流的即时通信特性,包括文本、图片、语音、短视频、文件等即时信息的收发、一对一单聊和多人群聊、实时音视频通话等功能,并设计了完善的流程审批引擎和模版,实现与单位内网各类办公应用系统对接,为各类流程审批提供消息推送和实时提醒等能力,实现单位用户安全、高效的移动办公和沟通交流。 本系统自主研发设计、具有完全知识产权,与其他互联网个人即时通信应用相比,其主要特色和技术优势如下: 【灵活强大的流程审批引擎和安全的移动办公平台】 - 流程审批引擎支持模板化定制,提供外出备案、用印申请、请示呈批、传真申请、请假出差等十余个审批电子流,无需进行定制化的代码开发,提高部署实施和交付效率,更灵活的适应单位内部需求。 - 所有电子流在审批状态流转的过程中,基于即时通信平台安全加密、实时高效的消息推送机制,实时通知审批电子流状态,提醒各环节的责任人及时处理。 【高强度的加密技术和信息防泄漏方案】 由于面向互联网提供服务,该系统必须具备极强的保密性和抗攻击能力,所有数据需要经过国家商用密码算法的高强度加密,以抵御外部恶意攻击和内部信渎职。同时,为满足单位内部对信息传播的管控需求,系统提供完善的信息管控和防泄露方案:文档沙箱与只读预览、文档敏感信息检测、消息回执、阅后即焚、远程销毁、消息防截屏、群聊水印、一次性绝密聊天等特性。 【全平台跨设备消息同步与丰富的群聊功能】 - 客户端全平台; - 支持消息在不同的设备间无缝同步,方便数据跨设备共享。 - 丰富的群聊和群管理功能:群公告、群文件管理、群评审、群投票、消息过滤、消息回复、群话题、公开群、群成员隐藏、截屏惩罚、阅后即焚、远程销毁、群聊水印、纯语音模式、群成员禁言、禁止文件发送、群成员禁止黑板报和远程销毁功能等。
Screenshots
Verdict
The clearest difference is rating: Shiku IM at 5.0 against 航天云智's 1.0. 航天云智's advantage is iOS requirement (9.0 vs 13.0). On price, ratings volume, update cadence 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Shiku IM holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Shiku IM ships an update every 3 weeks, 航天云智 monthly. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.
| Parameter | Shiku IM | 航天云智 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 181 MB | 184 MB |
| Age rating | 17+ | 4+ |
| Developer | Shenzhen Shiku information technology co., LTD | Hangzhou AKEY.ME Co., Ltd. |
Customer experience
Shiku IM
航天云智
In-app purchases
Shiku IM
No in-app purchases
航天云智
No in-app purchases








