Shiku IM vs YU.CO
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
YU.CO
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Discover a new kind of social experience — where communication, inspiration, and creativity come together in one app. YU.CO is a platform that brings together the best elements of social networks, modern messaging, and expert content in one connected ecosystem. Key Features Feed & Stories Share moments with friends through posts and stories. Follow the people who matter to you and discover content from a vibrant, growing community. Modern Messenger Stay connected in real time with advanced messaging features, including file sharing, organized conversations, and a clean, intuitive interface. Expert Content Hub Access exclusive articles, live sessions, and short videos from experts in business, technology, health, creativity, and many other fields. Connections Discover more ways to meet people — whether you are looking for love, friendship, professional connections, or business partners. One App. Endless Possibilities. YU.CO keeps you inspired and informed every day. YU.CO — your universe, revolving around you.
Screenshots
Verdict
The clearest difference is device support: Shiku IM at 3 against YU.CO's 1. Shiku IM also leads on iOS requirement (13.0 vs 17.2). On price, update cadence, ads and in-app purchases 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 ships an update every 3 weeks, YU.CO monthly. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.
| Parameter | Shiku IM | YU.CO |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 181 MB | 237 MB |
| Age rating | 17+ | 12+ |
| Developer | Shenzhen Shiku information technology co., LTD | Irina Dubovitskaya |
In-app purchases
Shiku IM
No in-app purchases
YU.CO
No in-app purchases









