KK5.0 vs OSell
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KK5.0
This app provides a unified mobile office portal for businesses, enabling seamless communication and access to corporate IT systems. It facilitates instant messaging, contact management, and company news dissemination, supporting both Chinese and English languages for international enterprises.
- Instant messaging (1-on-1, group, SMS, calls)
- Enterprise contact directory with org structure
- Mobile office integration with existing IT systems
- Company公众号 for news and updates
- Multi-language support (Chinese/English)
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KK5.0帮助企业利用移动终端为员工提供统一的移动办公使用入口，为企业提供一站式移动办公体验。 主要功能： 【即时通讯】以企业通讯录为基础，通过单聊、群聊、短信、电话等功能快速进行企业沟通； 【企业通讯录】通过同步企业组织结构数据，快速查找企业员工信息，快速进行沟通； 【移动办公】通过和企业现有的IT系统对接，重新定义移动化使用场景，快速实现移动办公； 【企业公众号】提供企业文化传播的多图文展现方式，支持和企业IT系系统对接，向企业用户实时推送消息； 【国际化】支持中英文切换，满足国际化企业需求；
OSell
This platform connects global buyers with suppliers from China's industrial cities. It offers an online and offline wholesale marketplace and is expanding its local services with distribution centers and showrooms worldwide.
- Online and offline wholesale marketplace
- Connects global buyers with Chinese suppliers
- International B2B e-commerce
- Global network of distribution centers
- Local showrooms worldwide
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Established in March, 2010, OSell.id is one of the leading international B2B e-commerce platform, that has developed an online and offline wholesale marketplace to link global buyers with suppliers from strong Chinese industrial cities, such as Foshan, Zhongshan, Shenzhen, Suzhou and Weihai. At the same time, we are also building our global network to offer local service by setting up local distribution center and showrooms in Canada, Poland, Dubai, Indonesia, Philippines, Malaysia and Vietnam.
Screenshots
Verdict
The clearest difference is review sentiment: OSell at 99% against KK5.0's 35%. OSell also leads on rating (5.0 vs 1.0). KK5.0's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, update cadence 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.
OSell holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 35% of KK5.0's written reviews are positive against 99% of OSell's.
KK5.0 ships an update every 5 weeks, OSell every 4 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.
| Parameter | KK5.0 | OSell |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 35.0% of reviews | 98.6% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 5 weeks | Every 4 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.1 — better | 13.0 |
| Further details — not scored | ||
| Size | 42 MB | 105 MB |
| Age rating | 4+ | 17+ |
| Developer | SHENZHENSHI LANDRAY SOFTWRE CO.,LTD | Osell DinoDirect China Limited |
Customer experience
KK5.0
OSell
In-app purchases
KK5.0
No in-app purchases
OSell
No in-app purchases
