# Using ChatSDK v4 on web and v3 on the app

**URL:** <https://community.sendbird.com/t/using-chatsdk-v4-on-web-and-v3-on-the-app/5491>\
**Category:** JavaScript\
**Tags:** react-js, chatsdk, react-native\
**Created:** [September 2, 2022, 9:24am UTC](https://community.sendbird.com/t/using-chatsdk-v4-on-web-and-v3-on-the-app/5491 "2022-09-02T09:24:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![jhson](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/jhson/32/2037_2.png) [@jhson](https://community.sendbird.com/u/jhson)\
**Post date:** [September 2, 2022, 9:24am UTC](https://community.sendbird.com/t/using-chatsdk-v4-on-web-and-v3-on-the-app/5491/1 "2022-09-02T09:24:01Z")

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Hi,

I’m currently trying to migrate ChatSDK v4 on the web, but I’m using v3 on the app.  
Will there be any issues consuming messages, channels, etc from v3 to v4 and vice versa?

Thanks,  
Son

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**Author:** ![Brian\_Sang](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/brian_sang/32/1228_2.png) [@Brian\_Sang](https://community.sendbird.com/u/Brian_Sang)\
**Post date:** [September 5, 2022, 1:04am UTC](https://community.sendbird.com/t/using-chatsdk-v4-on-web-and-v3-on-the-app/5491/2 "2022-09-05T01:04:10Z")

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Hi,

In that case, there should be no issue.

Thanks,  
Brian

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**Author:** ![Irina\_Kashuba](https://sea2.discourse-cdn.com/flex020/user_avatar/community.sendbird.com/irina_kashuba/32/2045_2.png) [@Irina\_Kashuba](https://community.sendbird.com/u/Irina_Kashuba)\
**Post date:** [September 20, 2022, 8:46pm UTC](https://community.sendbird.com/t/using-chatsdk-v4-on-web-and-v3-on-the-app/5491/3 "2022-09-20T20:46:08Z")

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Hi Brian! Could you please check out my issue with chat sdk?