Yes. The app is free, in all 175 countries it sells in, and it sells nothing inside it.

Does 51CTO have a free trial?

No. None of its offers (US) come with a free trial.

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51CTO

Name: 51CTO
Rating: 3.3 (195 reviews)
Author: 北京无忧创想信息技术有限公司

北京无忧创想信息技术有限公司

Prices are current as of 19 Aug 2026.

51CTO has no in-app products on record in the United States.

3.3 out of 5, based on 195 reviews.

Is 51CTO free?: Yes. The app is free, in all 175 countries it sells in, and it sells nothing inside it.
Does 51CTO have a free trial?: No. None of its offers (US) come with a free trial.

Last updated 3 months ago.

51CTO sells in 175 countries. It was released 10 years and 10 months ago, on 24 Nov 2015. It holds a 3.3 rating from 195 reviews.

Supports 2 languages: English, Chinese.