Which one is better, Tianxing or vivi?

Both are good.

Tianxing: Tianxing provides comprehensive services, including travel, hotels, air tickets, visas, etc. Users can complete all travel-related reservations and arrangements on one platform. Tianxing’s prices are relatively transparent, but some services may charge a certain fee. Tianxing's services have a wide coverage and can meet the needs of most travelers.

vivi: vivi focuses more on the hotel field, providing hotel booking, hotel recommendation and other services. Compared with Tianxing, vivi is more professional and detailed in hotel booking, and users can find hotels that meet their needs more conveniently and quickly. At the same time, vivi will also provide some preferential activities and special rooms to attract more users to choose its services.