There are many excellent APP software development companies in Shenzhen. Choosing the company that best suits your needs depends on your project requirements, budget and other considerations. The following are some suggestions, but please note that these are just some references. It is recommended to conduct detailed investigation and communication before choosing.

1.** Tencent:

As one of the largest technology companies in China, Tencent provides all-round technical services, including APP development. They have rich experience in mobile applications, social media and game development.

2.** Huawei Technologies Co., Ltd. (Huawei):

Huawei is the world's leading communication technology company and also provides software development services. They dabbled in mobile applications, cloud services and artificial intelligence.

3.** ByteDance:

ByteDance is a well-known technology company, focusing on short video and social media applications. They have a certain strength in mobile application development and creativity.

4.** Shenzhen Qianhai Yuxiang Network Technology Co., Ltd.:

The company focuses on APP software development, providing all-round services from demand analysis to design and development. They have an experienced development team.

5.** Shenzhen Blueberry Technology Co., Ltd.:

Blueberry Technology is a professional mobile Internet software development company, providing services including APP development, website development and UI/UX design.

Before choosing, I suggest you carefully evaluate each company's case, customer evaluation, technical strength and project experience. In addition, fully communicate with potential partners to ensure a clear understanding of the expectations and needs of both parties for the project.

The above contents were carefully arranged by Zhu Bajie. Com, I hope I can help you.