37Soul, developed by Qumge Infotech (Shanghai) Co., Ltd., creates AI-based digital doubles of creators by processing uploaded photos, videos, audio, and text inputs. The resulting avatars can converse with fans around the clock via AI chat, enabling subscription monetization as creators set their own monthly prices. The product emphasizes privacy, compliance and security, noting GDPR/CCPA compliance and SOC-2 certification. The homepage highlights the ability to configure personality and speaking style, and to guide the avatar's appearance, voice and expressions. The target audience includes content creators with a recommended 1000+ fans and sufficient source material. Setup is described as roughly 10 minutes. Pricing hints indicate a creator-set monthly price in the 29–99 CNY range with an 80/20 revenue split in favor of creators. However, formal pricing plans and detailed plan features were not publicly posted due to routing errors on pricing pages. There is no free trial information publicly available.