MOTI and MOJO both belong to the same company MOTI in China. This company is financed by Zhen Fund with Pre-A round 10 million dollars for product researching and marketing.
Here are the main differences between Moti and Mojo:
MOTI: For old vapors, flagship product. Cartridge replaceable and reusable vapes
MOJO: For vape beginner starters, starter kit. Disposable vapes.
Related: Vaping360 Disposable Mojo Review