1. Transmission
There is not much difference in data transmission capabilities. When it's time to send and receive photos and download files, the first reaction of most users is to connect to WiFi rather than looking for a data cable.
There is a difference in charging capabilities, with Type-C being superior to Lightning, and the reason most people look for a cable is to charge their phone.
2. Skill principle
The skill principle of data transmission is SerialCommunication.
The skill principle of charging communication, Type-C has a separate CC cable to hold the charging protocol.
3. Cost
Not sure, but the cost of Type-C will land as the market expands and more and more chip products hit the market.
4. User experience
Both are double-sided pluggable, with little difference.
The Lightning connector is a little smaller, while the Cable ends of Type-C are interchangeable.
5. Market
Today Apple phones take Lightning, while few take Type-C. The Type-C market will be bigger in the future, and ultimately USB is the industry standard. In addition to the cell phone market, other electronic products (such as computers, TVs and cars) can take Type-C charging results and other protocols (such as DisplayPort protocol) compatible results.