Both types of videos have their own strengths, but I believe a professionally produced marketing video would be more effective for your product launch.

1)Loom - if you don't have sufficient funds, open the loom and record a demo, It's straightforward, easy, and free, and you gain the "human appeal" and modesty. most PH launches use simple Loom the minuses are you don't project a strong brand identity, lack of funds that might sway away any potential customers 2) motion graphics explainer video - I believe this is the better way (confession: I do own a studio) that combines all of that; doing so, you gain prestige and brand The minuses cost time and money.

A teaser or a 1 min explainer video.

A combination of both teaser and explainer videos can be effective for a product launch. A teaser generates curiosity, while an explainer provides detailed information. Use teaser videos to create anticipation and explainer videos to showcase key features and benefits.