How they compare
Fleshlight is the best-known male stroker brand, with many textures and sizes, including models moulded from well-known performers. It costs more than generic strokers and needs proper cleaning.
Tenga is a Japanese brand known for well-designed toys, from cheap single-use ones, good for trying things out, to reusable models that are easy to clean. Single-use items add up if you use them often.
Neither is interactive; for that, look at Lovense or Kiiroo.