DEVIL's TRAIL tackles the lore of the Jersey Devil, a cryptid in the Pine Barrens of South Jersey, said to be a biped with hooves and wings and a mythology going back to the 1700s. Two survival show streamers go there to search for it within the framework of a 21-day survival challenge. Early on, they encounter a coven of witches and from then on their endeavor seems to be jinxed.
Other than the cryptid in question, this movie offers little that hasn't been in done countless other found footage movies before.
On the positive side, the Dallas character did do a fairly good job of portraying an awkward introvert who almost cracks under pressure. Also, there was some interesting information about outdoor survival (for example, prior to this movie, I had never heard of a Steripen), even though these two seem to still have done many survivalist faux pas that even I can recognize e.g. Not bringing gloves, maps or lighters.
The ending, which presents two twists back-to-back, is especially poorly executed. The first twist did not give enough information about exactly what was fake and what was real, and the second twist shows a horror scene exactly in the same style of the horror scene before the first twist. This seems like an amateur error in film-making: if you want to convince the audience that things are different now, show them differently!
So, I learned about the Jersey Devil and some basic aspects of survivalism (and that is why I did not rate the film lower), but everything else about this film is forgettable.