Yes, both Screenshotlayer and ScreenshotOne offer a Free Trial.
Screenshotlayer is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ScreenshotOne is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Screenshotlayer Starts at $15.99/Month when Billed Yearly whereas for ScreenshotOne Starts at $12/Month when Billed Yearly.
Some top alternatives to Screenshotlayer includes Capture, Urlbox, GetScreenshot, ApiFlash, Screenshot Machine, ScreenshotAPI, Screendot, Awesome Screenshot and ScreenshotOne.
Some top alternatives to ScreenshotOne includes Capture, ScreenshotsCloud, GetScreenshot, Screenshot Machine, ScreenshotAPI, Screendot, Qualified, TakeAscreen, TinySnap, Workvivo and IFTTT.