Yes, both Screenia and ApiFlash offer a Free Trial.
Screenia is designed for Large Enterprises, Small Business, Medium Business and Individuals.
ApiFlash is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of ApiFlash begins at $7/Month, while pricing details for Screenia are unavailable.
Some top alternatives to Screenia includes Capture, Screenshot Machine, Page2Images, ScreenshotAPI, Snapup, Screenlapse, TweetShots, Qualified, TinySnap, Workvivo, ScreenshotOne and IFTTT.
Some top alternatives to ApiFlash includes Capture, ScreenshotsCloud, Urlbox, GetScreenshot, Screenshot Machine, Screenshotlayer, ScreenshotAPI, Screendot, Awesome Screenshot and ScreenshotOne.