Outscraper is a decent online scraper that's easy to use and has a lot of different scraping capabilities from Google reviews, to TripAdvisor.
It's pretty easy to work your way around, but below I've gone through and example of scraping Google Maps.
Example 1: Scraping Google Maps with Outscraper
Part 1: Setting up the scraper
You may notice I have 'plain queries' unselected in the video - this is because I wanted to scrape a category.
If you want to scrape set URLs from Google maps or you want to scrape from a search, then you will need to select 'plain queries'.
Part 2: The results