When comparing Scratch vs Roblox Studio, the Slant community recommends Scratch for most people. In the question“What are the best engines for easily creating online multiplayer games?” Scratch is ranked 8th while Roblox Studio is ranked 9th. The most important reason people chose Scratch is:
Code is represented as [visual building blocks](http://www.instructables.com/id/How-to-use-Scratch/) that makes it easy to understand how a program is put together.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Visual
Code is represented as visual building blocks that makes it easy to understand how a program is put together.
Pro Great starting point for kids
Scratch was developed specifically for kids ages 8 and up as an exciting way to introduce them to technology. It's designed to be easy to learn, but still provides good depth in computational thinking.

Pro Easy to learn
Scratch is designed to teach computational thinking rather than focus on specific syntax. It was designed specifically to be easy to learn for anyone over the age of 8.
Pro Highly structured
The language is highly structured. Therefore, it gives you the essentials of how to think like a programmer and teaches you good programming practices from early on, so you could write clean, working and readable code in the future.

Pro No need to be able to type

Pro Can be used to create games
Pro It's easy to use
If you want to find an object in the workspace just use workspace or game. In Unity (for example) it's much more complicated.
Pro Easy multiplayer
Multiplayer is set up on project load.
Pro Easy to use for children
It's the entrance to game development. But it will be likely, that you abandon Roblox as soon you turn old enough.
Pro AI Scripting
Pro No serverhosting required
Pro No website needed
Roblox hosts a very basic website to play your game for free.
Pro It’s fast
Scripting can take maybe only 30 minutes to get some real work going while others take hours.
Cons
Con For kids
For kids.
Con Won't get you a job
Scratch is not a language used in the workplace. Instead it teaches computational thinking, helping to create a foundation to aid in learning other languages.
Con Does not teach you programming
Learning Scratch might help you if you have high difficulty with logical thinking. However, starting with a proper programming language, especially an easy one, will give you the benefits of starting with something like Scratch and everything else.
Con Strange OOP
Scratch has a very strange implementation of OOP that is sprite based, and will become very confusing when you move to other languages.
Con Weird
It's straight up weird.
Con No support for Linux
With the new-Bit client, Roblox went out of their way to make it impossible for Linux users.
Con No tutorial system in place to teach new dev's the basics
Con Can only be published on Roblox
You can't export your game to Steam, Epicgames, Snapcrft or Flathub.
Con "Potato Servers"
Roblox Servers aren't that good in performance. Also, a server can officially only handle 100 players at the time. They tried 200 player severs, but abandoned this idea.
Con Players need to be online at all times to play your games
Con Can't selfhost servers
You can only use the Roblox servers.
Con Can't post links in games
The Roblox TOS only allow Links to certain platforms like Guilded.
Con High tax rate
Be ready to give 75% of your earnings to Roblox.
Con Bad moderation system
