When comparing Screencast-O-Matic vs Mirillis Action!, the Slant community recommends Mirillis Action! for most people. In the question“What are the best screen recorders for Windows?” Mirillis Action! is ranked 4th while Screencast-O-Matic is ranked 15th. The most important reason people chose Mirillis Action! is:
It consumes less resources and is more fluid than OBS. For example, a 1 GB GTX 750 records perfectly in 1920 x 1084 at 60 fps up to 4K, without using the processor, only the graphics card. Trying to do the same with OBS, the recordings do not exceed 15 FPS, nor is it possible to stream with OBS. With Mirilis Action it is possible to stream in high quality at 60 FPS, no matter the platform, it is fluid (tested with 8000Kbps upload and stream with 8GB Ram at 1600Mhz).
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Includes basic video editing tools (pro)
The webapp includes video editing tools that allow cutting out and trimming around a section, zooming in & out, changing playback speed and adding transitions among other things.
Pro Web-based
Pro Scripts tool
Pro Webcam support
Pro Adjustable cursor size and optional click vizualizion
Pro Annotate video
Pro Full screen and area capture
Pro It records without using the CPU and consumes less resources than OBS and is several times more fluid and intuitive
It consumes less resources and is more fluid than OBS. For example, a 1 GB GTX 750 records perfectly in 1920 x 1084 at 60 fps up to 4K, without using the processor, only the graphics card. Trying to do the same with OBS, the recordings do not exceed 15 FPS, nor is it possible to stream with OBS. With Mirilis Action it is possible to stream in high quality at 60 FPS, no matter the platform, it is fluid (tested with 8000Kbps upload and stream with 8GB Ram at 1600Mhz).
Pro The only software to record audio from selected application or game (not including unwanted sounds from the system)
Pro Recording webcam or USB/HDMI Capture Devices
Cons
Con Restrictive free version
Free version is limited to creating up to 15 minute long, watermarked standard definition videos.