When comparing Rec. (Screen Recorder) vs SCR Screen Recorder Pro, the Slant community recommends SCR Screen Recorder Pro for most people. In the question“What is the best Android screen recorder?” SCR Screen Recorder Pro is ranked 1st while Rec. (Screen Recorder) is ranked 2nd. The most important reason people chose SCR Screen Recorder Pro is:
SCR Pro is the only screen recording tool that operates on Android with inline audio recording, though it is experimental it works pretty well.
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Pros
Pro No need for ROOT on Android 5.0+
With a new screen record feature built into Android 5.0 and up, Rec. is now able to record the screen without ROOT on Android 5 and higher.
Pro Inline audio recording
SCR Pro is the only screen recording tool that operates on Android with inline audio recording, though it is experimental it works pretty well.
Cons
Con Requires ROOT on Android 4.4 and below
Any device running Android 4.4 or bellow will need to have ROOT in order to use this app.
Con No inline sound recording
The only audio recording Rec. has is to use the external microphone, which will record any sound outside of the device and is no good for noisy situations.
Con Pulled from the Play Store
Google has removed this application from the Play Store due to the way the app uses SELinux permissive mode that allowed the app to record inline audio. Maybe if the Android dev team bothered to make a worthwhile screen recorder with working inline audio other people would not have to find workarounds in order to get a working implementation.
Since the app has been pulled and it was a paid app, it is no longer available even to those paying customers on the Play Store, meaning Google has taken away a rightfully paid app they had no issue months ago carrying. Luckily the dev is a stand up guy and has offered the paid version for free on his XDA page in order to make up for the shortsightedness of Google.