MMS HDCVI iPhone App Replacement?

So a relative has an analog camera system at their house with RDS H.264 Digital Video Recorder and we’ve been using the MMS HDCVI app on the iPhone to watch live previews remotely. However, upgrading to a new iPhone and attempting to reinstall the app onto the new iPhone with the latest iOS we’ve been getting the following message: “Unable to install MMS HDCVI The app is no longer available in the App Store.” So does anyone know if there is any other iPhone app instead of MMS HDCVI that we can use in its place to view the cameras remotely? We tried Amcrest View Pro, but it failed to pair up with the camera system. Any help would be much appreciated!

submitted by /u/HisJudgementCometh
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