Get the .apk setup package of Rekam Suara 1.0 that is free and take a look at users' reviews on Droid Informer. The file size is 744 KB and the app is designed for Android 4.1 and higher. According to the antivirus report, this application doesn't contain viruses or any kind of malware. Gulajava Ministudio is the developer of Rekam Suara that can be found in the Tools category.
Over 10K users downloaded and set up the app and its most recent release was on May 7, 2014. The overall score for this application is 4.3 on Google Play.