The latest update of Parallel Space was released on Sep 29, 2020 and the app has been installed by over 100M users. Some in-app purchases and adverts are included into this application. The app is very popular among Samsung and Micromax users.
A free .apk file of Parallel Space 2.2.5439 is available from Droid Informer and you can have a look at users' reviews on this site. Prepare 3 MB of free space on your device for this app installer.
Some users state that the significant benefits of the app are a nice user interface and nice performance. According to the users’ feedback, the major disadvantages of this application are server errors, many advertisements and high battery usage.