Features:

Save unlimited profile pictures of your contatcs in your gallery.
The new algorythm can still save the profile pictures even from the latest versions of WhatsApp. Comparable apps in the Play Store can't do that anymore.
You can also save multiple/all pictures in one row now

No ads.
Completely offline
Completely free and private.
Works with and without root!

If you have trouble with setting up the app, look under the help, there we have a tutorial video for you
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Disclaimer:
This Android Application is not related to or sponsored by WhatsApp.

Legal:
WhatsApp© is a registered trademark of WhatsApp Inc., a California corporation, the owner and operator of whatsapp.com, the WhatsApp software, including WhatsApp Messenger.
Android is a trademark of Google Inc. The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0 Attribution License.