Some screenshot apps will allow you to take screenshot on SnapChat secretly. For iOS, there are SnapSave, Snapkeep. For Android, there is SaveMySnap. But it is not available on Google Play, so you have to go to its page and download the APK.
Some screenshot apps will allow you to take screenshot on SnapChat secretly. For iOS, there are SnapSave, Snapkeep. For Android, there is SaveMySnap. But it is not available on Google Play, so you have to go to its page and download the APK.