Warsaw routinely requests corrections when global media or politicians describe as "Polish" former death camps like Auschwitz set up by Nazi Germany in occupied Poland during World War II.
The move comes after Poland's new right-wing government proposed jail terms of up to five years for anyone who refers to Nazi death camps as Polish.
Even if used as a geographical indicator, Poles insist the term can give the impression that they bore some responsibility for the Holocaust.
US President Barack Obama used the term in 2012 and later expressed "regret".
Dubbed "Remember", the application is intended "to help avoid the use of the term 'Polish concentration camps' or 'Polish death camps' in 16 languages," according to a statement issued by the Auschwitz state museum in Oswiecim, southern Poland on Tuesday.
Poland was attacked and occupied by Nazi Germany in the Second World War and was among the hardest hit by the conflict, losing six million of its citizens between 1939 and 1945, including three million Jews in the Holocaust.
The application works as an add-on to Microsoft Word and Apple text editors and is available at: https://correctmistakes.auschwitz.org/