The app is totally safe to download. Amistad sp. z o.o. is the creator of Opatów which belongs to the Travel & Local category. The tool was downloaded and set up by over 100 users and the most recent stable update was on Sep 1, 2016.
The overall score for this application is 4.8 on Google Play. You are able to download the installation package of Opatów 1.0 for free and have a look at users' reviews on Droid Informer. The app works fine on Android 4.0.3 and above.