Characters can be enhanced with currency known as crystals, and there are daily login bonuses in the form of gems and summon tickets.
[4] Nick Tylwalk of TouchArcade praised the game for not being a "gacha grab" and "generous" with its currency, lauding it as a good example of appropriate fan service.
[6] Christian Colli of Multiplayer.it rated it 8/10 points, praising the combat system as fun and original, but criticizing the game's repetitiveness and lack of an Italian localization.
[7] Harry Slater of Pocket Gamer called Opera Omnia "fairly standard" and said it would be more appealing to dedicated fans of the series.
[8] A user named "Hatok", in an act of preservation, recorded all the cutscenes and battle sequences from the game's story line.