Good app but can’t change language
The exercise is nice but I’m stuck at using Japanese
Response from developer
Thanks for playing! Some screens were still in Japanese — fixed in the update coming out now. It'll be fully English soon.
Derivon User Reviews
Is Derivon Safe?
Not enough ratings yet to assess Derivon.
Is Derivon Legit?
Derivon - Calculus Practice has limited verification signals. AppsHunter Legitimacy Score for Derivon is 48/100.
Based on 48 of 100 points across 7 verification signals from App Store and developer data.