Free includes every game and core features. Premium unlocks unlimited rounds, 30-day statistics, 3 students and an ad-free experience.
🎁 7 days free for new users
Payments by Paddle · Cancel anytime · Google account only
Download Calculino on Android.
Go to calculino.ge/pricing, click "Get Premium" and sign in with your Google account. Choose monthly or yearly.
Pay by card on the secure checkout page. Premium activates automatically in the app under the same Google account.
Free: 4 operations, 6 exercises, 3 levels on every game, 10-exercise rounds, leaderboard, 5 rounds per 3 hours, 3-day stats and 1 student. Premium adds unlimited rounds, 30-day stats, 3 students with the parent dashboard and no ads.
Yes, anytime — through the Paddle Customer Portal. After cancellation, Premium remains active until the end of the current billing period.
No. Premium is purchased only by a Google-authorized parent/guardian. A student signs in with the email and code assigned by the parent; to buy, they must ask the parent/guardian — who also sees the student's history: what they practiced and where they made mistakes.
Yes — every new user gets a 7-day Premium with no payment. After the trial, Premium continues only with a subscription. Don't want a subscription? The app also offers a one-time $0.70 for 3 hours of unlimited rounds.
Payments are processed by Paddle. If you have an issue, contact us through the contact page and we'll help you out.