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Anyone interested in improving their mental maths skills. Users must be aged 16 or over, and you need to be 18 or over to buy a subscription.

Personalised daily maths practice. Each session is about five minutes and works on the one skill that will help you most right now.

Around five minutes. You get one Daily Sharpen a day, and you can take extra practice whenever you want.

You type them. Entering a numerical or algebraic answer yourself strengthens recall in a way that choosing from a list does not.

No. Daily Sharpen is independent practice and is not affiliated with or endorsed by any university, exam board, admissions body or testing provider.

We cannot promise that. Daily Sharpen gives you practice and evidence of what you have improved. We do not guarantee grades, test scores or admissions decisions.

Each day starts with quick reviews to keep past skills warm, then concentrates on one skill. That focus holds across days, at your level and your pace, until it is fluent. Then it moves to a spaced maintenance schedule and the next skill takes over.

You see the answer and an efficient method, then enter the answer yourself before moving on. That is the point of the exercise, not a penalty.

A question you put right returns later, unannounced, to check the repair held. A skill only counts as retained once you get it right again on a later day, mixed in among others.

Speed is trained deliberately, but never first. A skill's clock only tightens once you are reliably accurate at your current level. Correct but slow is never marked wrong; it is simply the next thing to work on.

It finds your starting point so your daily practice begins in the right place. It takes about ten minutes and you only do it once. If you did the free taster, it reuses that evidence and asks fewer questions.

Seven short sessions, at most one a day, available for ten days from when you start. Email address only, no payment card.

No, it is available once per learner. It is a sample rather than a subscription trial, so it does not renew or turn into a paid plan.

It is reused. Your calibration builds on what the taster already showed rather than starting again.

In Settings, choose Manage billing. You can update your payment method there, or cancel. Cancelling stops the next renewal and your access continues to the end of the period you have already paid for.

Subscriptions are non-refundable except where the law requires it, and we do not refund partly used periods. Because access starts immediately, you give up the statutory right to cancel for a refund when you buy.

We always correct duplicate charges and billing errors.

We tell you before a new price applies to your renewal.

Your email address, first name and time zone. Your answers, how long they took, and the progress records built from them. Your subscription status and billing history. Basic device and browser information for security.

No. Payments are handled by a specialist payment provider, and we never see or store your card number.

No. Signing in uses a one-time code sent to your email, so there is no password to store or lose.

No, neither. We may use de-identified, aggregated data to improve the service, which means data that is no longer tied to you. Your data is private by default.

While your account is active, so your progress stays available to you. You can delete your account at any time, which removes your account and learning data from active systems. Billing records we are legally required to keep are held separately.

Check your spam folder. Codes come from noreply@micantes.com and usually arrive within a minute. Request a new one if you need to; the older code stops working.

Yes, in Settings. Nothing you have earned is lost: your evidence and history carry over, and only the pathway and its targets change.

No. Accounts are for one learner, which is also what keeps your progress records meaningful.

Settings, then Delete account. It removes your profile and learning history.