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Special bundle price

in collaboration with koobits.

KooBits ProblemSums Online Payment for Individual Purchase Only






Individual Purchase is ONLY available for any parent whose child's school DOES NOT subscribe for the child in school this year. No free trial for individual at this moment.


~ If forgot ID or password for existing accounts, please visit KooBits Support Centre;

~ If you're a school teacher requesting free trial, please go to School Trial Page;

~ If you're not sure whether the school subscrives, email to check.



  • Please fill in all fields below and click Pay Now, then you’ll be redirected to a secure payment page;

  • You can log in your PayPal account, or click Check Out as a Guest to pay with debit or credit card, such as VISA, MasterCard, American Express;

  • After successful payment, you’ll receive receipt and login information by email usually within three working days. If you did not receive any email after 24 hours, please email or call +65 3163 2642 or SMS/WhatsApp +65 8484 6624.

^ PAYMENT TERMS: All prices are in Singapore Dollars (SGD). No GST. 
^^ REFUND POLICY: To continue offering affordable products without unnecessary administrative cost, NO REFUND request will be accepted after 24 hours of payment. Please kindly contact us within 24 hours of payment if it’s made by mistake, for example, the school has subscribed this year.
Your personal information is safe with us. We promise to handle your personal information confidentially. You will only be contacted by us to inform you of anything involving your online payment. You may read our full privacy policy on

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