Support
Need help with Compound Interest: Calculator? Most questions are answered below. If you still need assistance, email us and we will get back to you.
[email protected]Using the calculator
Enter your starting amount, interest rate, duration, contributions and compounding settings to generate projections. Results are estimates based on your assumptions and are not guaranteed investment outcomes.
Purchases, subscriptions and restoring purchases
Optional purchases are billed through your Apple ID. If paid features are not showing after purchase, use Restore Purchases in the App and confirm you are signed in with the same Apple ID used to buy. Billing, renewals, cancellations and refunds are handled by Apple.
Calculation questions and technical issues
If a projection looks unexpected, check your inputs, contribution frequency, compounding frequency and any advanced assumptions. For technical issues, email [email protected] with your device model, iOS version and a short description of what you are seeing.
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General enquiries
Email [email protected] with your question and we will respond as soon as we can.