Support

NumJam Support

Need help with NumJam? I can help with calculator behavior, sound playback, instrument selection, recording, Pro access, restore purchases, and bug reports.

Contact

Email lnguyen@plnguyen.com. Typical response time is 1-2 business days.

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Common Topics

Refunds and Purchases

All purchases, subscriptions, restores, and refunds are handled by Apple. If you need a refund, request it through Report a Problem.

Privacy

NumJam stores calculator settings, sound preferences, trial status, and recordings on your device. Read the privacy policy for full details.

Terms

Read the NumJam Terms of Use (EULA) for subscription, billing, license, and usage terms. The app also uses Apple's Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.

App Info