Last updated: August 6, 2026 · Applies to all Nissim Solutions products: FartBank (fartbank.net), FlatoScope (flatoscope.com), FitMath / Dr. K (fitmath.net), Toolkit (toolkit.nanachu.net), NanachU and NanaChu Merch (nanachu.net).
Nissim Solutions operates entertainment, education, and productivity apps under the domains listed above. By creating an account or making a purchase, you agree to these terms.
Didn't mean to subscribe, forgot to cancel, or a charge doesn't look right? Reply to your emailed receipt or contact us through any product site — we resolve honest mix-ups with a refund, fast. One-time purchases of digital content are otherwise final once delivered; physical merch can be returned per the return info included with your order.
Content you upload or record (including audio) stays yours. You give us permission to store and process it so the product can work. Don't upload content that's illegal or that you don't have the right to use.
We may suspend accounts that violate these rules; where reasonable, we'll warn you first.
Our products are provided "as is." Entertainment products (yes, including the fart apps) are for entertainment; FitMath is a study aid, not a substitute for professional instruction; FlatoScope wellness features are not medical advice. To the maximum extent permitted by law, our liability for any claim is limited to the amount you paid us in the twelve months before the claim.
If we update these terms, we'll change the date at the top of this page and flag meaningful changes in-product. Continuing to use the services after changes means you accept them.
Questions about these terms or any charge: reply to your emailed receipt, or reach us via any of the product sites listed at tnks.org.