Last updated 4 August 2026. These terms apply to everyone who uses Lottery Pool.
Lottery Pool is a record-keeping application operated by BuiltStack ("we", "us"). These Terms of Service are the agreement between you and us covering your use of the Lottery Pool website, mobile applications, and related services (together, the "Service").
By creating an account, or by using the Service, you agree to these terms. If you do not agree, do not use the Service.
You can reach us at support@builtstack.app.
Lottery Pool is a shared, tamper-evident record for informal lottery pools. It lets a group write down who is in a pool, what each person agreed to contribute, which tickets the group holds, and how any prize would divide among them.
That is the entire function. The Service is a notebook that does arithmetic.
To remove any doubt, the Service does not do any of the following, and we do not act in any of the following capacities:
To use the Service you must:
You tell us where you live and we rely on your answer. If that answer is untrue, you are using the Service without authorisation and any resulting consequence is yours.
The Service is offered in the United States only. It is not directed to anyone under the minimum age stated above, and we do not knowingly permit minors to use it. If you believe a minor has created an account, tell us at support@builtstack.app and we will close it.
This is the most important section in this agreement, so it is written plainly.
When you organise or join a pool, you are entering into an arrangement with the other people in that pool, not with us. We are not a party to it. Specifically:
Choose your pool organiser the way you would choose someone to hold your cash. Because that is what you are doing. The Service makes the arrangement transparent and hard to dispute. It cannot make anyone honest.
We work hard to get the arithmetic right, and the prize-splitting logic is written to account for every cent. Even so:
The Service is provided "as is" and "as available", without warranties of any kind, whether express or implied, including any implied warranty of merchantability, fitness for a particular purpose, accuracy, or non-infringement. We do not warrant that the Service will be uninterrupted, timely, secure, or error-free, or that any result, number, calculation, or record it displays is accurate or complete. Some jurisdictions do not allow the exclusion of implied warranties, so parts of this paragraph may not apply to you.
You agree not to:
We may suspend or close any account that breaches this section, without notice where the breach is serious.
Core features of the Service are free. A pool organiser may optionally subscribe to a paid plan for additional software features, such as more pools, more members per pool, and ticket photographs.
Lottery winnings are generally taxable income, and prizes above certain thresholds carry reporting and withholding obligations. In the United States, the person who claims a prize is ordinarily the person the lottery reports to the Internal Revenue Service, and dividing a prize among a group may create further reporting obligations for that person.
We do not provide tax advice, do not file anything on your behalf, and do not report anything to any tax authority about your pool. Records produced by the Service are not tax documents. If your group wins a meaningful amount, speak to a tax professional before you divide it.
You keep ownership of everything you put into the Service — pool details, names, notes, and ticket photographs. You grant us a limited licence to store, process, and display that content for the sole purpose of operating the Service for you and the members of your pools. That licence ends when you delete the content or close your account, except for copies we must retain to comply with law.
You are responsible for having the right to upload what you upload, including any photograph that shows another person's information.
Our Privacy Policy explains what we collect, why, who we share it with, and how to have it deleted. It forms part of this agreement.
You may stop using the Service and close your account at any time. We may suspend or terminate access if you breach these terms, if we are required to by law, or if continuing to provide the Service to you would expose us or other users to material risk.
If we terminate your account other than for a breach by you, we will refund the unused portion of any subscription you have paid for.
Sections that by their nature should survive termination — including sections 4, 5, 12, 13, and 14 — continue to apply after your account ends.
To the fullest extent permitted by law:
Some jurisdictions do not allow certain limitations of liability, so parts of this section may not apply to you. Nothing in these terms limits liability for fraud, for fraudulent misrepresentation, or for anything else that cannot lawfully be limited.
You agree to indemnify and hold us harmless from any claim, demand, loss, or expense (including reasonable legal fees) arising out of your use of the Service, your breach of these terms, your breach of any law, or any dispute between you and another member of a pool.
If you have a problem with us, email support@builtstack.app with a description of it and what you would like us to do. Most things are resolved this way. Neither of us may start a formal proceeding until 60 days after that notice.
If we cannot resolve it, you and we agree that any dispute arising out of or relating to these terms or the Service will be resolved by binding individual arbitration administered by the American Arbitration Association under its Consumer Arbitration Rules, rather than in court. The arbitration will take place in the county where you live, or by videoconference or on documents alone if you prefer. The arbitrator's decision may be entered as a judgment in any court with jurisdiction.
Either of us may still bring an individual claim in small claims court instead, and either of us may seek injunctive relief in court to protect intellectual property.
You and we each agree to bring claims only in an individual capacity, and not as a plaintiff or class member in any purported class, collective, consolidated, or representative proceeding. An arbitrator may not consolidate more than one person's claims. If this paragraph is found unenforceable, the whole of section 14.2 does not apply to that claim.
You can decline arbitration and keep your right to sue and to join a class action. Email support@builtstack.app with the subject line "Arbitration opt-out", stating your name and the email address on your account, within 30 days of first accepting these terms.
Opting out costs you nothing and changes nothing else about your account. We will confirm in writing.
These terms are governed by the laws of the State of New York, without regard to its conflict-of-laws rules. Where a dispute proceeds in court rather than arbitration, it will be brought in the state or federal courts located in New York, and both of us consent to that jurisdiction — except that nothing here deprives you of the protection of mandatory consumer law in the state where you live.
We may update these terms. If a change is material, we will tell you by email or in the app at least 30 days before it takes effect, and the date at the top of this page will change. Continuing to use the Service after that means you accept the new terms. If you do not accept them, close your account before they take effect and we will refund any unused subscription.
Lottery play is gambling. The overwhelming majority of players lose money over time, and pooling does not change the odds of any individual ticket — it changes how a prize would be shared if one arrived.
If gambling is causing difficulty for you or someone you know, free confidential help is available 24 hours a day at 1-800-GAMBLER (1-800-426-2537), or at ncpgambling.org.