We believe the best products solve our team's everyday problems. We build products that we actually use. What can you expect from us?
and you will love too
because we can't wait to get our creations out into the world
Challenge-centered habit tracking
Lock In is our challenge-centered habit tracking app.
We truly believe you can change your life by locking in. Choose how long you want to lock in for and join a challenge. Or, let AI design the perfect challenge to help you reach your goals.
Then, commit to locking in every day and watch your life transform.
We're constantly building new apps and tools. Stay tuned for more innovative solutions that will make your life easier and more productive.
Effective Date: September 1, 2025
These Terms of Service (the "Terms") are a legally binding agreement between you and An App A Day, LLC ("An App A Day," "we," "us," or "our") and govern your access to and use of our websites, mobile applications, and related services (collectively, the "Services"). If you do not agree to these Terms, do not use the Services. Our Privacy Policy is incorporated by reference. If you are accepting these Terms on behalf of an entity, you represent that you have authority to bind that entity, and "you" refers to that entity.
You must be at least 13 years old (or 16 if you are located in the EU/UK) to use the Services. If you are under the age of majority in your jurisdiction, you represent that a parent or legal guardian has reviewed and accepted these Terms and will be responsible for your use. If you use the Services on behalf of an organization, you represent that you have the authority to bind that organization.
You may need an account to use certain features. You agree to: (a) provide accurate information; (b) keep your credentials confidential; and (c) be responsible for all activity that occurs under your account. Notify us promptly of any unauthorized use.
Paid features of the Services are sold exclusively through the Apple App Store and Google Play (each, an "App Store"). Your purchases, billing cycles, renewals, cancellations, and refunds are governed by the applicable App Store's terms and policies.
Auto-renewal. Subscriptions bill in advance and automatically renew at the then-current rate until you cancel through the applicable App Store. By subscribing, you authorize the App Store to charge your payment method on a recurring basis until you cancel.
Cancellation. To cancel, use your Apple ID or Google Play account settings. Cancellation takes effect at the end of the current billing period; access continues until then.
Free trials. If a free trial is offered, the trial length will be stated at sign-up. The App Store will charge at the end of the trial unless you cancel before it ends.
Pricing changes & taxes. Any price changes, taxes, and applicable notices are handled pursuant to the App Store's policies. Where allowed, your continued subscription after a change takes effect constitutes acceptance.
Refunds. Except where required by law or provided by the App Store's policies, fees are non-refundable. Any refunds (if available) are processed by the App Store.
Subject to these Terms, we grant you a limited, personal, non-exclusive, non-transferable, non-sublicensable, revocable license to install and use our app(s) on devices you own or control, for your personal, non-commercial use, as permitted by the applicable App Store rules.
You may not: (i) copy, modify, distribute, sell, lease, or sublicense any part of the Services or included software; (ii) reverse engineer, decompile, or attempt to extract source code except where permitted by law; (iii) interfere with or disrupt the operation or security of the Services; or (iv) use the Services to violate laws, infringe rights, or engage in unlawful activity. We reserve all rights not expressly granted.
You are solely responsible for content you submit or transmit through the Services ("User Content"). You represent you have all necessary rights to your User Content and that your content and conduct are lawful.
By submitting User Content, you grant An App A Day a worldwide, non-exclusive, royalty-free, transferable, sublicensable license to use, host, reproduce, modify, adapt, publish, translate, distribute, display, and create derivative works from your User Content to operate, promote, and improve the Services. This license ends when you delete the content or your account (subject to routine backups, legal holds, and where others have already received or shared your content).
You must not upload content that is illegal, infringing, defamatory, harassing, hateful, pornographic, or otherwise objectionable; you must not spam, phish, impersonate others, or attempt to probe, scan, or test system vulnerabilities or disrupt the Services. We may remove content or suspend/terminate accounts at any time if we believe you violated these Terms or the law.
If you send feedback, ideas, or suggestions, you grant us a perpetual, irrevocable, worldwide, royalty-free license to use them without obligation to you.
The Services may link to or integrate with third-party websites, apps, SDKs, or tools ("Third-Party Services"). We do not control, endorse, or assume responsibility for Third-Party Services, and their terms and privacy policies apply. Your use of Third-Party Services is at your own risk.
The Services (including software, features, designs, and content excluding User Content) are owned by An App A Day or its licensors and are protected by intellectual property laws. These Terms do not grant you any ownership rights. You may not use our trademarks or branding without our prior written permission.
Habit-tracking features and any tips or educational content are for informational purposes only and are not medical, legal, or professional advice. Consult a qualified professional for advice specific to you.
These Terms are between you and An App A Day, not Apple or Google. Your license is limited to devices you own/control, as allowed by the applicable App Store rules. Apple/Google have no obligation to provide maintenance or support. In case of any app warranty claim via Apple, your remedy may be a refund of the purchase price (if any). Apple/Google and their subsidiaries are third-party beneficiaries of applicable provisions of these Terms.
You may stop using the Services and/or delete your account at any time. We may suspend or terminate access at any time (with or without notice) for any reason, including violations or risk to the Services. Upon termination, your license ends and we may delete your content subject to legal holds and backups.
THE SERVICES ARE PROVIDED "AS IS" AND "AS AVAILABLE." TO THE FULLEST EXTENT PERMITTED BY LAW, WE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE, NON-INFRINGEMENT, AND ANY WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE. WE DO NOT GUARANTEE THE SERVICES WILL BE UNINTERRUPTED, SECURE, OR ERROR-FREE.
TO THE FULLEST EXTENT PERMITTED BY LAW, AN APP A DAY AND ITS AFFILIATES, OFFICERS, DIRECTORS, EMPLOYEES, LICENSORS, AND PARTNERS WILL NOT BE LIABLE FOR INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, EXEMPLARY, OR PUNITIVE DAMAGES (INCLUDING LOST PROFITS, LOST DATA, OR BUSINESS INTERRUPTION), EVEN IF ADVISED OF THE POSSIBILITY. OUR TOTAL AGGREGATE LIABILITY FOR CLAIMS RELATING TO THE SERVICES OR THESE TERMS IS THE GREATER OF (A) US $100 OR (B) THE AMOUNTS YOU PAID (IF ANY) VIA THE APPLICABLE APP STORE FOR THE SERVICES IN THE 12 MONTHS BEFORE THE CLAIM AROSE. SOME JURISDICTIONS DO NOT ALLOW CERTAIN EXCLUSIONS/LIMITS; WHERE REQUIRED BY LAW, THESE LIMITS APPLY ONLY TO THE MAXIMUM EXTENT PERMITTED.
You agree to indemnify and hold harmless An App A Day and its affiliates, officers, directors, employees, and agents from and against claims, losses, liabilities, damages, costs, and expenses (including reasonable attorneys' fees) arising out of: (a) your breach of these Terms or applicable law; (b) your User Content; or (c) your misuse of the Services.
Agreement to Arbitrate. Any claim or controversy arising out of or relating to these Terms or the Services (collectively, "Disputes") will be resolved by binding arbitration administered by the American Arbitration Association (AAA) under its Consumer Arbitration Rules, except as modified here. The arbitrator has exclusive authority to resolve all Disputes, including interpretation, enforceability, or formation of this arbitration agreement (including arbitrability), except as stated in Public-Injunctive Relief below.
Venue; Conduct of Arbitration. Unless prohibited by law, arbitration will take place in the county (or parish) where our principal place of business is located at the time arbitration is initiated, or another location the parties agree to. The arbitration may be conducted in person, by video, or by phone at the arbitrator's discretion consistent with AAA rules.
Governing Law. This arbitration agreement is made pursuant to the Federal Arbitration Act (FAA). To the extent state law applies, Delaware law (without regard to conflict-of-laws principles) applies.
Class Action & Jury Trial Waiver. YOU AND WE AGREE TO BRING CLAIMS ONLY ON AN INDIVIDUAL BASIS. NO CLASS, COLLECTIVE, CONSOLIDATED, OR REPRESENTATIVE PROCEEDINGS. YOU AND WE WAIVE ANY RIGHT TO A JURY TRIAL.
Public-Injunctive Relief (California). Claims for public injunctive relief under California law (if any) may be brought in a court of competent jurisdiction; any such claim is stayed pending arbitration of arbitrable claims.
Costs & Fees. AAA filing, administration, and arbitrator fees are governed by AAA rules. We will reimburse those fees for claims under US $10,000 unless the arbitrator finds the claims frivolous or brought for an improper purpose. Each party bears its own attorneys' fees unless a statute provides otherwise.
Batch/Mass Arbitration Management. If 25 or more similar claims are filed against us by the same or coordinated counsel, the parties will confer in good faith on reasonable procedures (e.g., bellwether arbitrations, staying related filings).
30-Day Right to Opt Out. You may opt out of this arbitration agreement by emailing legal@appday.io within 30 days of your first acceptance of these Terms. Include your name, account email, residence address, and a clear statement that you wish to opt out. Opting out does not affect other Terms or your use of the Services.
Severability; Survival. If any part of this section is found unenforceable, that part will be severed and the remainder enforced to the fullest extent permitted by law (the class-action waiver may not be severed as to a class claim). This arbitration agreement survives termination.
These Terms and any non-arbitrable disputes are governed by the laws of the State of Delaware (excluding conflicts rules). For any court proceeding permitted under these Terms, the parties consent to the exclusive jurisdiction and venue of state and federal courts located in Delaware, subject to the public-injunctive carve-out above.
If you access the Services from outside the United States, you do so at your own initiative and are responsible for compliance with local laws. You agree to comply with applicable export control and sanctions laws and represent that you are not located in an embargoed country or on any prohibited list.
We may update these Terms. If we make material changes, we will provide prominent notice (e.g., in-app or email). Your continued use after the effective date means you accept the updated Terms.
Entire Agreement. These Terms plus any referenced policies are the entire agreement between you and us.
Severability. If any provision is invalid, the rest remains in effect.
No Waiver. A failure to enforce a provision is not a waiver.
Assignment. You may not assign these Terms without our consent; we may assign them.
No Third-Party Beneficiaries. Except as stated for app-store providers, no third-party rights are created.
An App A Day, LLC
24355 Creekside Rd #801962
Santa Clarita, CA 91380
privacy@appday.io
Arbitration Opt-Out: legal@appday.io
Effective Date: September 1, 2025
Last Updated: September 1, 2025
Your privacy is important to An App A Day, LLC ("us," "we," or "our"). This Privacy Policy ("Policy") explains the personal data we collect, how we use it, how we share it, and the choices and rights you have.
PLEASE READ THIS POLICY CAREFULLY AS IT CONTAINS LIMITATIONS REGARDING HOW YOU MAY RESOLVE DISPUTES REGARDING THIS POLICY.
We believe in fundamental privacy rights for all users and apply core rights regardless of where you live. We treat any data that relates to an identified or identifiable individual—or that is linked or linkable to them—as "personal data." Data that directly identifies you (e.g., your name) and data that can reasonably be used to identify you (e.g., a device identifier) are "personal data." Aggregated or anonymized data that cannot reasonably be used to identify you is considered non-personal for the purposes of this Policy.
This Policy applies to our mobile application and related services, websites, customer support interactions, marketing or promotional communications, and any other online or offline services that link to this Policy (collectively, the "Services").
This Policy does not apply to third-party services we do not own or control. Our Services may include links, SDKs, or plugins from third parties; their privacy practices are governed by their own policies.
Geographies & laws covered. We provide information for users in the United States (including California), the European Union (GDPR), the United Kingdom (UK GDPR), and other international jurisdictions.
We strive to collect only the data needed for the purposes described below. What we collect depends on how you use the Services.
We use personal data to:
Legal bases (GDPR / UK GDPR): performance of a contract, consent (where applicable), legal obligation, legitimate interests, and protection of vital interests.
Automated decisions: We do not use algorithms or profiling to make decisions that significantly affect you without human review.
We do not sell personal data and we do not share it for cross-context behavioral advertising.
We may share personal data with:
We are based in the United States, and your data may be processed in countries with laws different from your own. Regardless of location, we protect your data as described here and in accordance with applicable law.
When transferring personal data internationally, we implement appropriate safeguards such as:
We retain personal data only as long as necessary for the purposes described in this Policy, for service-specific needs, or as required by law (e.g., tax/accounting). When data is no longer needed, we delete or anonymize it using secure methods and follow internal retention policies.
We use commercially reasonable administrative, technical, and physical safeguards, including:
No system is 100% secure. Use the Services with appropriate care when sharing information.
We use SDKs, and similar technologies for sign-in, preferences, and security. Our Services do not use cookies.
We extend core privacy rights to all users, subject to legal limits. You may have the right to:
We may need to verify your identity before responding. If we cannot comply (e.g., we must retain data by law or fulfilling the request affects others' rights), we will explain why. You may also lodge a complaint with your local data-protection authority.
How to exercise: Email privacy@appday.io.
California residents may:
We will not discriminate against you for exercising these rights and will respond within required timelines.
You have the rights listed above.
If we send marketing emails, you can opt out at any time via the unsubscribe link or by contacting us. We comply with CAN-SPAM and similar laws globally. Service or administrative messages about your account or transactions are not optional.
The Services may link to third-party sites or include third-party SDKs/plugins. Those are governed by their own privacy policies. We are not responsible for their privacy practices.
We may update this Policy from time to time. When we do, we will update the "Last Updated" date and, for material changes, provide prominent notice (e.g., in-app or by email). Your continued use of the Services after an update constitutes acceptance to the extent permitted by law.
An App A Day, LLC
Mailing Address: 24355 Creekside Rd #801962, Santa Clarita, CA 91380
Email: privacy@appday.io
PLEASE READ THIS SECTION CAREFULLY. IT REQUIRES INDIVIDUAL ARBITRATION AND LIMITS HOW YOU CAN SEEK RELIEF FROM US.
Any claim or controversy arising out of or relating to this Policy, the Services, or our data practices ("Disputes") will be resolved by binding arbitration administered by the AAA under its Consumer Arbitration Rules then in effect, except as modified here. The arbitrator has exclusive authority to resolve all Disputes, including interpretation, enforceability, or formation of this arbitration agreement (including arbitrability), except as stated in Section 5 (Public-Injunctive Relief).
Unless prohibited by applicable law, arbitration will take place in the county (or parish) where our principal place of business is located at the time arbitration is initiated, or another location the parties agree to. The arbitration may be conducted in person, by video conference, or by telephone at the arbitrator's discretion consistent with AAA rules.
This arbitration agreement is made pursuant to the Federal Arbitration Act (FAA). To the extent state law applies, the laws of the State of Delaware (without regard to conflict of laws) apply.
YOU AND WE AGREE THAT CLAIMS MAY BE BROUGHT ONLY ON AN INDIVIDUAL BASIS AND NOT AS A PLAINTIFF OR CLASS MEMBER IN ANY CLASS OR REPRESENTATIVE PROCEEDING. UNLESS WE AGREE OTHERWISE, THE ARBITRATOR MAY NOT CONSOLIDATE CLAIMS OR PRESIDE OVER A CLASS OR REPRESENTATIVE PROCEEDING. YOU AND WE WAIVE ANY RIGHT TO A JURY TRIAL.
Claims for public injunctive relief under California law (if any) may be brought in a court of competent jurisdiction, and any such claim shall be stayed pending arbitration of all arbitrable claims.
AAA filing, administration, and arbitrator fees are governed by the AAA Consumer Arbitration Rules. We will reimburse those fees for claims totaling less than US$10,000 unless the arbitrator determines the claims are frivolous or brought for an improper purpose. Each party bears its own attorneys' fees and costs unless a statute provides otherwise.
If 25 or more similar claims are filed against us by the same or coordinated counsel, the parties will confer in good faith to adopt reasonable procedures to efficiently manage those claims, which may include bellwether arbitrations and a stay of related filings pending the bellwethers.
You may opt out of this arbitration agreement by sending written notice to legal@appday.io within 30 days of your first acceptance of this Policy. Include your name, account email, residence address, and a clear statement that you wish to opt out of arbitration. Opting out does not affect other terms of this Policy or your use of the Services.
If any part of this Section is found unenforceable, that part will be severed and the remainder enforced to the fullest extent permitted by law (except the class-action waiver may not be severed as to a claim brought on a class basis). This arbitration agreement survives termination of your account or the Services.