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Privacy Policy

Effective Date: November 17, 2025MonsterPin respects your privacy.
This Policy explains what information we collect and how we use it.1. Information We Collect1.1 Account Information (Firebase Authentication)
You may choose to create an account using your email address.
Creating an account is optional, and core features of the App can be used without signing in.
If you choose to sign in, we collect:* your email address
* Unique user ID (UID)
We do not use this information for tracking or advertising.1.2 User-Generated Content (UGC)
When you upload restaurant information or images, they are stored temporarily on our server for processing and automatically deleted within 7 days.
We do not retain backups or extract metadata from your images.1.3 Analytics Data (Google Analytics + Firebase Analytics)
We collect anonymized and aggregated analytics data, such as:* Coarse location (country/region)
* Device type and operating system
* Session length and app interactions
* Screen views and navigation patterns
* Feature usage events (e.g., adding restaurants, creating folders, sharing links)
* App performance and error reports2. How We Use Data
We only collect information that is necessary to operate the core features of MonsterPin.We use the information we collect to:* Operate your account and sync your saved stores
* Process uploads temporarily to deliver requested features
* Improve the app through anonymous analytics insights
* Monitor app stability and diagnose issues
We do not sell your data, and we do not use it for targeted advertising.3. Data Sharing* Firebase Authentication
* Firebase Firestore / Storage
* Google Analytics
We do not share your personal data with any third party for marketing.4. Security
We use standard security practices to protect your data during transmission and storage.We also use industry-standard security measures provided by Firebase and Google Cloud, including encrypted data transmission (HTTPS/SSL) and controlled access rules. While we take reasonable steps to protect your information, no method of electronic transmission or storage is completely secure, and we cannot guarantee absolute protection.5. Changes
We may update this Privacy Policy from time to time, and we will post the amended policy on this page. We encourage you to review this Privacy Policy regularly, so you understand how we protect your information.If you have any questions about this Privacy Policy, please contact us through the following means:
[[email protected]]6. Your Rights
If you want to contact us or report any issue, please email [email protected] or use the in-app feedback form.

Terms of Service

Effective Date: November 17, 2025

Welcome to MonsterPin (the “App”, “Service”, or “Platform”).
The App is operated by Chiyu Tsai (“we”, “us”, or “our”).
These Terms of Service (“Terms”) constitute a legally binding agreement between you and us.
By accessing or using MonsterPin, you acknowledge that you have read, understood, and agreed to be bound by these Terms. If you do not agree, you must discontinue use immediately.1. Definitions“User Content” means any photos, notes, text, and other materials you upload, submit, or create within the App.“Account Information” means the minimum data required to authenticate your login, such as your email address (if provided), Google/Apple identifier, and Firebase-generated UID.2. Acceptance of TermsBy downloading, accessing, or using MonsterPin, you agree to comply with these Terms.
If you do not accept these Terms, you must stop using the App.3. EligibilityThe App is intended for individuals aged 16 or older.
MonsterPin is not intended for children under the age of 13, and we do not knowingly collect personal data from children under 13.We do not independently verify user age.4. User Accounts4.1 Account Creation
If you create an account, you agree to provide accurate information and to maintain the confidentiality of your login credentials. You are responsible for all activities performed under your account.4.2 Authentication Providers
You may sign in using Email & Password, Google Sign-In, or Sign in with Apple.
Depending on the method, we may receive your email address and a provider-specific identifier.
We do not receive your password.4.3 Account Deletion (Apple Required)
Users may request account deletion at any time by emailing:
[email protected]Upon receiving a deletion request:Authentication data will be removed;Temporary image data will be deleted within up to 7 days;Certain information may be retained only where required by law (e.g., fraud prevention, legal obligations).5. User Content5.1 Ownership
You retain all ownership rights in your User Content.
We do not claim ownership over the photos or materials you upload.5.2 License to Operate the Service (Standard UGC License)
By uploading User Content, you grant us a non-exclusive, worldwide, royalty-free, sublicensable (only to service providers), and fully revocable license to:store, host, process, reproduce, and display your content;transcode, resize, compress, and technically modify content for compatibility;provide, operate, maintain, and improve the App’s features;enable sharing, viewing, and functionality within the App.This license exists solely for the operation of MonsterPin.
We do not sell User Content.
We do not use User Content for advertising, targeted marketing, or commercial partnerships.5.3 Prohibited Content
Users may not upload:hate speech, threats, or harassment;nudity or sexually explicit content;others’ personal data without their consent;illegal, harmful, infringing, or misleading material.5.4 Content Moderation
We may remove or restrict access to User Content that violates these Terms.
We do not guarantee the timing, scope, or effectiveness of any content moderation.
We may suspend or terminate accounts in cases of severe or repeated violations.5.5 User Responsibility
You are solely responsible for the User Content you submit and for your use of the App.
We are not responsible for the conduct of any user.6. Copyright Infringement / DMCA-Style Notice ProcedureWe respect intellectual property rights and respond to properly submitted copyright notices.If you believe your copyrighted work has been used in a way that constitutes infringement, please send a notice containing:Identification of the copyrighted work;Identification of the material claimed to be infringing;Your contact information;A statement of good-faith belief;A statement that the information is accurate;Your physical or electronic signature.Send notices to: [email protected]We may remove or disable access to the material and may notify the uploader.
We may also process counter-notifications where legally applicable.7. Data Usage & Retention7.1 Data We Collect
We collect only what is necessary to operate the core features of the App:Account email & UIDUploaded photos and minimal metadataBasic analytics (region, device type, feature usage)7.2 Temporary Retention (Up to 7 Days)
To operate the App, certain data is stored temporarily:Original uploaded images: up to 7 daysProcessed images: up to 7 daysUpload metadata: up to 7 daysTemporary data may be deleted at any time within this window.7.3 Legal Exceptions
We may retain certain information longer only when required to:comply with legal, regulatory, or governmental requests;investigate violations of these Terms;establish, exercise, or defend legal claims.7.4 No Sensitive Data Collection
We do not collect sensitive personal data or advertising identifiers.
We do not engage in behavioral tracking.8. License to Use the AppWe grant you a limited, revocable, non-exclusive, non-transferable license to use MonsterPin for personal, non-commercial purposes.
You may not:copy, modify, reverse-engineer, or create derivative works;sell, distribute, or lease any part of the App.9. Acceptable UseYou agree not to:use the App for illegal or harmful purposes;interfere with or disrupt our systems;attempt to bypass security protections;scrape, crawl, or automate access without permission;violate privacy or intellectual property rights.We may investigate and take action, including suspension or termination.10. Third-Party ServicesMonsterPin relies on third-party providers (including Firebase).
We do not control and are not responsible for:availability, outages, or downtime;data loss, corruption, or security incidents attributable to those providers;changes to third-party features or integrations.Your use of third-party services is subject to their terms and policies.11. Modifications to the ServiceWe may modify, update, or discontinue the App or any feature at any time.
We are not liable for any impact caused by such changes.12. Service AvailabilityWe do not guarantee uninterrupted or error-free operation.
Outages may occur due to maintenance, third-party failures, or circumstances beyond our control.13. Disclaimer of WarrantiesThe App is provided “as is” and “as available”, without warranties of any kind.
Your use of the App is at your own risk.14. Limitation of LiabilityTo the fullest extent permitted by applicable law:We are not liable for indirect, incidental, special, or consequential damages;We are not liable for unauthorized access to your account or User Content;We are not liable for failures of third-party services;Your sole remedy for dissatisfaction with the App is to stop using it.Our total liability will not exceed the greater of:
(a) the amount you paid (if any) in the 12 months preceding the event, or
(b) US$100.Consumer Rights Preservation:
Nothing in these Terms limits any rights that cannot be excluded under mandatory consumer protection laws.15. TerminationWe may suspend or terminate your access to the App at any time, with or without notice, including for:violations of these Terms;fraud, abuse, or security concerns;legal or regulatory requirements.Upon termination:your license to use the App ends immediately;we may delete or disable access to User Content;certain information may be retained as required by law.16. Governing Law & JurisdictionThese Terms are governed by the laws of Taiwan (Republic of China).
Any dispute arising out of or relating to these Terms shall be submitted to the exclusive jurisdiction of the courts of Taiwan.17. SurvivalSections relating to User Content, Data Retention, Warranties, Liability, Governing Law, and Termination shall survive termination.18. ContactIf you have questions about these Terms, please contact:📧 [email protected]