Effective date: May 26, 2026 · Last updated: May 26, 2026
Invoice Master ("we", "our", or "the app") is a mobile invoicing application developed by Blue Beam Services. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data.
By using Invoice Master, you agree to the practices described in this policy.
| Purpose | Data used |
|---|---|
| Account authentication and security | Email address, Firebase UID |
| Storing and syncing your business data | All business data (local + cloud) |
| Displaying advertisements (free tier only) | Device identifiers via AdMob |
| Managing subscriptions and purchases | Firebase UID, purchase history via RevenueCat |
| Generating PDF invoices and documents | Your business data and client data |
| App stability and crash reporting | Anonymized device/app data |
We do not sell your personal data to third parties.
All your business data (clients, invoices, products, payments) is stored locally on your device using a SQLite database. This data remains on your device even without an internet connection.
When you are signed in, your data may be synchronized with our cloud servers to allow access across devices and to prevent data loss. Data in transit is encrypted using HTTPS/TLS.
| Service | Purpose | Provider |
|---|---|---|
| Firebase Authentication | Account sign-in | Google LLC |
| Google AdMob | Advertisements (free tier) | Google LLC |
| RevenueCat | Subscription management | RevenueCat Inc. |
Each of these services has its own privacy policy and data practices. We encourage you to review them.
Free-tier users may see interstitial and rewarded advertisements served by Google AdMob. These ads may use your device's advertising identifier to display relevant content. You can opt out of personalized advertising at any time through your device settings:
Premium subscribers do not see any advertisements.
Invoice Master is a business productivity application intended for users aged 16 and older. We do not knowingly collect personal information from children under 16. If you believe a child has provided us with personal data, please contact us and we will delete it promptly.
Depending on your location, you may have the following rights:
Users in the European Union (GDPR) and California (CCPA) have additional rights. To exercise any of these rights, contact us at the address below.
We implement industry-standard security measures including:
No method of electronic storage or transmission is 100% secure. We cannot guarantee absolute security but commit to notifying affected users in the event of a data breach.
We may update this Privacy Policy from time to time. We will notify you of material changes by updating the "Last updated" date at the top of this document. Continued use of the app after changes constitutes acceptance of the updated policy.
If you have questions, concerns, or data requests, please contact us: