Privacy Policy — QuietDigits

Effective date: 24 October 2026

App: QuietDigits (package com.quietdigits.app) — billing, stock, van sales, recovery and accounts

Developer: Quietline Studio · https://quietlinestudio.app · quietlinestudio.app@gmail.com

1. Summary

2. Data on your device

Everything you enter (company, customers, suppliers, items, rates, sales, purchases, returns, payments, expenses, stock, van records, signatures) is stored in the app's private storage on your phone.

3. Sign-in and account

Sign-in is optional and uses a one-time code sent to your email (no SMS, no password). We store your email, name, optional phone number and the list of devices you are signed in on. Codes are sent by our email providers (Brevo; Amazon SES as backup), who receive only your email address and the code message.

4. Sync and our servers

When signed in, your business records (including the items listed in section 2 and bill signatures) are sent over HTTPS to QuietDigits servers hosted by Vultr in Singapore. Staff only receive the records their role allows. The web/desktop version uses the same account and server.

5. Signatures

You can draw a signature on screen or pick a photo of a signature from your phone. The picture is shrunk to fit the bill and saved as a small image in the app (and synced if you sign in). We do not access your other photos.

6. Camera and Bluetooth

The camera is used for barcode scanning only (Google ML Kit, processed on the device; ML Kit may send anonymous diagnostics to Google). Bluetooth / Nearby devices is used only to connect thermal printers, not for location. The app does not request location.

7. Notifications

If you allow notifications, Firebase Cloud Messaging (Google) stores a device token to send account, sync and connection alerts. Firebase is not used for sign-in, analytics or storing business data.

8. Ads (free plan)

The free plan may show banner and other ads from Google AdMob. AdMob may collect device identifiers (including the Android Advertising ID), IP address, approximate location derived from IP, and ad interaction data, to show and measure ads and prevent fraud. Where required, we ask for consent first. You can reset or delete your Advertising ID in Android settings. Bills and receipts you share never carry ads. See https://policies.google.com/technologies/ads.

9. Payments

Subscriptions bought in Google Play are handled by Google; we get the subscription status and purchase token only. Where offered outside Play, manual JazzCash/Easypaisa payments are confirmed by us against your account email; we store the email, plan and days.

10. Integrations (optional)

If the business owner connects an automation service (for example IK Dream Automation), that service can read and create the business records the owner allows. The owner can disconnect at any time.

11. Sharing from the app

Bills, PDFs and backups you share (WhatsApp, email, files) go only where you send them. Those apps have their own policies.

12. Backups

Server data is backed up daily in encrypted form and kept for 14 days. Backups you make in the app are saved where you choose.

13. Deleting data and your account

14. Security

HTTPS in transit, hashed short-lived codes, encrypted backups. No system is perfectly secure.

15. Children

QuietDigits is business software, not for children under 13.

16. Changes and contact

Changes will be posted at this address with a new date. Contact: quietlinestudio.app@gmail.com