Privacy Policy

1. Introduction

SDTConcept ("we", "us" or "our") operates the SoapCalculator and SAFCalculator mobile applications (hereinafter the "Applications").

This page explains our policies regarding the collection, use and disclosure of personal data when you use our Applications, and the choices you have associated with that data.

By using our Applications, you agree to the collection and use of information in accordance with this policy.

2. Data collection and use

2.1 Data collected

Our Applications may collect the following types of data:

Usage data:

• Type of mobile device
• Android operating system version
• Application settings
• Usage and performance data
• Error and crash statistics

Data stored locally:

• Saved soap recipes (SoapCalculator)
• Saved calculations and formulas (SAFCalculator)
• User preferences and application settings
• Calculation history

2.2 Use of data

The data collected is used to:

• Provide and maintain our Applications
• Improve the user experience
• Detect and fix technical issues
• Analyse how features are used
• Develop new features
• Ensure security and prevent fraud

3. Data storage

Data is kept:

• On your device until the Application is uninstalled
• In your device backups (depending on your Google settings)
• No cloud synchronisation takes place without your explicit consent

To delete your data:

• Uninstall the Application from your device
• Or use the "Clear data" option in the Android settings

4. Data sharing

We do not sell, trade or transfer your personal data to third parties, except in the following cases:

• Legal obligation: when required by law
• Protection of our rights: to protect our rights, property or safety
• Fraud prevention: to prevent or investigate fraud or security issues
• With your consent: in any other case, only with your explicit permission

5. Data security

The security of your data is important to us. We implement appropriate technical and organisational measures to protect your data against unauthorised access, alteration, disclosure or destruction.

These measures include:

• Encryption of sensitive data
• Secure local storage on your device
• Security protocols in line with Android standards
• Regular security updates

However, no method of transmission over the Internet or of electronic storage is completely secure. While we strive to use commercially acceptable means to protect your personal data, we cannot guarantee its absolute security.

6. Third-party services

Our Applications may use third-party services that may collect information used to identify you:

• Google Play Services: for distribution and updates
• Analytics services: to understand how the application is used (anonymously)

We encourage you to review the privacy policies of these third-party services:

• Google Privacy Policy

These third-party services may access your information only to perform tasks on our behalf and are obliged not to disclose or use it for any other purpose.

7. Children's privacy

Our Applications are not intended for anyone under the age of 13. We do not knowingly collect personally identifiable information from children under 13.

If you are a parent or guardian and you are aware that your child has provided us with personal data, please contact us. If we become aware that we have collected personal data from children without verification of parental consent, we take steps to remove that information from our servers.

8. Changes to this policy

We may update our privacy policy from time to time. We will notify you of any changes by:

• Posting the new policy on this page
• Updating the "last updated" date at the top of this page
• Sending a notification in the Application (for significant changes)

You are advised to review this page periodically for any changes. Changes to this privacy policy are effective when they are posted on this page.

9. Your rights (GDPR)

If you are a resident of the European Economic Area (EEA), you have certain data protection rights under the General Data Protection Regulation (GDPR):

• Right of access: you can request copies of your personal data
• Right to rectification: you can request the correction of any inaccurate information
• Right to erasure: you can request the erasure of your personal data
• Right to restriction of processing: you can request that the processing of your data be restricted
• Right to data portability: you can request the transfer of your data
• Right to object: you can object to the processing of your data

To exercise these rights, please contact us using the details provided below. We will respond to your request within the legal time limits (usually within 30 days).