This Privacy Policy describes how IDC Spring Calculator ("we," "us," or "our") collects, uses, and discloses information when you use the IDC Spring Calculator mobile application (the "App"). We are committed to protecting your privacy and ensuring transparency about our data practices.
1. Data We Collect
Minimal Data Collection
Privacy-First Design: The IDC Spring Calculator is designed with privacy in mind. We collect minimal data necessary for the App to function.
The App performs all spring calculations locally on your device. We do not require:
- Account registration or login
- Email address collection
- Personal identification information
Data We Do NOT Collect
We do not collect the following types of data:
- Name, Email, Phone Number, Physical Address
- Health & Fitness Data
- Financial Information
- Precise Location Data
- Contacts
- Browsing History or Search History
- Advertising Identifiers or Device IDs
- Purchase History
- Spring calculation history or saved projects
Optional Analytics
We may collect anonymized, aggregate usage statistics to help improve the App, such as:
- Which features are most commonly used
- App crash reports (without personal identifiers)
- General device type information for compatibility purposes
This data cannot be used to identify individual users.
2. Data Collection Summary
| Data Type |
Collected? |
Linked to User? |
Used for Tracking? |
Purpose |
| Personal Information |
NO |
N/A |
NO |
Not Required |
| Spring Calculations |
NO |
N/A |
NO |
Processed locally on device |
| Usage Analytics |
Optional |
No |
NO |
App improvement (anonymized) |
| Crash Reports |
Optional |
No |
NO |
Bug fixes and stability |
3. How We Use Information
Any information we collect is used solely for:
- App Functionality: All spring calculations are performed locally on your device
- App Improvement: Anonymized analytics help us understand how to make the App better
- Bug Fixes: Crash reports help us identify and fix technical issues
We do not sell, rent, or share your information with third parties for marketing purposes.
4. Third-Party Services
The App may use the following third-party services:
Apple App Store
- Purpose: App distribution and updates
- Data Shared: Standard App Store analytics if enabled on your device
- Privacy Policy: Apple Privacy Policy
5. Data Storage and Security
We implement appropriate security measures:
- Local Processing: All spring calculations are performed on your device
- No Server Storage: Your calculation data is not transmitted to or stored on our servers
- No Account Required: No personal data is stored because no account is required
6. Data Retention
- Calculation Data: Not retained - processed locally and not stored
- Analytics Data: Anonymized data may be retained for up to 24 months for trend analysis
7. Your Rights
Because we collect minimal data, your rights are straightforward:
- Deletion: Uninstalling the App removes all local data
- Opt-Out: You can disable analytics sharing in your device settings
- Access: Contact us if you have questions about any data we may have
8. Children's Privacy
The IDC Spring Calculator is intended for professional use by garage door technicians and related professionals. It is not intended for use by children under the age of 13. We do not knowingly collect personal information from children under 13.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. When we make changes, we will:
- Update the "Last Updated" date at the top of this policy
- Post the updated policy in the App
Your continued use of the App after any changes constitutes acceptance of the updated Privacy Policy.
10. Contact Us
If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us: