Last updated: February 13, 2026
Welcome to Flex ("we," "our," or "us"). We are committed to protecting your privacy and ensuring transparency about how we handle your personal information. This Privacy Policy explains what data we collect, how we use it, and your rights regarding your information when you use our iOS app ("the App").
By using Flex, you agree to the collection and use of information in accordance with this policy.
When you use the App, we may collect the following types of information that you directly provide:
We may automatically collect certain information when you use the App:
We do not collect:
We use the collected information for the following purposes:
We do not use your data for advertising purposes, and we do not sell your personal information to third parties.
Most of your data is stored locally on your device. This includes:
If you enable iCloud sync, your study data is securely synced across your Apple devices using Apple's iCloud infrastructure. We do not have access to data stored in your personal iCloud account. iCloud data is encrypted in transit and at rest and is subject to Apple's privacy policies.
We implement industry-standard security measures to protect your information from unauthorized access, alteration, or destruction. However, no method of electronic storage is 100% secure, and we cannot guarantee absolute security.
When you download or purchase the App through the Apple App Store, Apple collects certain information as described in Apple's Privacy Policy. We do not have access to your App Store purchase information beyond basic analytics provided by Apple.
The speech recognition feature uses Apple's on-device speech recognition APIs. Your voice input is processed locally on your device and is not transmitted to external servers.
We may use privacy-focused analytics tools to understand app usage and performance. Any analytics data is anonymized and aggregated, ensuring individual users cannot be identified.
Flex is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us at support@flexlanguage.app, and we will delete such information.
You have the right to:
We retain your data only as long as necessary to provide the App's functionality. If you delete the App, all locally stored data is removed from your device. iCloud-synced data remains in your iCloud account until you delete it.
Flex is available worldwide. If you access the App from outside the United States, please be aware that your information may be transferred to, stored, and processed in the United States or other countries where our service providers operate. By using the App, you consent to this transfer.
We may update this Privacy Policy from time to time to reflect changes in our practices or for legal or regulatory reasons. We will notify you of any material changes by posting the updated policy within the App or through other communication channels. The "Last Updated" date at the top of this policy indicates when it was last revised.
Your continued use of the App after changes are posted constitutes your acceptance of the updated Privacy Policy.
If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us at:
Email: support@flexlanguage.app
We will respond to your inquiry within a reasonable timeframe.
To summarize our commitment to your privacy: