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If you need assistance or have questions about our service, please contact us below.

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Frequently Asked Questions

What kind of learning app is BrainCheck?

BrainCheck is an AI-powered flashcard language learning app. Machine learning analyzes learner forgetting patterns to suggest reviews at optimal timing, with speech recognition (STT) and high-quality TTS for listening and speaking practice.

Is BrainCheck free?

Yes, basic features are available for free. Some premium features are available through subscription.

Is it available on both iOS and Android?

Yes, it is. You can use it on iOS, Android, macOS, and Windows, with the same learning experience across all platforms.

Is my learning data synced across devices?

Yes, it is. When you log in to your account, your learning progress and records are automatically synced across all devices.

Can I study offline?

Yes, you can. If you download learning content in advance, you can study without an internet connection.

How is my personal information handled?

BrainCheck complies with the Personal Information Protection Act. Learning data is encrypted and securely stored. For details, please refer to our Privacy Policy.

How do I cancel my subscription or get a refund?

Subscription cancellation and refunds are processed according to each app store's (App Store, Google Play) policies. You can manage your subscription in your app store settings or contact our support center.