Synapse: Dual N-Back

Train focus and working memory

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Build a consistent dual n-back routine with structured sessions, adaptive difficulty and private, on-device progress tracking. Synapse is a focused dual n-back training app built for short, structured sessions. Start with an introductory baseline, learn the visual and audio matching task, then build a routine at a level that adapts to your performance. FEATURES • Visual and audio dual n-back training • Quick, Deep and Marathon session options • Adaptive difficulty • Personal progress and session history • Streak tracking and achievements • Optional reminders • Local-first design: your training history stays on your iPhone • No account required Synapse provides estimated cognitive scores for motivation and progress tracking. These scores are not medical assessments or clinical measurements. Synapse does not diagnose, treat, cure or prevent any condition. Subscriptions unlock ongoing training. Payment is charged to your Apple ID. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings. Privacy Policy: https://trysynapseapp.vercel.app/privacy.html Terms of Service: https://trysynapseapp.vercel.app/terms.html

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The developer, DAVID KARMJIT GREWAL-SINGH, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Purchases
    • Location
    • Identifiers
    • Usage Data

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Health & Fitness
    • Purchases
    • Location
    • Identifiers
    • Usage Data
    • Diagnostics
    • Other Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
DAVID KARMJIT GREWAL-SINGH
Size
45.8 MB
Category
Education
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
18+
In-App Purchases
Yes
  • Synapse Annual $49.99
  • Synapse Weekly Offer $6.99
  • Synapse Weekly $6.99
  • Learn More
Copyright
© 2026 Arrakis Studios
  • Developer Website
  • Privacy Policy

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