Backtrack Stack

Games

$49.99 · Designed for iPad. Not verified for macOS.

Backtrack Stack is a configurable N‑Back training app designed to help you practice working memory with multiple cue types. Cues (can be configured): - Position (3×3 grid) - Audio letters (spoken) - Color cue - Haptics on supported devices Training modes: - Adaptive difficulty (d′/accuracy-based) - Fixed N sessions - Preset runs (one-tap fixed sessions) - Optional per‑cue N (advanced) Stats: - Track hits, misses, false alarms, correct rejections, and d′ (d-prime) per cue and overall. Backtrack Stack works great on iPad and iPhone, is highly configurable, and keeps controls simple so you can focus on the task.

Ratings & Reviews

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Added exact recall option which tracks correct, wrong, or skipped.

Version 1.7

The developer, The Frum Shopper, LLC, 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 Not Collected

    The developer does not collect any data from this app.

    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
    • The Frum Shopper, LLC
    Size
    • 1.1 MB
    Category
    • Games
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 The Frum Shopper, LLC
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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