Backtrack Stack
Games
59,99 € · Designed for iPad
Backtrack Stack is a modern N‑Back trainer with position, audio, and optional color cues—plus detailed stats and adaptive difficulty to keep you challenged.
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
This app has not received enough ratings or reviews to display an overview.
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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Size
- 965.6 KB
- 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+
- 4+
- Contains
Advertising
- Provider
The Frum Shopper, LLC
- The Frum Shopper, LLC has identified itself as a trader for this app and confirmed that this product or service complies with European Union law.
- DUNS Number
058926930 - Address
525 Route 73 N
Ste 104
Marlton New Jersey 08053-3422
United States - Phone Number
+1 3472803050 - Email
support@thefrumshopper.com
- Copyright
- © 2026 The Frum Shopper, LLC
