Dual
Track grid positions and spoken letters in this two-stream exercise.
KW LABS APP
Training for working memory,N-Back
Six training modes using position, audio letters, color, shapes, and visual letters.
Get it on Google PlayGoogle Play
6
Training modes
1–6
Back auto difficulty
500ms
Default stimulus duration
100%
Local record storage
Training modes
Visual
Track positions only — the entry mode for learning the N-Back rhythm.
Audio
Listen for spoken letters and judge whether each matches the one heard N trials earlier.
Triple
Position + sound + color. Adding color recognition spikes the load.
Quad
+ shape. Track shape silhouettes simultaneously in this 4-task mode.
Penta
+ visual letter. The pinnacle — a 5-task challenge mode.
Key features
Track progress with signal-detection d' sensitivity scores
A 500 ms default stimulus duration with adjustable timing
Records and settings stay local; no account or server sync