Attention
Twin
Two rings of glyphs spin in opposite directions — find the one glyph that's identical in both and tap it before the timer runs out.
Attention · Visual Search
Cognitive skill
Attention
Session length
2–3 minutes
Difficulty
Balanced
What it trains
The skills behind Twin
Visual Search
Selective Attention
Inhibition
What it measures
How Twin feeds your trends
Every session contributes to your Attention rating, which rolls into your Brain Fitness Index — a single 0–100 score across all six skills. Difficulty adapts to you, so Twin stays in your stretch zone, and you can review how it trends over time on the web dashboard.
CogDojo measures and motivates your training. It is not a medical product and does not diagnose, treat, or prevent any condition.Play Twin in the CogDojo app
Quick 2–3 minutes sessions on your phone. Watch your Attention trend take shape — free to start.
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