Cognilo app icon For adults who freeze at countdowns

Stop racing the clock.
Start thinking it through.

Three taps match you to an untimed brain game mode and a first puzzle, no stopwatch involved.

1 of 3

When a countdown appears, you…

2 of 3

Scores make you…

3 of 3

Your favourite kind of puzzle?

Your match

Download Cognilo: Brain Training Games on the App StoreFree on iPhone · untimed by default

Are there untimed brain games for adults?

Yes: Cognilo's daily brain games are untimed by default, so accuracy, not speed, decides how you did. A clock is something you add (Sprint) rather than something you fight. We make Cognilo, and we built it this way because so many adults told us timers turned a puzzle into a test. Updated November 2026.

Who untimed brain games are not for

Speed chasers

If the thrill is beating a buzzer, a reaction or arcade-style trainer will feel livelier. Cognilo's Sprint helps, but it's not the main event.

Diagnosis seekers

Ratings describe how you play Cognilo puzzles. They are not a measure of intelligence or health.

One-puzzle fans

If you want one long sudoku or crossword, a dedicated puzzle app fits better than five short rounds.

What your quiz result means in the app

Each puzzle is set to your current level and shows a plain-language reason why it was picked today. Say a round felt too easy or too hard and the next one responds.

Proof: untimed, on the screen

Cognilo Train screen with Precision, Sprint and Zen tabs and the note: Precision, untimed, accuracy decides the rating
"Precision · untimed. Accuracy decides the rating."
Cognilo Pattern Recall round: Tap the 7 tiles that lit up, with Swap game and Pause buttons
Pattern Recall: no countdown, a Pause button.
Cognilo Today screen: Continue Daily 5, 2 left, about 4 min at your pace
"About 4 min at your pace": an estimate, not a deadline.

Honest limits

A few things still involve time. Quick Signal is a recreational reaction round. Pro's Pressure Response test deliberately compares untimed and timed play. And days with the Market Run shopping scenario take a little longer. Everything else waits for you.

One design decision we made: Cognilo's Rhythm counts days per week rather than an unbroken streak, so there's no clock on your habit either.

Timed vs untimed brain games, side by side

Typical timed game

Score falls if you pause to think. Speed and accuracy blur together. Good for adrenaline.

Cognilo, untimed

Accuracy decides the rating. Pause any time. A strategy tip and a replay of anything that slipped.

Take the time; the puzzle will wait.

Make it a habit with Cognilo

Five untimed puzzles, about six minutes at a typical pace. Make it a habit with Cognilo, free on iPhone.

Download Cognilo: Brain Training Games on the App Store

Untimed brain game questions

Are there brain games for adults with no timer?

Yes. Cognilo is untimed by default: its Precision mode has no clock and accuracy decides the rating. Sprint adds a timer only if you choose it, and Zen is unrated.

Is Cognilo free?

The free tier is complete: the Daily 5, all six skills, ratings, the Benchmark and achievements. Cognilo Pro (on the App Store at $9.99 a month or $44.99 a year) adds two Performance Lab tests, weekly and monthly reports and longer rating history.

Does untimed mean easier?

No. Rounds are set to your current level either way. Untimed means you can think a step through instead of guessing to beat a bar.

Can I pause in the middle of a puzzle?

Yes. You can swap, pause or stop a game whenever you like.

Will my ratings drop if I play slowly?

In untimed Precision, accuracy decides the rating, not speed. Zen rounds are not rated at all.

Related