N'Back Butterfly
Free
1.9.3for iPhone, iPad and more
Age Rating
N'Back Butterfly Screenshots
About N'Back Butterfly
Forget about forgetfulness!
Improve your memory!
Improve Working Memory using N'Back Butterfly.
The n-back task is a continuous performance task that is commonly used as an assessment in cognitive neuroscience to measure a part of working memory. The n-back was introduced by Wayne Kirchner in 1958.
[quoted from Wikipedia 2014-04-02]
Improve your memory!
Improve Working Memory using N'Back Butterfly.
The n-back task is a continuous performance task that is commonly used as an assessment in cognitive neuroscience to measure a part of working memory. The n-back was introduced by Wayne Kirchner in 1958.
[quoted from Wikipedia 2014-04-02]
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What's New in the Latest Version 1.9.3
Last updated on Feb 22, 2024
Old Versions
performance improvement
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Version History
1.9.3
Feb 22, 2024
performance improvement
1.9.2
Jun 16, 2023
performance improvements
1.9.1
May 4, 2022
performance improvement
change ads
change ads
1.9
Oct 7, 2021
Performance improvements.
Removed Google ads.
Added a switch to turn the sound effect on and off.
Added 5'back.
Removed Google ads.
Added a switch to turn the sound effect on and off.
Added 5'back.
1.8
Apr 20, 2020
Performance improvements.
1.7.1
Jul 17, 2018
Compatibility Update
1.7
Oct 5, 2017
Compatibility Update
1.6
Oct 14, 2016
compatibility update
1.5
Jan 23, 2015
some improvements
1.4
Oct 16, 2014
add restart button
update for iPhone6
update for iPhone6
1.3
Oct 4, 2014
update for iOS8
1.2
May 15, 2014
update sound effects (volume).
fixed minor bug.
fixed minor bug.
1.1
Apr 19, 2014
add 4'Back
1.0
Apr 7, 2014
N'Back Butterfly FAQ
Click here to learn how to download N'Back Butterfly in restricted country or region.
Check the following list to see the minimum requirements of N'Back Butterfly.
iPhone
Requires iOS 12.0 or later.
iPad
Requires iPadOS 12.0 or later.
iPod touch
Requires iOS 12.0 or later.
N'Back Butterfly supports English, Japanese
