■ Largest workout community for every trainee!
■ Very easy workout log app!
■ Record daily workout and share on SNS!


LIBRARY is workout community for who loves workout and enjoy training life.

Of course, training beginners welcome. Let's all be strong together!


Want to log workout more easily, want to log workout with smartphones instead of handwritten notes, want to increase your training friends, want to have specialized app for training, etc..

The long-awaited workout recording application that answered to the voice that we want to!!

■■ Features of LIBRARY ■■
# 1 Easy log with a simple UI
LIBRARY is very simple! You can record your workout more more easily!!

# 2 Make new workout friend
Many trainees join on LIBRARY. You can find new workout friend!

# 3 Lots of exercises are initially registered
There are hundreds of exercises registered initially.
If you do not have the usual exercises, you can also add the original exercises. In addition, registered exercises in app is updated every day.

■■ Other uses such as... ■ ■
· Maniac muscle talking that can not be posted in usual SNS.
· To find a new trainee community.
· When you want to brag about your muscles.
· When watching everyone's training and want to receive stimulation from others.
· When you want to do something different from usual workout.
· When another training recording application was too difficult.
· always training by yourself, but you really want a buddy.

LIBRARY is the most easy-to-use workout recording app that can be used in various usage scenes. Let's spread training community and let's make daily workout more enjoyable and become stronger with everyone!

What’s New

Version 2.0.5

■ Improving performance
■ Corresponding to Sign in with Apple

Ratings and Reviews

4.3 out of 5
7 Ratings

7 Ratings

Cuty Pinky ,


いいアプリだとは思うが、kg だけでなくlb でも入れられるように至急頼む!体重などもプライベートで記録出来ると尚良い。

App Privacy

The developer, Koyo Matsumoto, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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