GBA-400+
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperCASIO COMPUTER CO., LTD.
CategoryUtilities
PriceFree
Released
Rating★ 1.6 (20)
Version1.0.1
Age rating4+
First seen by us
23 Oct 2026
Rating
1.6 ★
20 ratings
Measured
GBA-400+ on the App Store
App details
App ID
1483704854
Publisher
CASIO COMPUTER CO., LTD.
On the store since
Feb 2020
6 years on the store
Minimum OS
iOS 11.0+
iPhone 5s and later
Devices
iPhone · iPad
Content rating
4+
Languages
12
AR EN FR DE IT JA KO PT RU ZH ES ZH
Size
24 MB
Also listed in
Lifestyle
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
1.6 ★
20 ratings
Measured
Ratings
20
Measured
About GBA-400+
●Description
This is the basic application for connecting and communicating with a Bluetooth(R) v4.0 enabled CASIO watch.
Pairing your watch with an iPhone enables use of a variety of different Mobile Link functions that greatly enhance the iPhone experience.
The GBA-400+ app also simplifies certain watch operations by letting you perform them on your phone screen.
Visit the website below for details.
http://world.g-shock.com/
We recommend using GBA-400+ on the following operating systems.
Operation is not guaranteed for any operating system not listed below.
Even if an operating system has been confirmed as compatible, software updates or display specifications may prevent proper display and/or operation.
⋅ iOS 12 or later.
Applicable Watches: GBA-400
Please refer to the FAQ link below to resolve problems such as being unable to connect or operate the watch.
https://support.casio.com/en/support/faqlist.php?cid=009001019
This application uses location information to obtain accurate time.
For "Location Service" in iPhone privacy settings, please "Always". If it is not "Always", the application will not work properly.
Continued use of GPS running in the background can dramatically decrease battery life.
This is the basic application for connecting and communicating with a Bluetooth(R) v4.0 enabled CASIO watch.
Pairing your watch with an iPhone enables use of a variety of different Mobile Link functions that greatly enhance the iPhone experience.
The GBA-400+ app also simplifies certain watch operations by letting you perform them on your phone screen.
Visit the website below for details.
http://world.g-shock.com/
We recommend using GBA-400+ on the following operating systems.
Operation is not guaranteed for any operating system not listed below.
Even if an operating system has been confirmed as compatible, software updates or display specifications may prevent proper display and/or operation.
⋅ iOS 12 or later.
Applicable Watches: GBA-400
Please refer to the FAQ link below to resolve problems such as being unable to connect or operate the watch.
https://support.casio.com/en/support/faqlist.php?cid=009001019
This application uses location information to obtain accurate time.
For "Location Service" in iPhone privacy settings, please "Always". If it is not "Always", the application will not work properly.
Continued use of GPS running in the background can dramatically decrease battery life.
Latest updates
1.0.1
Stability improved, minor bugs eliminated.