Search app
CSR Racing 2

GAP Score Calculator

Medical & Productivity
Last Update
May 11, 2022
View in store

Store Performance Index


Store Performance Index shows overall performance of your app on app stores. It is based on combined ASO & reviews metrics.

See more data

Ratings & Reviews performance for GAP Score Calculator

Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.

Number of reviews,


Avg rating,



1314 chars

This App allows calculation of the Global Alignment and Proportion (GAP) Score using Pelvic Incidence (PI) and measured sagittal plane parameters. Simply type in the measured PI, and obtain its ideal values. Then, put in measured Sacral Slope, L1-S1 Lordosis, L4-S1 Lordosis and the Global Tilt to obtain scores per domain as well as the Total GAP Score. Please note the obtained data provided to you by the GAP Score calculator are only estimates. There may be other factors that are not included in the estimate which may not be representative of the actual spinal alignment. This tool does not substitute clinical judgment. JSDI is not responsible for medical decisions that may be made based on the calculation that this app estimates, since these estimates are provided for informational purposes only. Original GAP Score formulae and research that this app is based upon: Yilgor, C., Sogunmez, N., Boissiere, L., Yavuz, Y., Obeid, I., Kleinstück, F., … European Spine Study Group (ESSG). (2017). Global Alignment and Proportion (GAP) Score: Development and Validation of a New Method of Analyzing Spinopelvic Alignment to Predict Mechanical Complications After Adult Spinal Deformity Surgery. The Journal of Bone and Joint Surgery. American Volume, 99(19), 1661–1672.

 Why to reply to reviews?

User reviews affect conversion to installs and app rating. Featured and helpful reviews are the first to be noticed by users and in case of no response can affect download rate. This is why it is highly recommended to reply to them.

CSR Racing 2

About GAP Score Calculator

Developed by Japan Spinal Deformity Institute (JSDI).

GAP Score Calculator is ranking in   Medical & Productivity

Last update was at May 11, 2022and the current version is 1.0.

To see all other keys and revenue click here 1328153071

GAP Score Calculator have a 0a user reviews.

GAP Score Calculator was released in the App Store. It is developed by Japan Spinal Deformity Institute (JSDI), who have also released the following apps.

GAP Score Calculator has 0 user reviews.​

GAP Score Calculator has an average rating of 0.0. ​The latest version of GAP Score Calculator 1.0​ ​​was ​released on May 11, 2022​.

You can download GAP Score Calculator ​here

Find growth insights on our blog

How to Respond to Google Play Reviews

How to Respond to Google Play Reviews

How to Respond to App Store Reviews

How to Respond to App Store Reviews

AppFollow identifies top apps in the App Store and Google Play in 2020

AppFollow identifies top apps in the App Store and Google Play in 2020

React to user feedback and market trends faster