GREEiN
GREEiN is #23 in Sports Paid in Japan and charting in 1 of 16 countries we track.
DeveloperTechno Craft Co., Ltd.
CategorySports
Price150 JPY
Released
Rating★ 1.9 (7)
Version1.170
Age rating4+
First charted🇯🇵 24 Sep 2026
Where it ranks now
Every top chart it appears in across 16 countries.
| Country | Chart | Rank |
|---|---|---|
| 🇯🇵 Japan | Sports · Paid | #23 |
Members see more
Sign inEstimated downloads and revenue, ratings momentum, rank history, recent reviews per country and breakout scores for GREEiN.
About GREEiN
GREEiN Golf Putting Grain and Slope Reader
GREEiN, the app that gives instant info on grain and slope
Now get your grain reading in just ONE second!
Easier to use than ever before, GREEiN is sure to help your score!
Even pros admit that it’s difficult to read both the slope and the grain.
But with the new putt training app GREEiN, it’s a snap!
GREEiN has 3 easy-to-use functions:
GRAIN reader shows the roughness and direction of the grain!
SLOPE reader shows the degree and direction of the slope!
PUTT reader shows both, all at once!
All golfers who want to improve their score,
Everyone who wants to train their green reading skills,
GREEiN is the perfect app for you!
Enjoy golf even more with GREEiN!
This application was developed using open CV technology.
◎About the Functions
GRAIN reader:
Just take a photo of the green from knee-height with your smartphone facing towards the cup, and GRAIN reader will give you a reading for both the roughness and direction of the grain. Your result is visually displayed with easy-to-understand arrows showing direction. The number of arrows indicates the roughness of the grain in 3 levels.
SLOPE reader:
Just place your smartphone on the green facing towards the cup and SLOPE reader will give you a reading for both the degree and direction of the slope. Your result is visually displayed with easy-to-understand arrows showing direction. The degree of slope is indicated up to 21 degrees, by number and color.
PUTT reader:
Use both GRAIN reader and SLOPE reader all at once! Just perform the necessary steps for using each function at a single spot on the green and PUTT reader will give you a simultaneous reading for both slope AND grain! PUTT reader can give you just the hint you need to help predict how the condition of the green will affect your putting.
Compatible devices
iOS 9.0 and higher
GREEiN, the app that gives instant info on grain and slope
Now get your grain reading in just ONE second!
Easier to use than ever before, GREEiN is sure to help your score!
Even pros admit that it’s difficult to read both the slope and the grain.
But with the new putt training app GREEiN, it’s a snap!
GREEiN has 3 easy-to-use functions:
GRAIN reader shows the roughness and direction of the grain!
SLOPE reader shows the degree and direction of the slope!
PUTT reader shows both, all at once!
All golfers who want to improve their score,
Everyone who wants to train their green reading skills,
GREEiN is the perfect app for you!
Enjoy golf even more with GREEiN!
This application was developed using open CV technology.
◎About the Functions
GRAIN reader:
Just take a photo of the green from knee-height with your smartphone facing towards the cup, and GRAIN reader will give you a reading for both the roughness and direction of the grain. Your result is visually displayed with easy-to-understand arrows showing direction. The number of arrows indicates the roughness of the grain in 3 levels.
SLOPE reader:
Just place your smartphone on the green facing towards the cup and SLOPE reader will give you a reading for both the degree and direction of the slope. Your result is visually displayed with easy-to-understand arrows showing direction. The degree of slope is indicated up to 21 degrees, by number and color.
PUTT reader:
Use both GRAIN reader and SLOPE reader all at once! Just perform the necessary steps for using each function at a single spot on the green and PUTT reader will give you a simultaneous reading for both slope AND grain! PUTT reader can give you just the hint you need to help predict how the condition of the green will affect your putting.
Compatible devices
iOS 9.0 and higher
Latest updates
1.170
v1.170
Bug Fixes
