GRAntz is made and published by Naoya Takahashi. AppBrain is an independent app data site and isn't affiliated with Naoya Takahashi. The app name, icon, screenshots and description belong to Naoya Takahashi and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- October 9, 2026
- Size
- 2.15 MB
User feedback
Ratings and reviews on the App StoreComments on GRAntz for iOS
We don't have enough comments to show example comments. Please check back later.
Store listing
By Naoya Takahashi, from the App Store
Description by Naoya Takahashi Written by the developer, not by AppBrain. Click to read.
専用アプリなのでいつもの予約がとっても簡単！
24時間いつでも予約が可能です。
マイページからは予約状況の確認や予約履歴の確認、
キャンセルなどもマイページ上から行えます。
【主なアプリの機能】
◾予約機能
◾クーポン
◾マイページ機能
◾お知らせ機能
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 2.15 MB
- Content rating
- Everyone
Technologies used by GRAntz
Releases
Updates seen on the App Store- Version
- 1.261008.0
- Launched
- June 2019
No changelog data
Alternatives
Similar apps and more from Naoya TakahashiAlternatives to GRAntz
More from Naoya Takahashi
Rankings
App Store top chartsApp Store Rankings for GRAntz
About the app and developer
About GRAntz
GRAntz is a lifestyle app developed by Naoya Takahashi.
User Ratings
The app has no ratings yet.
App Information
GRAntz is freely available from the App Store. The app size is 2.15 MB. The latest version available is 1.261008.0. The last update was on October 9, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since June 2019.
Developer information for Naoya Takahashi
Address:
Frequently asked questions about GRAntz
Is GRAntz free?
Yes. GRAntz is free on the App Store.
Is GRAntz still available?
Yes. GRAntz is on the App Store, and the last update we saw was on October 9, 2026.
How large is GRAntz?
GRAntz is 2.15 MB.
Is GRAntz suitable for children?
App Store rates the content of GRAntz as suitable for everyone.
Who made GRAntz?
GRAntz was developed by Naoya Takahashi. It is listed in the lifestyle category on the App Store.
What are the best alternatives to GRAntz?
People looking at GRAntz also look at these lifestyle apps: HANABUSA Beautyアプリの公式アプリ, ウエダヤの公式アプリ, RENO, WaterPlantly - Reminder, ごみ Navi for 長野.