10+
Downloads
Content rating
Everyone
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About this app

Overview
Grape3 is the next-generation version of Grape, designed to support apartment residents during periods when the regular intercom system is unavailable due to construction or maintenance.
With Grape3, residents can receive real-time push notifications, view visitors through live video, start a two-way conversation, and unlock the entrance door—all directly from their smartphone.
In addition, Grape3 introduces telephone unlocking, enabling residents without smartphones (such as users with feature phones or older devices) to answer calls and unlock the door simply by dialing a special code.
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Features
• Instant Notifications
Receive alerts immediately when a visitor calls your room.
• Live Video Confirmation
See who is at the entrance before responding.
• Two-Way Voice Calls
Speak directly with visitors from your smartphone.
• Smart Door Unlocking
Unlock the entrance door with one tap in the app, or by dialing a code during a phone call.
• Quick Replies
If you are unable to answer, choose a preset message that will be displayed and announced at the entrance unit.
• Visitor History
Review images and timestamps of past visitors at any time.
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Purpose
Grape3 is specifically designed as a temporary intercom replacement system during apartment renovation or intercom construction periods, ensuring residents remain connected and secure without interruption.
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(Optional safety line for Japanese users)
Japanese support is available via our call center during the intercom replacement period.
(During the intercom construction period, Japanese support is also available via the call center.)
Updated on
Mar 5, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
Committed to follow the Play Families Policy

What’s new

Fixed bugs and improved connection stability.

App support

About the developer
NESPE CO.,LTD.
nsp-dev@nespe.com
1-4-6, TOSABORI, NISHI-KU HIGOBASHI SHINKOSAN BLDG.8F. OSAKA, 大阪府 550-0001 Japan
+81 6-6147-2013