InstAddr app icon
Official build · Clean

InstAddr APK Download for Android

kukusama
ToolsDisposable emailEmailPrivacy
8.371 reviews
873Downloads
13.40 MBSize
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APKBA gives you the package name, version details, SHA-256 checksum, VirusTotal scan notes, install-test result, Android requirement, and screenshot evidence before the download. Review these signals to download InstAddr APK with more confidence.

About InstAddr APK

InstAddr is a multi-address email app for people who want separate inboxes for sign-ups, contacts, and everyday messages. Create disposable or long-lasting addresses, choose a custom name, or let the app generate a memorable one. From the mail interface, you can open inbox and sent folders, compose messages, attach files, and keep conversations organized. Push alerts help you notice new mail, while filters, blocking, protection mode, and cross-device sync support longer-term use. It is a practical way to compartmentalize email without juggling several conventional mail apps.

Publisherkukusama
Packageair.kukulive.mailnow
SourceGoogle Play
CategoryTools

Features & use cases

Separate Addresses for Different Email Needs

InstAddr centers on creating multiple email addresses for distinct sign-ups, contacts, and event communication. Users can keep a separate inbox for a service, a short-lived conversation, or a public contact point instead of exposing their main mailbox. New addresses can be added without changing existing ones, so each purpose remains easy to identify.

The address creator accepts characters chosen by the user and can generate short or memorable names automatically. Addresses remain available until deleted, making them useful beyond a one-time verification. This setup gives people a simple way to sort incoming mail by purpose while keeping routine newsletters and unfamiliar requests away from a primary account.

Compose, Reply, and Organize Mail

The mailer brings everyday actions into one compact workspace. Users can open inbox and sent-mail views, write a message with Sender, Recipient, Subject, and Message fields, then reply, forward, or share a conversation when needed. Attachments and HTML messages make it suitable for more than plain text.

Filters and mail-blocking controls help keep separate addresses manageable as volume grows. The same workspace can be opened from a browser, while the address list and navigation keep composing and reviewing mail close at hand. For event contacts, project updates, or routine sign-up messages, this combination reduces the need to switch between several mail clients.

Push Alerts and Cross-Device Continuity

Push notifications can announce new messages even when InstAddr is not open. Users can keep alerts on for every address or limit them to selected ones, which helps distinguish an important contact channel from a low-priority sign-up inbox. Android notification controls provide additional control over pop-ups, sound, vibration, lock-screen display, and badges.

Addresses and messages can also follow the user across a PC or another smartphone. The service uses generated sign-in details for restoration and synchronization, so keeping those details available matters when changing devices. Protection mode can preserve selected messages beyond the normal one-month retention window, making important conversations easier to revisit.

Web Forms, Sharing, and Practical Contact Points

InstAddr extends beyond private inboxes by turning an address into a contact point for other people. Users can share a message as a web page with a URL, assign an address to someone else, or create a web form for a campaign, group, or event. These options make a separate mailbox useful when many people need a simple way to reach the same project.

The app accepts messages in different languages, supports emoji and decorated mail, and can handle attachments. That flexibility suits quick sign-up verification, temporary correspondence, community contact, and small event coordination. People who want a focused mail tool with reusable addresses can keep each channel distinct while still handling everyday replies in one place.

File integrity (SHA-256)

File SHA-256
e2c894c663730b108c1d4f088965074384ee8123f144974afe74780522318e03
Signing Certificate SHA-256
bac049fcc3b5cba59d06ef97746f5bdc2703a9a31186508a38c7256bfe2d01c2

Learn how this value helps verify APK file integrity. SHA-256 checksum guide

Security scan results

Verified by VirusTotal

0 / 75 vendors flagged

Verified at: 08/31/2026, 21:16:27 / Scan target: InstAddr Android APK 2026.08.12.1

View VirusTotal report

Learn how to read detection ratios, scan dates, and APK scan notes. VirusTotal APK scan guide

Install test results

Android deviceLaunch passed

Install Test Result

Package: air.kukulive.mailnow Version: 2026.08.12.1 Version code: 1096000 Install result: The XAPK installed successfully. Launch result: InstAddr opened successfully. Reached screen: The mail interface loaded with address, inbox, sent-mail, and compose navigation.

Install Test PreviewFlow preview available

A short visual sequence follows the notification prompt and mail interface.

InstAddr install test preview
Launch-to-mail-interface preview for InstAddr 2026.08.12.1.

Review package identity, permissions, scan notes, and install behavior before installing. APK safety checklist

Ads, purchases, login & updates

AdsAds appeared

An ad banner was visible along the bottom of the mail interface during use.

In-app purchasesPurchases may be available

InstAddr may offer in-app purchases and the package includes Android billing support. Review the displayed price and terms before confirming payment.

Forced loginNo login required to start

InstAddr opened to its mail interface without an account prompt at launch. Cross-device restoration uses the generated sign-in details described by the service.

Forced updateNo update prompt at launch

InstAddr opened without requiring an immediate app or resource update.

Screenshot evidence gallery

Suitable / not suitable audiences

Suitable for

  • People who want separate inboxes for sign-ups, contacts, or event communication.
  • Users who need to compose and manage email from multiple addresses.

Not suitable for

  • Users who need a conventional primary mailbox with no advertising or optional paid features.
Download APK (13.40 MB)