# OneMessage: Crypto Inheritance

> Dead-man switch for your crypto. Auto-sends SMS if your phone goes silent.

Canonical page: [https://chrome-stats.com/d/com.dotcell.onemessage](https://chrome-stats.com/d/com.dotcell.onemessage)

## Overview

- **ID:** `com.dotcell.onemessage`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** dotcell
- **Category:** LIFESTYLE
- **Downloads:** 20
- **Version:** 0.3.8
- **Last updated:** 2026-07-23
- **First published:** 2026-04-14
- **Publisher country:** KR
- **Size:** 44 MB
- **Data as of:** 2026-10-22
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.dotcell.onemessage)
- **Website:** [https://onemsg.net/](https://onemsg.net/)
- **Privacy policy:** [https://docs.google.com/document/d/1dbmXO1y57i-hWS0JgSXAbLdGFg2V\_diQCADASIs53uY/edit?usp=sharing](https://docs.google.com/document/d/1dbmXO1y57i-hWS0JgSXAbLdGFg2V_diQCADASIs53uY/edit?usp=sharing)

## Description

What OneMessage is NOT<br><br>OneMessage is not a cryptocurrency wallet, exchange, or custody service. It does not store, send, or manage cryptocurrency. It only delivers SMS messages that you write yourself.<br><br>━━━━━━━━━━━━━━━━<br><br>One Message — A simple way to prepare for the unexpected<br><br>If you self-custody crypto, you hold the keys yourself. That also means access can be lost if something unexpected happens.<br><br>With OneMessage, you can prepare a message for your family in advance.<br><br>Example:<br>“Open Carl Sagan’s Cosmos on the second shelf in the study.”<br><br>Your message is encrypted and stored securely in the cloud. If your phone does not check in before the timer ends, the SMS is sent automatically.<br><br>Important:<br>Never include private keys or seed phrases directly in the SMS body. SMS is not end-to-end encrypted. Use simple hints that only your family can understand.<br><br>━━━━━━━━━━━━━━━━<br><br>Safety Message — Daily peace of mind<br><br>For people who live alone or stay far from family.<br><br>If your phone has not been used for 12 hours, OneMessage can automatically send a safety SMS to a trusted contact. It is free once a week and works quietly in the background during normal phone use.<br><br>Useful for:<br>• People living alone<br>• Older family members living independently<br>• Adult children living abroad<br>• Crypto holders who want an extra safety layer<br><br>Why OneMessage<br><br>Cloud-based delivery<br>Your message is stored securely in the cloud, so delivery does not depend only on your phone.<br><br>Passive check-in<br>Using your phone normally resets the timer. No daily manual check-in is needed.<br><br>18 languages<br>Supports Korean, English, Japanese, Chinese, and more.<br><br>━━━━━━━━━━━━━━━━<br><br>Privacy &amp; Security<br><br>• Messages are encrypted at rest<br>• Recipient information is protected until delivery<br>• You can edit or delete your message at any time<br><br>━━━━━━━━━━━━━━━━<br><br>Your crypto plan. Your message. Prepared in advance.<br><br>Download OneMessage and set up your first message in minutes.

## Rankings

- #2,755,220 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_NOTIFICATION_POLICY`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_CONTACTS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.RECORD_AUDIO`
- `android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.USE_BIOMETRIC`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_CONTACTS`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.dotcell.onemessage.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.dotcell.onemessage)