# Duo Number - 2nd Phone Line

> Get a second line for unlimited calls and private text messages!

Canonical page: [https://chrome-stats.com/d/com.duoface.duonumber.android](https://chrome-stats.com/d/com.duoface.duonumber.android)

## Overview

- **ID:** `com.duoface.duonumber.android`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** JUS TECH. LTD.
- **Category:** COMMUNICATION
- **Downloads:** 396,399
- **Rating:** 4.07 / 5 (1,458 ratings)
- **Version:** 3.0.6
- **Last updated:** 2026-05-28
- **First published:** 2022-12-14
- **Publisher country:** HK
- **Size:** 46 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.duoface.duonumber.android)
- **Website:** [https://duonumber.duoface.com](https://duonumber.duoface.com/)
- **Privacy policy:** [https://duonumber.duoface.com/privacy.html](https://duonumber.duoface.com/privacy.html)

## Description

Duo Number - 2nd Phone Line is a versatile calling and texting app that provides you with a private second phone number for personal or business use. Enjoy unlimited calls and private text messages globally with no traditional registration required. Choose local numbers from the US, Canada, or the UK, and make cost-efficient international calls to over 200 countries with crystal-clear HD voice quality over Wi-Fi or cellular data.

Key features include real phone numbers, two-way SMS/MMS, caller ID support, and multiple credit plans valid for one year. Duo Number is perfect for those seeking privacy, convenience, and affordable communication. Take advantage of the new user 3-day free trial and experience a dedicated second line on your smartphone today.

## Rankings

- #112,671 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.BLUETOOTH`
- `android.permission.BLUETOOTH_ADMIN`
- `android.permission.CAMERA`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_MICROPHONE`
- `android.permission.INTERNET`
- `android.permission.MODIFY_AUDIO_SETTINGS`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.RECORD_AUDIO`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.USE_FULL_SCREEN_INTENT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.duoface.duonumber.android.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`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY`

## Review summary

Many reviews complain that the app fails to send texts or place calls even after payment, leaving users with unusable numbers. Repeated issues include being charged without receiving service, unclear pricing, and frequent requests for refunds. Several users slam customer support as slow or unresponsive and some label the service as a scam. A smaller group expresses positive sentiment, calling the app awesome or recommending it, but these views are far outweighed by reliability and value concerns. Overall, reliability and trust appear to be major problems, while a minority still finds value in receiving verification codes or messages.

### Pros

- Some reviewers express overall positive sentiment and say they would recommend the app.
- A subset of users use it for receiving messages.
- Positive expressions such as awesome, love it, cool app, and excellent indicate satisfaction among some users.

### Cons

- Inability to send SMS or make calls; service often does not work despite payment or subscription.
- Users report paying but not receiving services, with requests for refunds and concerns about pricing.
- Customer support is reported as unhelpful or unresponsive.
- Multiple reviews accuse the app of scams or fraudulent behavior.
- Perceived high cost / not free, with overpriced and paying requirements.

## Similar extensions and apps

- [DuoLine : Second Mobile Number](https://chrome-stats.com/d/com.duoline.secondnumber) — 15,389 users, 1.00 / 5
- [2nd Line - Second Phone Number](https://chrome-stats.com/d/com.second.phone.number.text.now.sideline_2ndline) — 1,438,007 users, 4.39 / 5
- [Second Phone Number - 2Number](https://chrome-stats.com/d/com.bpmobile.second.phone) — 4,275,080 users, 4.05 / 5
- [Dou Line - Second Phone Number](https://chrome-stats.com/d/app.idous.second.phone.number) — 43,851 users, 3.65 / 5
- [Second Phone Number | 2nd Line](https://chrome-stats.com/d/com.weup.secondnumber) — 2,299 users, 4.07 / 5
- [Second Phone Number DoCall 2nd](https://chrome-stats.com/d/com.dynapps.docall) — 196,923 users, 4.20 / 5
- [Line2 - Second Phone Number](https://chrome-stats.com/d/com.toktumi.line2) — 3,593,093 users, 3.12 / 5
- [2nd SIM - Second Phone Number](https://chrome-stats.com/d/com.secondphone.virtualnumber) — 4,335 users, 2.60 / 5
- [APhone - Second Phone Number](https://chrome-stats.com/d/com.app.aphone) — 2,460,193 users, 3.33 / 5
- [2nd Phone Number Calling, Text](https://chrome-stats.com/d/com.prettyboa.secondphone) — 635,199 users, 4.48 / 5
- [2nd Line : Second Phone Number](https://chrome-stats.com/d/com.phonebooster.deepcleaner) — 1,577 users, 4.29 / 5
- [Second Phone Number - 2nd Line](https://chrome-stats.com/d/com.secondphone.phonenumber.virtualnumber.calling.text) — 67,272 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/com.duoface.duonumber.android)