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Duo Phone Number - 2nd Line

Duo Phone Number - 2nd Line

Sideline for private call &sms

386 ratings
45 reviews
With Ads
🔧 Utilities
🌐 Social Networking
Free
In-App PurchasesWith Ads

Details

  • Released
  • Updated
  • January 31, 2023
  • May 14, 2025

Features

Developer

JUSI PTE.LTD.
✨Promote your app ✨
Duo Phone Number - 2nd Line screenshot #1 for iPhone
Duo Phone Number - 2nd Line screenshot #2 for iPhone
Duo Phone Number - 2nd Line screenshot #3 for iPhone
Duo Phone Number - 2nd Line screenshot #4 for iPhone
Duo Phone Number - 2nd Line screenshot #5 for iPhone
Duo Phone Number - 2nd Line screenshot #6 for iPhone
iphone
ipad
🧾$1.99 - $39.99
In-App Purchase↘︎
📌Ready
Reviews summary↘︎
⭐45
Reviews↘︎
🔄6+ apps
Alternatives↘︎
❓5 answered
FAQ↘︎
📦w/o updates
Updates frequency↘︎
🖼️Get Icon
Icons↘︎

About

This app provides a private second phone number for calls and texts, allowing you to separate personal and work communications. It offers global calling and texting capabilities with various credit plans and an optional premium subscription for an ad-free experience.

✓Private second phone number
✓Global calls and texts
✓Cost-efficient international rates
✓HD voice quality
✓Caller ID enabled
✓Two-way SMS/MMS
✓Ad-free premium option
Show original description

What users say

Summarized from real user reviews of Duo Phone Number. Based on 386 reviews and a 4.6/5 average, it highlights the 4 positives and 9 negatives reviewers mention most about this Social Networking app.

Positive things

  • 👍User-friendly interface
  • 💬Messaging and calling functionality
  • 🎁Free trial availability
  • ⭐Positive user experience for some users

Negative things

  • 💰Expensive pricing and hidden charges
  • 🐛Messages and verification codes not received
  • 📵Non-functional phone numbers
  • 🚫Deceptive billing practices
  • 😤Poor customer service and refund issues
  • 📱App crashes and freezes
  • 🎯Misleading free trial terms
  • ⚠️Fake or already-used numbers
  • 💸Double charging for services
See all reviews

What's New in Duo Phone Number

2.5.1

May 14, 2025

Bug fix Thank you for using Duo Number! If you have any questions, please feel free to email us, and we would love to hear from you: duonumber@duoface.com.

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Subscription plans

Premium Week

Get a number with extra credits and AD-free

$3.997 Days
3 Days trial
How to cancel Duo Phone Number subscription ⁉️
4

In-App Purchases

$1.99

Credit 100

Get 100 credits for calling & texting

User reviews

Most RecentHighest RatedLowest Rated

Useless

Not receiving any call or SMS
Dj1231___Dj1231___

Response from developer

Dear user, Thank you for contacting us. We sincerely apologize for any inconvenience caused. Please provide the following information to duonumber@duoface.com so we can locate to the cause of the issue more quickly. Thank you. Your Number: Sender Number: Messaging Time: Your Time Zone:

Дно

Не приходят сообщения !!!!
ClypuClypu

Response from developer

Уважаемый пользователь, Благодарим вас за обращение. Приносим искренние извинения за доставленные неудобства. Пожалуйста, предоставьте следующую информацию на адрес duonumber@duoface.com, чтобы мы могли быстрее определить причину проблемы. Спасибо. Ваш номер: Номер отправителя: Время отправки сообщения: Ваш часовой пояс:

DO NOT TRUST THIS APP!!!

THEY OFFERED A FREE TRIAL SO I SUBSCRIBED AND THEN THESE GREEDY PIGS IMMEDIATELY CHARGED ME AND NOW WILL NOT REFUND THE MONEY!!!
JLev112$manJLev112$man

Response from developer

Dear user, On iPhone: If you've subscribed to credits/number using your Apple ID, refunds are handled by Apple, not us. To request a refund from Apple, please go here or follow the steps below: 1. Go to iTunes on a computer 2. Click on your Apple ID 3. Select Purchase History 4. Find the transaction and tap Report Problem

The problem is that the verification code is not received. The program is not working 👎

The problem is that the verification code is not received. The program is not working 👎
Naif0099Naif0099

No funciona

Dos numeros contrate y dice error 999. Deben arreglar o pedire reembolso
Arnaiz2302Arnaiz2302
See 40 more reviews

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User experience

🐞

Reported Bugs

8 issues

Verification codes not arriving

Bug

Messages failing to send or receive

Bug

Phone numbers not working or unreachable

Bug

Error 999 when attempting to use numbers

Bug

SMS and call functionality non-operational despite purchasing credits

Bug

OTP notifications not reaching the app

Bug

Numbers already in use by other users

Bug

App crashes and performance issues

Bug
✨

Requested Features

5 requests

More free credits or coins

Feature

Increased call allowances

Feature

Better notification system for OTP codes

Feature

Removal of excessive ads

Feature

Improved number availability and validity

Feature

FAQ

What does Duo Phone Number do?

Duo Phone Number provides a private second phone number that allows you to make calls and send text messages globally. It helps you separate your personal and work communications without needing a traditional registration process.

What are the key features of this app?

Key features include obtaining a real second phone number, making free calls and sending free texts using credits, cost-efficient global calls to over 200 countries, local numbers (US, CA, UK), HD call quality, caller ID, and two-way SMS/MMS.

How does the app make money?

The app is free to download and use with in-app purchases. Users can buy credit packages for calls and texts, and there is an optional premium subscription for an ad-free experience and extra credits. Subscriptions are managed through your iTunes account.

Is this app compatible with my device?

While specific compatibility details are not provided in the description, the app is available for download, implying compatibility with standard smartphone operating systems. Payment is processed through iTunes, suggesting iOS compatibility.

What are common use cases for Duo Phone Number?

Common use cases include protecting your primary phone number online, managing separate contacts for personal and professional life, making international calls at lower rates, and having a disposable number for temporary needs.