# DuoLine : Second Mobile Number — Sms Verification & Real Number

> Provides a secondary phone number for private and business communication. (iPhone/iPad app by SORO SONS BILGI TEKNOLOJISI TICARET LIMITED SIRKETI.)

- Source: https://appshunter.io/ios/app/duoline-second-mobile-number/id6447859028 (this page in markdown: same URL + `.md`)
- Developer: [SORO SONS BILGI TEKNOLOJISI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1091025398)
- Category: Reference, Social Networking
- Price: Free with in-app purchases
- Rating: 2.00/5 from 2 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 57 MB
- Languages: American English
- Released: 2023-04-23
- Data updated: 2026-08-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/duoline-second-mobile-number/id6447859028/reviews.md

## What is DuoLine?

Duo Line is a revolutionary mobile application that provides users with a second phone number to use for private communication or business purposes. With Duo Line, you can make and receive calls .
Uninterrupted calls anywhere, local or international, without expensive roaming to recipients' Local phone number.
Have a private line second phone number for private calls .

- Do you want to get a verification code to register on some social media platforms?
It is now very easy to have a second phone number on social media platforms where you can get a verification code for whatsapp, twitter and gmail.

# SECOND PHONE NUMBER #

* The app offers unlimited  calling, allowing users to communicate as much as they want without worrying about extra fees or overages. This feature is especially beneficial for businesses that require a second phone line for customer service or sales.


* The app's user-friendly interface makes it easy to manage both phone lines in one place, without the need for a second device. 

 # UNLIMITED #

In addition, Duo Line can use these phone numbers for users to register on the Social media platform of their choice. Get ready to sign up for unlimited social media platforms with Duo Line.


# PRIVATE PRİVACY #

Overall, Duo Line is an excellent solution for anyone who needs a scret second phone number. With its extensive features, user-friendly interface, and robust privacy options, it's the perfect app for private communication, business needs.Try it today and discover the convenience and flexibility that Duo Line can bring to your life.

Why Duo Line ?
Ad-free experience: Enjoy unlimited calls without being disturbed by ads
Real second phone number
Private phone number for social media sign-up
International phones with second phone number service.
Get a good cell phone number without an extra SIM card
Any other situations that you don’t want to expose your real phone number.

# SMS - Coming Soon! #
Sometimes he can untie someone via SMS, but from another number. Soon you will be able to send SMS directly through our app. We will notify you when this feature becomes available.

## Key features

- Second phone number for private use
- Business communication line
- Social media verification codes
- Unlimited calling
- International calls
- Ad-free experience
- No extra SIM card needed

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| 1 Number Weekly | $4.99 | per 7 days |
| 3 Number Weekly | $12.99 | per 7 days |
| 5 Number Weekly | $19.99 | per 7 days |
| 1 Number Monthly | $9.99 | per month |
| 3 Number Monthly | $24.99 | per month |
| 5 Number Monthly | $44.99 | per month |


## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/duoline-second-mobile-number/id6447859028/reviews.md

### 3/5 — Problemas

*2026-01-29*

Ya lo he usado anteriormente y todo bien. Pero en estos momentos intento ingresar a la aplicación y no me abre. SOS

### 1/5 — Money wasting app

*2023-05-08*

It’s a fooling aap pls don’t buy anyone they make only fool here nothing have any option here like call msg etc

### 1/5 — fraud

*2023-05-05*

i m done my payment but number not working in my phone

**Developer response:** Hello Fraud
Please contact us on sorososnbt@gmail.com to fix your problems

### 1/5 — Thieves

*2023-05-04*

Making fool of people. No all option . I thrown my money into garbage

**Developer response:** Hello Thieves
Please contact us on sorososnbt@gmail.com to fix your problems

## Frequently asked questions about DuoLine

### Does DuoLine offer a free trial?

DuoLine is free to download and use for its core features. Subscription plans for additional numbers and features are available, with weekly and monthly options starting at $4.99.

### How does DuoLine compare to other second number apps?

DuoLine emphasizes an ad-free experience and provides real second phone numbers for private communication and social media sign-ups. It offers unlimited calling and international capabilities without requiring an extra SIM card.

### What are the subscription options for DuoLine?

DuoLine offers several subscription plans, including '1 Number Weekly' for $4.99, '1 Number Monthly' for $9.99, and tiered weekly and monthly plans for 3 and 5 numbers.

### Is DuoLine suitable for international use?

Yes, DuoLine supports international calls and provides second phone number services for international use, allowing for communication without expensive roaming charges.

### Can I use DuoLine for SMS verification?

Yes, DuoLine allows you to obtain a second phone number that can be used to receive verification codes for social media platforms like WhatsApp, Twitter, and Gmail. SMS functionality is also planned for future release.

### What is the update frequency for DuoLine?

The app was last updated on May 1, 2023, with version 1.0.1. This indicates relatively recent development activity, though specific update frequency is not detailed.

### What age rating does DuoLine have?

DuoLine has an age rating of 4+, making it suitable for a wide range of users. It is available on iPhone, iPad, and iPod.

### What are the main benefits of using DuoLine?

Users benefit from a private second phone number for calls and social media sign-ups, an ad-free calling experience, and the convenience of managing multiple lines without a second device or SIM card.

## Version history (last 2 releases)

### 1.0.1 — 2023-05-01

Bugs fixed

### 1.0 — 2023-04-23

No release notes.

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All apps by SORO SONS BILGI TEKNOLOJISI TICARET LIMITED SIRKETI: https://appshunter.io/developer/1091025398

## Related topics

[real numbers second](https://appshunter.io/ios/topics/real-numbers-second)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*