# Duo Phone Number - 2nd Line — user reviews

> 45 indexed App Store user reviews of Duo Phone Number by JUSI PTE.LTD., rated 4.60/5 from 386 ratings.

- Source: https://appshunter.io/ios/app/duo-phone-number-2nd-line/id1662423907/reviews
- App overview in markdown: https://appshunter.io/ios/app/duo-phone-number-2nd-line/id1662423907.md
- Rating breakdown: 5★ 326 · 4★ 22 · 3★ 9 · 2★ 6 · 1★ 23

## What do users think of Duo Phone Number?

Overall sentiment: negative

**Pros**

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

**Cons**

- 💰 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

**Commonly reported bugs**

- Verification codes not arriving
- Messages failing to send or receive
- Phone numbers not working or unreachable
- Error 999 when attempting to use numbers
- SMS and call functionality non-operational despite purchasing credits
- OTP notifications not reaching the app
- Numbers already in use by other users
- App crashes and performance issues

**Most requested features**

- More free credits or coins
- Increased call allowances
- Better notification system for OTP codes
- Removal of excessive ads
- Improved number availability and validity

## Newest reviews (10 of 45)

### 2/5 — Not functioning properly

*2025-03-03*

Recivers are unable to recive or dial despite having credits in my account

**Developer response:** Dear User,

Can you please send us your feedback through the app to help investigate and resolve the issue? Your feedback will generate an app log on our backend and our engineer relies on the app log to try to locate the problem. We’re sorry but we’re unable to figure out what’s happening to you if you can’t send us your feedback. Please follow the instructions below to submit your feedback. Thanks.
1.Click on "Me" in the bottom right corner - tap on "Customer Service" .
2. Find “Send” and submit your issue.
3. After submitting your feedback successfully, please do let us know.

### 2/5 — Need more free coins

*2025-01-17, version 2.4.8*

Thank

### 1/5 — Enganação - é cobrado por cada serviço mas só avisam após o pagamento

*2024-01-21*

LUzzio

### 2/5 — I can't receive code on my phone why that it's ducking up

*2023-12-24*

Pls

### 1/5 — Duo phone call

*2023-12-19*

Duo is terrible and hard to work with it always gives adds and tries to make you buy things on the app and makes you download a whole different app overall it’s a really bad and annoying app

### 5/5 — i like it i want it alwey

*2023-11-14*

fine

### 5/5 — Texting

*2023-11-11*

It good but it’s not enough calls

### 5/5 — I don’t understand this app

*2023-11-08*

Misunderstand

### 5/5 — I don’t understand this app

*2023-11-06*

Misunderstand

### 5/5 — Good app

*2023-11-01*

Awesome

## Most critical reviews (10 lowest-rated)

### 1/5 — Useless

*2026-07-12*

Not receiving any call or SMS

**Developer response:** 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:

### 1/5 — Дно

*2026-02-23*

Не приходят сообщения !!!!

**Developer response:** 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:

### 1/5 — DO NOT TRUST THIS APP!!!

*2025-10-08*

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

**Developer response:** 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

### 1/5 — The problem is that the verification code is not received. The program is not working 👎

*2025-05-27, version 2.5.1*

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

### 1/5 — No funciona

*2025-04-19, version 2.4.8*

Dos numeros contrate y dice error 999.  Deben arreglar o pedire reembolso

### 1/5 — Do not puchase!

*2025-03-05*

The phone number is not working. Unreachable. You cannot call or send sms either even if you buy credits!

**Developer response:** 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:

### 1/5 — Não recomendo

*2024-11-17*

além de pagar pelo número, tem que comprar créditos caros.

### 1/5 — Scammers

*2024-10-16*

Don’t try this app please! Fake numbers!

### 1/5 — Ratasssss

*2024-06-17*

No hacen válida la prueba gratis, son unas rayas, no lo usen

### 1/5 — Scammers and not working numbers

*2024-02-10*

They are scammers, so I did but number from them and they asked me to pay but credits to receive texts and calls. So you will pay two times, and you will pay more than 5$ . Stay away and go another cheaper apps . Be careful guys

## Most praised reviews (10 highest-rated)

### 5/5 — Jabnm

*2024-10-30, version 2.4.8*

Jabnm

### 5/5 — Nydara

*2024-10-16, version 2.4.8*

Allen

### 5/5 — Phone calls

*2024-09-16*

Love my man

### 5/5 — 啊

*2024-08-13, version 2.4.4*

用着挺不错的

### 5/5 — Jabnm

*2024-07-28*

Jabnm

### 5/5 — Cool

*2024-06-19*

A 3

### 5/5 — se

*2024-04-06*

Sup

### 5/5 — Awesome just not ads.

*2024-02-02*

Ok

### 5/5 — Nice work

*2023-12-18*

Update now

### 5/5 — Very good and nice. I really enjoy the app

*2023-11-19*

I love it

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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 2026-09-05.*