# T-Mobile MultiLine

> Adds a second company-managed number to a personal BYOD mobile phone. (iPhone/iPad app by T-Mobile.)

- Source: https://appshunter.io/ios/app/t-mobile-multiline/id1218949474 (this page in markdown: same URL + `.md`)
- Developer: [T-Mobile](https://appshunter.io/developer/525560781)
- Category: Business
- Price: Free
- Rating: 3.30/5 from 39 App Store ratings · 12 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 131 MB
- Languages: American English, Canadian French, European Portuguese, European Spanish
- Released: 2017-08-30
- Data updated: 2026-08-27
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/t-mobile-multiline/id1218949474/reviews.md

## What is T?

T-Mobile MultiLine makes is easy to add a second company managed number to a personal BYOD mobile phone.  Employees can now carry one phone while keeping their work and personal number completely separate.  The solution gives employees a distinct phone number for their work voice calls, text messaging and voicemail while maintaining their personal phone number.  The T-Mobile MultiLine app is simple to use and works over any domestic carrier network.  T-Mobile MultiLine also provides granular insights and analytics into work related productivity.  Activation of the T-Mobile MultiLine service is required.

## Key features

- Separate work and personal numbers
- Dedicated line for calls, texts, voicemail
- Works over any domestic carrier network
- Provides productivity insights and analytics
- Simple to use

## Recent user reviews (10 of 12)

All indexed reviews: https://appshunter.io/ios/app/t-mobile-multiline/id1218949474/reviews.md

### 3/5 — Works ok, but simple improvements could make it better

*2025-02-25*

I do like the convenience of only carrying one phone. The call quality is good and the texting feature works well. 

Why not a higher score? The first thing that I’m certain annoys everyone: stop asking me about my call experience every time I make a call. I don’t need the extra notification constantly. Occasionally is fine, but every call is so tedious. 

I would like to be able to review texts or see the number that called while I’m on the line. You can’t navigate through the app while on a call.

### 1/5 — User

*2024-11-27*

I haven’t been able to open the app in several weeks. The app starts to open and then goes black. Thankfully I can still make calls from my cellphone app.

### 4/5 — Nov 13

*2024-11-13*

2023

### 1/5 — Very stressed

*2024-02-28*

Jenn Neubeck has hacked into my T-Mobile account for over two years and nothing has been done. Fraud has been working on it since September and haven't heard anything from them. She has opened digits in my name using me and my sons phones listens to our conversations and tracks me. Stole money opened accounts in my name and spread my name and personal information all over the dark web. I've been a customer of 23 years and never been treated so bad and had my privacy and identity taken away

### 2/5 — No Survey!

*2022-11-17*

There is a really annoying banner that appears after every single phone call asking for feedback about call quality. I HAVE ZERO DESIRE TO TAKE A FREAKIN SURVEY AFTER EVERY PHONE CALL. GET RID OF IT!

### 5/5 — Pretty cool / respects privacy

*2022-11-11*

I can hear what my clients are saying and that’s enough for me. 

My company explained that it doesn’t see anything outside of the app and only looks at activity on the app, so I feel a lot better about using it.

### 5/5 — Love this app!

*2022-09-21*

Looks and works just like my iPhone!

### 1/5 — Glitching and won’t open!

*2022-05-03*

Since last update my app is glitching and won’t even open! Useless

### 1/5 — So slow and so frustrating

*2020-11-11*

This app has been slow the entire two years I‘ve been using it for work. It now takes several minutes for me to send a text message and the app crashes and won’t load and is generally barely functional. If I didn’t have to use it for work I would delete this app from my life and never look back.

### 1/5 — Sprint get a clue

*2019-06-08*

I’ve tried a couple of times to get this. Sprint doesn’t have a clue as to how to do it. I’ve also found that no one in the company/stores even know they have, offer it, or how it works according to the things online. I’ve called the Tech department twice and have been hung up on. It sounds like a nice thing for someone that has both a personal phone and business phone, and doesn’t want to carry both phones with them. I guess I’m going to have to look at other options with other carriers. Its a shame that Sprint doesn’t know what they are selling.

## Frequently asked questions about T

### How does T-Mobile MultiLine keep work and personal numbers separate?

T-Mobile MultiLine provides a distinct phone number for your work voice calls, text messaging, and voicemail. This ensures that all work-related communications are managed through the app, maintaining the separation from your personal number.

### Can I use T-Mobile MultiLine on any phone carrier network?

Yes, the T-Mobile MultiLine app is designed to work over any domestic carrier network, offering flexibility for employees regardless of their personal mobile provider.

### What kind of insights does T-Mobile MultiLine offer?

The service provides granular insights and analytics specifically focused on work-related productivity. This helps businesses understand and manage employee communication patterns.

### Is T-Mobile MultiLine free to use?

The T-Mobile MultiLine app is available for free download. However, activation of the T-Mobile MultiLine service is required, which may involve associated costs from T-Mobile.

### What devices support T-Mobile MultiLine?

T-Mobile MultiLine supports both iPhone and iPad devices. The app is designed for mobile use on these Apple platforms.

### How often is T-Mobile MultiLine updated?

The latest version of T-Mobile MultiLine is 4.14.01, last updated on March 5, 2026. Updates are released to improve functionality and reliability.

### What is the user rating for T-Mobile MultiLine?

T-Mobile MultiLine has a rating of 3.3 stars based on 39 ratings. This indicates a mixed user reception.

### Does T-Mobile MultiLine have ads?

No, T-Mobile MultiLine does not contain advertisements. The app is ad-free, allowing for an uninterrupted user experience.

## Version history (last 5 releases)

### 4.14.02 — 2026-08-22

fix for tablet MultiLine dialing.

### 4.14.01 — 2026-03-05

AMR-WB Codec Support
Satellite messaging

### 4.05.01 — 2025-03-06

eEnhanced Number Formatting for better user experience for calls and messages.
Introducing Call Log Sync after Re-Onboarding.
General Bug Fixes and Performance Improvements.

### 4.02.01 — 2024-09-18

Teams' Voice notification Support .

### 4.01.04.04 — 2024-04-04

This release incudes visual design updates that make the app experience more productive and intuitive, including:
- Multiple UI updates to provide a consistent experience across all app functionality
- A new voicemail tab allowing direct access to voicemails
- An updated Settings screen to make it easier to manage your MultiLine experience
- Call Log Sync

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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 2026-08-27.*