# 1-Talk

> SIP termination service for making and receiving VoIP calls on mobile devices. (iPhone/iPad app by PortSIP Solutions, Inc..)

- Source: https://appshunter.io/ios/app/1-talk/id639536802 (this page in markdown: same URL + `.md`)
- Developer: [PortSIP Solutions, Inc.](https://appshunter.io/developer/426903821)
- Category: Social Networking, Utilities
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 6.0 · 23 MB
- Languages: Russian, American English
- Released: 2013-04-30
- Data updated: 2026-08-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/1-talk/id639536802/reviews.md

## What is 1?

1-Talk voice service 
is the leading SIP termination service 
for iPhone, iPad and iPod Touch.

Set it up and start making cheap calls 
over WiFi or 3G from your mobile device.

You can also receive VoIP incoming calls 
anywhere using out Push Notifications service 
or iOS background mode.

© 2010-2014 Webcorp Solutions L.P.
http://1-talk.com

## Key features

- Affordable international calls
- Wi-Fi and 3G calling
- Receive VoIP calls
- Push notifications for incoming calls
- iOS background mode support


## Frequently asked questions about 1

### How does 1-Talk help me save money on calls?

1-Talk functions as a SIP termination service, allowing you to make calls over Wi-Fi or 3G networks. This bypasses traditional carrier rates, making international calls significantly cheaper.

### Can I receive calls on 1-Talk when the app is closed?

Yes, 1-Talk supports receiving VoIP incoming calls anywhere using its Push Notifications service or iOS background mode, ensuring you don't miss important calls.

### What devices are compatible with 1-Talk?

1-Talk is designed for iPhone, iPad, and iPod Touch devices. It is compatible with the latest version 4.0.

### Is 1-Talk free to use?

Yes, 1-Talk is available for free. The app itself does not have a cost, and it is designed to offer cheaper call rates.

### Does 1-Talk have ads?

No, 1-Talk does not contain advertisements. The app is free and ad-free, focusing on providing a clear communication service.

### How often is 1-Talk updated?

The latest version of 1-Talk, version 4.0, was released on November 26, 2014. While the last update was in 2014, the app is known for its stability.

### What is the age rating for 1-Talk?

1-Talk has an age rating of 4+, making it suitable for a wide range of users. This rating indicates it contains no mature content.

### What is the user sentiment for 1-Talk?

Based on the available data, 1-Talk has a perfect rating of 5.0 stars from 1 rating, suggesting a highly positive initial user experience.

## Version history (last 4 releases)

### 4.0 — 2014-11-26

This app has been updated by Apple to display the Apple Watch app icon.

1.Built base on PortSIP VoIP SDK v11.2
2.iOS 8 Support.
3.Other fixes and improvements.

### 3.0 — 2013-10-07

1.Update iOS7 UI.
2.Added SRTP support.
3.Fixed some BUG.

### 2.5 — 2013-05-21

1.Add Sign Up
2.Fixed some BUG.

### 2.4 — 2013-04-30

No release notes.

## Apps similar to 1

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [OneTalk - OneTimeConversation](https://appshunter.io/ios/app/onetalk-onetimeconversation/id1660444348) | 5.0 (1) | Free | Social Networking |
| [TeleMe – Record on 2nd Number](https://appshunter.io/ios/app/teleme-record-on-2nd-number/id860597818) | 4.6 (481) | Free | Social Networking |
| [SessionTalk SIP Softphone](https://appshunter.io/ios/app/sessiontalk-sip-softphone/id362501443) | 4.5 (998) | Free | Social Networking |
| [MobileVOIP international calls](https://appshunter.io/ios/app/mobilevoip-international-calls/id362528311) | 4.6 (16,404) | Free | Social Networking |
| [iTel Mobile Dialer.](https://appshunter.io/ios/app/itel-mobile-dialer/id445338527) | 3.6 (338) | Free | Social Networking |
| [Linphone](https://appshunter.io/ios/app/linphone/id360065638) | 2.6 (8) | Free | Social Networking |

## More apps by PortSIP Solutions, Inc.

- [PortSIP UC](https://appshunter.io/ios/app/portsip-uc/id426903818)
- [IPTalker](https://appshunter.io/ios/app/iptalker/id666238043)
- [VOM](https://appshunter.io/ios/app/vom/id1273960465)
- [WIFI-TV](https://appshunter.io/ios/app/wifi-tv/id1274348695)
- [Mondex Phone](https://appshunter.io/ios/app/mondex-phone/id1464834278)

All apps by PortSIP Solutions, Inc.: https://appshunter.io/developer/426903821

## Related topics

[one talk](https://appshunter.io/ios/topics/one-talk)

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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 2026-08-20.*