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Silk Up

By Silknet

This app is only available on the App Store for iOS devices.


Silk Up is a user friendly Softphone from JSC Silknet that enables you to make calls over 3G/LTE or WiFi connection.
Silk Up can be used to make free calls to Silk Up and within Silknet network.
You can also make low rate calls to other mobile and landline networks throughout the world.
Simply download Silk Up from the App Store, sign up for free and start making free calls right away.


- Download Silk Up for free
- A free Silk Up number - +995 322 XXXXXX - will be assigned to you right after the registration and it can be viewed any time in Settings and in your Silk UP phonebook.
- Use free additional services like Call Waiting, Conference Calls with up to 10 participants, Call Forwarding and Hide Caller ID
- Multitasking Support for incoming calls when Silk Up is in background
- Hassle free balance top up using online payment systems

Important Notice:
Some mobile operators may prohibit the use of internet telephony over their mobile internet network. Additional data costs may apply using Silk Up for some mobile networks.

Visit us for updates and news:

What's New in Version 1.1.2

- Fixed Registration Issue on iPhone 4 and iPhone 4S

iPhone Screenshots

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Customer Reviews

Permanently crashes

The app crashes every time I try to perform a call. It used to be a great app, especially for frequent travelers. It reduced my roaming cost significantly. But now it does not even function.


error during outgoing call pleass help customers

app issues

feels app is not supported any more? it crashes a lot

Silk Up
View in iTunes
  • Free
  • Category: Social Networking
  • Updated:
  • Version: 1.1.2
  • Size: 18.6 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
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