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Историческую версию Telegram Checker можно получить на Android
Do you want to know how many of your friends have moved to Telegram?
Do you want to know how many of your friends have moved to Telegram from Whatsapp? With this application you could enter a phone number from any country and check if you it's registered with the Telegram application without registering or giving your telephone number to Telegram. You can also let the application search for you on all your contacts book.
This is not an official application. You can use this application first and see how many friends would you have if you register in Telegram now. When you see that you have enough friends, you can install the Telegram official application. Do not be the last of your friends in moving to Telegram.Check how many of your friends have already left whatsapp in minutes!
A fast internet connection is highly recommendable.