このアプリは2019年10月31日をもってサービスを終了しました。

Influential YouTubersHandpicked by the Callmart editorial desk

We are ecstatic to tell you all about the cool things Astrum is doing to make amazing YouTube content.

Astrum

Subscribers220,869

Total Views20,304,235

View YouTube

Channel Description

How big is the Solar System? What actually orbits our Sun? Why should I even be interested in space? On this channel, we'll answer these and a whole host of other questions. We will have a series dedicated to each of our planets and showcase beautiful images and videos captured by probes and spacecraft of our amazing Solar System. Subscribe and join us on this journey of discovery!

From the YouTube channel’s "about" page.

Comments by Callmart:

・Astrum has brought a deftness to video editing that can be hard to find even in our database of over 2000 quality content creators.

・It's rare to see channels that can consistently produce content as enjoyable to watch as Astrum.

Callmart's Color Choice

The color that our editorial team chose for
Astrum is... Magenta

Magenta is a Pink color,
which means this YouTuber is...Approachable

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Selected by the Callmart editorial department
Created by Astrum

A New Way to Communicate with YouTubers

Problem:

Up until now, subscribers were limited to interacting with YouTubers via comments and messaging.

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Can sell: 22 Countries
Can buy: 155 Countries

From conversations with your followers to consultations with your clients, Callmart enables you to make money by connecting online with people worldwide.

Callmart with Astrum

Life with Callmart

A day in the life of a Callmart user:

Seller

Wants to use free time to make extra money.

Buyer

Wants to speak to someone from home.

I want to offer my services and/or knowledge to people all over the world!
Create a listing
Share on social media
I want to speak to people who offer the services I'm looking for!
Access services at your own convenience
Take calls when YOU want
Provide a service Receive a service
Pay by credit card
Manage earnings in-app
Transfer earnings to your bank account
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I was able to turn all my free time into making money conveniently!

3 month $0 campaign

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How to use Callmart

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