Viber also offers business solutions for enterprises that want to use Viber for commercial purposes. Using Viber to call actual landline and mobile numbers cost less than $1 a minute in most countries, making it one of the most inexpensive messaging app for phone calls. Rates vary per country. Installing and using Viber to contact other Viber users via desktop, laptop and smartphone is absolutely free. Fully installed Office applications on PC/Mac.Office 365 Business Premium: $12.50 user/month Office 365 Business Essentials: $5.00 user/month Enterprise-level technical phone support.Presence and IM during and outside of meetings.Group HD video and audio calling for up to 250 people.

Join on any device-PC/Mac, tablet, or phone.Online Plan 2 (Skype for Business online meetings): $5.50 user/month Premium plans are also offered with more advanced features. Secure communication lines via strong authentication and encryption.With one simple platform, Skype for Business offers the following features: Skype is a free communications app but for those who want to fully maximize its potential and use it to improve productivity and drive revenue up, there is an enterprise pricing package for business communication that costs only $2 per user per month.

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