+ Impressive feature list
+ Ability to contact prospects across multiple channels
+ Great API
- Pricing, can be seen more expensive
- No lead scoring
- No social media integration
Close is build by and for Sales People, this means they have done everything to make sure you stay on top of your pipeline and increase your revenue.
Close offers a lot of great content for free you can use wether you are going to use their software or not. See here their free Startup Sales Recource Bundle.
If you would compare close.io in a first instance to other CRM's they would be more expensive. However it is good to know that there are no hidden costs, the platform offers a lot of features and you should be able to generate extra-revenue per user than what you pay extra.
Close.io is build to make it usage as easy as possible for the sales person.