CRM package review and recommendation

Abstract:
We are working on a project recruiting candidates for care giver jobs in the UK... The candidates came very a wide variety of backgrounds. Some nurses others

Current System.

We are currently using Googlesheets / google forms to collect information on candidates and share the information with our clients,

Ideal System required.

1) A web-based system
2) Free or minimal payment to start off ( We will consider paying is there are no good free system)
3) Have fields to cover all if not most of the information we require from candidates
4) Able to let candidates upload information about themselves and upload documents
5) Send candidates emails to confirmation after they upload their documents
6) Give access to employers to see access candidates list depending on rights issued to them by our admin
7) Have various user rights as above and candidates can only see their own information
8) An accounting model for payments / registration for both candidates and employers
9) Be able to generate reports
10) Work well on mobile devices, android and iPhone
11) Please, use your expertise to update .. we don't know what we don't know

We are taking quotes for the project..

We will decide on the best candidates depending on experience with CRMs in the recruitment sector
We are open on the budget for this project for the right candidate.

Out come..

12) List of options and Pros and Cons