Mobile app

In my Android phone, I have a long list of contacts who use Whatsapp messaging. Using Whatsapp's original app, I am restricted to a broadcast limit of 25 contacts each time, not to mention having to select each contact manually. My customer contacts are quite a few thousands. This app which I require will have to be able to:

1) read contacts in my contact address book and load/show only those who are also using Whatsapp program. A (multi select and select all) for those contacts who are found to be using Whatsapp. A text box to enter message (and if possible to attach files). A (send button) to finally send/broadcast the message to all the selected contacts in batches of 25 to be within the broadcast limit of Whatsapp. The messages will make use of Whatsapp's service. It can be a standalone program or a program that interface with Whatsapp's mobile apk to achieve this batch sending. I will prefer it to be apk so that I can install into my phone rather than web version, but as long as my goal is achieved, either is fine.

Alternatively, it can be a website where I upload my phone numbers in CSV file and they get pushed to whatsapp server to be sent out.

Do send me a video or screenshots of your proof of work in this field as I had been conned by a very dishonest freelancer who claimed he could do this, took my money and gave me nothing. I will NOT send any money until I see proof of work. Balance payments will only be released according to [url removed, login to view]'s rules, ie upon successful completion and satisfaction of product. Bid only if you can produce and comply with these requirements.

Skills: Android, Blackberry, iPhone, jQuery / Prototype, Mobile App Development

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About the Employer:
( 0 reviews ) Bangalore, India

Project ID: #4415973

7 freelancers are bidding on average ₹139043 for this job


Hello. For your concern we've developed 200+ Apps for Android, iOS, BlackBerry and Windows Phone so far. Please check your PMB to get some of our recently developed Apps. Thanks.

₹157500 INR in 30 days
(43 Reviews)

Hello Respected Client, I have Read your requirements and we are very experience in this concept. Please check Message Board for more details. Thank you !

₹90000 INR in 20 days
(4 Reviews)

sir we have read your requirement and got it we can implement this system with high quality on time please see pm

₹112500 INR in 3 days
(2 Reviews)

Please check your PMB for more intimation. Thanks

₹130000 INR in 25 days
(0 Reviews)

Hello Amit, We can build an app similar to whatsapp with the additional functionalities. Please check your private message for a detailed proposal. Thanks Soyal

₹112500 INR in 3 days
(0 Reviews)

We are an officially registered company called Crimson Coders and we are a group of Harvard computer science students who develop world class apps and websites. We have a team of more than 10 developers ready to work f More

₹113300 INR in 13 days
(0 Reviews)

Dear Sir, Greetings! We are WeExcel Technologies Pvt. Ltd with 5 years of experience under our belt. We are really interested to work on your project. Please see PM. Thank you. Regards, WeExcel.

₹257500 INR in 50 days
(0 Reviews)

It's an easy task for [url removed, login to view] have gone through your requirements and we are ready to start the work immediately on your project. Please see the attached list of company's projects. Also please check the PMB.Thanks.

₹122500 INR in 30 days
(0 Reviews)