iPhone app prototype, vibration in background during the day

Dear Freelancers,

we need a simple iPhone app prototype developed, just for an internal testing phase.

The app is incredibly simple and it doesn't need to look nice. All it should be able to do is:

- once started, it should vibrate in random intervals.

- the intervals must be variables in minutes which we can set. so the only interface element we need is a X and Y value which we can set e.g. X= 5 minutes, Y=100 minutes, and then the phone vibrates once every 5-100 minutes.

- after every vibration, the random value is different, so there is no predictable cycle when the next vibration will happen.

- the cycles must continue without any user interaction = no clicking necessary)

- ideally the app would run in the background (maybe the vibration is possible via notifications?). if that's not possible, the app still has to continue triggering the vibrations when the screen is off, and doing that as power saving as possible. (a working example of something like this is the app "Sleep Cycle" which stays active over night an wakes you in the morning via vibration and/or sound)

- it would be nice to be able to chose between four vibration types: 5x very short ([url removed, login to view]), 3x short ([url removed, login to view]), 2x long ([url removed, login to view]), 1x very long (6s). that would be a second interface element needed. (vibration modi can differ according to iOS limitations)

We also want the source code and project file of the app delivered. We need it on one of our phones, we don't need it to be in the app store. OSX and xcode available.

Please let us know if you have previous experiences with apps running in the background and vibrations.



Please start your bid with the word "vibration" and include if you have previous experiences with vibrating apps running in the background.

Skills: iPhone, Mobile App Development, Objective C

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About the Employer:
( 3 reviews ) Coburg, Australia

Project ID: #4000639

8 freelancers are bidding on average $165 for this job


Hi, I have worked with iOS applications that had 'vibration' feature. Please see details in your InBox. Thank you.

$150 AUD in 5 days
(46 Reviews)

Hi, there. Can I help you?

$200 AUD in 2 days
(29 Reviews)

Hi there......please check PMB......Lets talk more about the project and get it started.................

$200 AUD in 2 days
(12 Reviews)

Hi, We have solution for you Please check PM

$120 AUD in 1 day
(2 Reviews)

Vibration. Hi I am at your service to your project. For any questions do not hesitate to contact me. Sebastien, TwiMix

$200 AUD in 2 days
(1 Review)

"vibration" This is a simple project and we can complete on the given time frame.

$100 AUD in 1 day
(3 Reviews)

Hi, I've read your job description and I'm very interested in the [url removed, login to view] can make the work perfect for [url removed, login to view] look at your PMB for more details. Regards!

$200 AUD in 10 days
(0 Reviews)

we will provide you complete Solution as per your need. For more detail please check our message where you can find our previous work too

$150 AUD in 2 days
(0 Reviews)

Hi youterrific, After going through your requirement, and checking the feasibility, we are interested in doing your project. We have lot of experience in app development and uploading to appstore. Regards!

$60 AUD in 10 days
(0 Reviews)