Write an iPhone & Android application

$3000-5000 USD

Closed

Posted

almost 7 years ago

$3000-5000 USD

Paid on delivery

1. iPhone and Android application development is required 2. Project period is July 13~August 20. You must keep a project deadline, which is August 20th. 3. Requirements <Pages or functions> - Implement bi-directional communication between gas detector and smartphone using Bluetooth - Display real-time gas concentration, temperature, power, status, etc. - Transmit gas concentration, temperature, power, and status from gas detector to server. - Smartphone alarm (alert window, sound, vibration, or flash) when receiving dangerous situation from gas detector - Correction of gas concentration of gas detector using temperature information received from gas detector - Send a text message to a designated contact upon receipt of a hazardous situation from the gas detector - Obtain SMS read permission to generate an alarm when a dangerous SMS is received (Android only) - Indicate the location of the person and the alarm (display the current location in conjunction with Google Maps or other maps) <Settings> - Setting the data reception period from the gas detector: Always / 1 minute / 5 minutes - Server save cycle setting: Always / 1 minute / 5 minutes - Set up a contact list to send a text message when a dangerous situation is detected from the gas detector Refer to the uploaded files which are the design sketch. Graphic page design will be given to you. Thank you

Android

iPhone

Mobile App Development

Project ID: 14537531

About the project

151 proposals

Remote project

Active 7 yrs ago

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151 freelancers are bidding on average $4,132 USD for this job

@HugeWave

-----------------Hello----------------- ***Let's built successful project together*** https://www.freelancer.com/u/HugeWave.html This is my freelancer.com profile and please check my profile .. As you see , I have good experience in this field.. I have developed lots of mobile apps and website , game etc.. So I think we can discuss about your project in detial .. Please contact me and let's discuss about your project together.. I will provide wonderful project and qualitied code , also after complete I will provide full service and do my best for you. If you contact with me and work together , then you will see talented programmer .. :) Let's built Business ship together. Regards Lee

$4,444 USD in 30 days

5.0

(112 reviews)

9.0

@jatindhoot

I have a team of ios and android developers. I have done hundreds of project on freelancer and all completed with 5 star rating by clients Relevant Skills and Experience 10 years of experience in app development Proposed Milestones $4210 USD - app development

$4,210 USD in 30 days

5.0

(148 reviews)

9.2

@EliteSolution8

Let's go together for your project. How are you today? I am a senior app developer who has 8 years experience in mobile and web development and am here working with my team. First of all, I 'd like to discuss more about the project to get better and correct understanding about the project, so feel free to send me message any time. During the development, I will be proactive, respect deadlines, ask to clear it if I have a question, responsive when you reach out to me and request feedback for my work to complete the project with your satisfaction. At the end of the project, I will make sure you're happy and satisfied. I am looking forward to hearing from you. Regards.

$4,000 USD in 30 days

5.0

(60 reviews)

8.9

@vasundhara19

Dear Sir, We are working on Web, iPhone, iPad and Android, We have the large team of that skills with a designer. We have checked your requirement and we are interested in working on it, would like to see wire-frame for more detail. We ensure to give the best quality work, please check one time our profile it shows our talent and experience. We already developed 500+ apps/games for Android & iOS. Application, Game and Website development is our strength. Basically speaking, we are the people who develop with passion!

$3,684 USD in 30 days

4.9

(129 reviews)

8.4

@zhandong0217

Dear, my client. Thank you for your job post. I have checked your project description in carefully then i have some questions about that. Please clear me about that, then i can start your project from now on even. I am a professional and hard-working mobile developer who has 5+ years experience. If you select me, I will promise following things: - Daily Updating about the project. - Will keep deadline and high quality delivery. - Responsive app store submission guidance. - Bug free warranty If you are still hesitating to select me, please check my profile and reviews and ratings. https://www.freelancer.com/u/zhandong0217.html Hope to work with you for a long term. Regards.

$4,210 USD in 30 days

5.0

(118 reviews)

8.5

@maysaxena

Hi there , ME AND MY TEAM IS READY TO START YOUR WORK RIGHT NOW AND COMPLETE YOUR WORK WITH TIME LINE WITH A QUALITY WORK HAVE A LOOK ON MY REVIEW Relevant Skills and Experience I am capable to do this project. we are new on freelancer platform but we have 7+ year experience in IT Industry. We have already created more than 500+ Apps and around 2000+ websites so far . Proposed Milestones $3000 USD - work

$3,000 USD in 30 days

4.8

(441 reviews)

8.3

@tarunmehan

iPhone and Android application development Relevant Skills and Experience I have 5+ years experience in iOS and android applications development I am expert in Android Development, Core Java, OOPS, Eclipse,. Backend: SQlite, MYSQL, Parse, Paypal Integration. Proposed Milestones $4500 USD - iPhone and Android application Design and development Can you please list out the features that you want in your application?

$4,500 USD in 30 days

5.0

(63 reviews)

7.9

@Champian

I have an expertise in Android & iOS . Ping me to discuss further. Relevant Skills and Experience I m having 5+ years of experience in Mobile App Development. My skills are relevant to this job. Ping me. Proposed Milestones $4210 USD - Milestone

$4,210 USD in 30 days

5.0

(45 reviews)

7.6

@meet2amitvw

Let's discuss more about project to finalise the proper scope with estimated cost and time so ping me over the freelancer chat.....I will share some demo as well for recent works if you want to check. Relevant Skills and Experience i have skills for this kind of project as done many project like this but once i have proper scope detail i will share relevant demos/experience as well Proposed Milestones $4948 USD - For milestone tasks we need to discuss in freelancer message box

$4,948 USD in 45 days

5.0

(17 reviews)

7.4

@hemanshusondhi

Hi, Established in April 2006. 45+ team including 25 full time Mobile apps developers with diversified experience and growing. HTML5, Ionic, PhoneGap, IOS apps, Android apps, and Website development. Relevant Skills and Experience If you need an experienced team who offers *real English* communication, beautiful designs & optimized code, AND in time and within the budget, then we are the choice! Proposed Milestones $4000 USD - Default

$4,000 USD in 30 days

4.5

(70 reviews)

8.4

@HaomingLee

Hello. I can keep your deadline and I am very confident in the Bluetooth project. I will provide my previous work during interview. Hope to work with you. Please send me a message so that we can discuss more.

$4,444 USD in 30 days

4.9

(47 reviews)

7.4

@songblue

I already read your job post in carefully and understood your requirement well. I have good and full experiences on the web and android & ios app development for 8 years up. Relevant Skills and Experience HTML5, CSS3, PHP, Java, C/C++, C#, Node.js, Angular.js, Cordova, Phonegap, Wordpress, eCommerce and Codeigniter, Laravel, Xamarin, Ionic framework and CMS and rest APIs, MsSQL, MySQL Proposed Milestones $3888 USD - full

$3,888 USD in 30 days

4.9

(64 reviews)

7.4

@YouSheng

Dear Client, I've just read your job post and much interested in your project. I have been creating high quality and excellent iOS and Android apps for 6+ years using Swift, Objectiv-C, Java, Ionic2. I've developed several apps such as Dating, Shopping, Health/Fitness, Photo & Video sharing, Taxi Booking, Food delivery and etc. Question: 1: Do you have design files? 2: Do you have web apis for this project? I'm expert in Geo-location, GPS tracking, Payment gateway integration, and Social media integration such as Facebook, Twitter and so on. I have good experiences in Firebase, Twillio Api, QuickBlox, AWS and so on. I can also develop backend apis using PHP(Laravel, Codeigniter), NodeJS, Python, as well as web portal including admin panel. I've rich experiences to work with various 3rd-party services and APIs to integrate them into existing and new applications to extend required functionality. The important thing is that I'll work on your time zone for the good communication. If you choose me, you'll never be disappointed in me, and I'll do my best. I can provide daily update for the project status. Looking forward to hearing from you. Thanks

$3,000 USD in 30 days

4.6

(48 reviews)

7.7

@miteshpatel

I have strong experience in Android/iPhone app, also in wear app and strong in material design and responsive website. Give me chance to work for you. I will prove your decision right! Thank you. Relevant Skills and Experience Android, iPhone, Mobile Phone Proposed Milestones $500 USD - Initial $1500 USD - Design $1000 USD - Android $1444 USD - Final Additional Services Offered $1 USD - Free help to upload on store $1 USD - 2-3 month Free support

$4,444 USD in 30 days

4.9

(125 reviews)

7.2

@wmtech

--iPhone and Android Application— Hello, Thanks for detailed project requirements. We just been through the job description, where you need an Android and iOS application. I would like to review the requirements which you want: - Bi-Directional Communication between Gas Detector and Smartphone. - Show real-time gas concentration, temperature, power, status. - Transmit gas concentration, temperature, power, and status from the gas detector to the server. - Alarm when dangerous situation. - Send a text message to a designated contact upon receipt of a hazardous situation from the gas detector - SMS read permission to generate an alarm. - Indicate location of the person and the alarm with the map. - Settings. So the main feature of the apps are: - Google Map - SMS API - Alarm - Messaging ............................. Query: ------------ What will be the language of the application? Will you provide web services as well? Will you provide us SMS API? We are very confident to provide the similar functionality, we would like to discuss and then will provide you the featured document to freeze the need. Looking forward to discussing more. Best Regards, Ajit

$4,000 USD in 25 days

4.8

(18 reviews)

7.5

@C0RETECHIES

Hello, Believe you are doing well and had a great weekend. as per shared requirement. I have gone through it and we can do it better way, we have an expertise in mobile app and UX/UI. Relevant Skills and Experience 1- Swift and Android. 2- Firebase 3- PSD and UX/UI Proposed Milestones $4500 USD - Project Cost

$4,500 USD in 45 days

4.6

(41 reviews)

7.7

@esolzsales

Hello, We have read your project details and we are very much interested to work with you. If you want then we can have a 1-1 discussion on FL chat. kindly let us know. Relevant Skills and Experience We have the best developer and designer team of 220+ professionals, having more than 11+ years of experience in different expertise such as mobile application,php,wordpress,designing etc. Proposed Milestones $9766 USD - Undefined

$9,766 USD in 61 days

5.0

(12 reviews)

7.3

@techcristaglobal

We are experience developer for android and iphone and cross platform development. Relevant Skills and Experience Android Iphone XAMARIN Proposed Milestones $4444 USD - intro

$4,444 USD in 30 days

5.0

(28 reviews)

6.8

@arhamsoftltd

Hi, The project is to develop and Android and iPhone app based on the provided information and images. Relevant Skills and Experience We are one of the TOP IT companies at Freelancer. We have been developing mobile apps for the past few years and have great experience. Proposed Milestones $6315 USD - Mobile app development Please share complete details of the project. We will meet the timeline. Thank you Umer Ali

$6,315 USD in 45 days

4.9

(11 reviews)

7.1

@espsofttech

Hello Hope you are doing well. Above is the answer and we are ready to proceed ahead with your requirement so please let me know when we can discuss in detail. I had done some projects like this. Relevant Skills and Experience I had done some Android, iPhone, Mobile Phone app like this I have more than 15 +year experienced team of app developers who developed 1000+ app. I am really very interested. Thanks Nikita Proposed Milestones $4210 USD - we can negotiate

$4,210 USD in 30 days