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Attachment shows project specs in the form of an answer to a question to an AI. The app would make calls from my personal Android phone. Provider is Mint. App would be for personal use, to be installed on my phone, not for Play Store. Need quick turnaround. Flat fee requested; any bug fixes hourly.
Project ID: 40711962
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Active 3 days ago
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226 freelancers are bidding on average $457 USD for this job

Hi sir, I read your project description .I can do your project & able to run successfully. I have 8+ years experience for website & mobile application development also done over 400+ project by a good team members . It will be very much pleasure for me, if you give me the opportunity to do your job for minimum cost. Thanks for your consideration . Thanks with Regards Prosanto
$200 USD in 7 days
8.0
8.0

Hello, System understanding: You need a private Android dialer that uses your Mint carrier, works offline after sideload, and handles call initiation, permissions, and basic logging without Play Store. Technical approach: Native Kotlin, minimal Activity with CALL_PHONE intent, runtime permissions, optional contacts, local SQLite log. UI with Jetpack Compose. Core modules: Dial pad UI, Permission handler, Call executor (Intent.ACTION_CALL), Local logger, Settings for Mint. Relevant systems: Android Call Management Software (Project 43) - custom dialer with FreeSWITCH integration. Encrypted Chat Suite (Project 42) shows native telecom handling. Implementation strategy: Day 1‑2: dial pad + call button + permissions. Day 3‑4: call logging & settings. Day 5: device test, sideload APK, bug‑fix prep. Questions: 1. Store call logs locally or use Android's built‑in call log? 2. Need UI tweaks beyond a simple dialer (dark mode, branding)? 3. Preferred APK install method - direct download, email, or MDM? Regards, Rohit
$30 USD in 5 days
8.1
8.1

Hi, I can review the attached specification and build the Android application for direct installation on your personal phone. I have five years of AOSP development experience and a strong understanding of Android’s telephony stack, permissions, background-execution limits, activity lifecycle, and device-specific behavior. Before confirming the fixed fee, I’ll verify the requested calling workflow against your exact Android version, phone model, Mint service, and whether the app must initiate calls automatically or prepare them for user confirmation. My approach will be: - Review the complete specification and identify any Android restrictions - Build a focused native Android app with only the required features - Handle permissions and call states safely - Add clear status messages, logging, and failure recovery - Test installation and calling behavior on the target Android version - Deliver the APK, source code, and brief installation instructions - Assist with initial setup and verification on your phone Because this is a private APK rather than a Play Store release, deployment will be straightforward, although Android’s security restrictions still need to be respected. The app will be designed only for authorized personal use and compliant calling activity. I can prioritize a quick turnaround and provide a firm flat-fee quote immediately after reviewing the attachment. Any later changes or unrelated bug fixes can be handled hourly as requested. Best regards, Jijo
$80 USD in 7 days
7.3
7.3

Hi, I reviewed the project and understand that you need a personal Android app installed directly on your phone to make calls through Mint, without publishing it to the Play Store. I can handle the Mobile App Development and Android App Development using the specifications in your attached Specs.docx. The App Development will focus on the required calling workflow, direct installation on your device, and a quick turnaround, with the implementation aligned to your personal-use requirements. I’ll keep the work clean, responsive, and easy to manage, then address any agreed bug fixes hourly after delivery. Let’s discuss here now.
$150 USD in 7 days
7.1
7.1

Hello there, Hope you are doing well I’d be glad to build your personal Android application according to the attached project specifications, with the app designed specifically for installation and use on your personal Android phone rather than Google Play Store distribution. I understand the app needs to make calls directly from your Android device using your Mint Mobile service, so I’ll focus on reliable Android telephony integration, a simple user experience, and a quick turnaround. What I’ll Deliver Native Android app using Kotlin Implementation of the functionality described in your specifications Android phone/call integration using appropriate system APIs Clean and simple UI focused on personal use Required permissions and proper Android lifecycle handling Testing directly on a physical Android device Signed APK ready for direct installation Source code in a Git repository Setup/build instructions for future maintenance Since this is not intended for the Play Store, I can optimize the implementation around your specific device and personal workflow rather than adding unnecessary Play Store requirements. Thanks & Regards Dheeraj K.
$150 USD in 5 days
7.0
7.0

Hello, We can build your Android app specifically for personal use, with the required calling functionality working directly on your Android phone and without Play Store deployment. At Doomshell Software Pvt. Ltd., we develop native Android applications with a focus on reliable device functionality, clean implementation, testing and quick turnaround. Our Approach • Native Android development using Kotlin/Android SDK • Implement the required phone-call functionality • Handle Android permissions and device compatibility • Build and test directly for your target device • Generate a signed APK for private installation • Quick bug fixes and post-delivery support Deliverables • Complete Android application • Calling functionality and required permissions • Tested APK for direct installation • Source code and build configuration • Basic setup/documentation We’ll review the attached specification carefully and provide a fixed-price quote based on the exact scope. We can prioritize a quick turnaround and keep the implementation focused on your personal-use requirements. Let’s have a quick 10–15 minute call to review the specs and get started.
$160 USD in 7 days
6.3
6.3

Hello I will be able to help you. Please message me so that we will have detail technical discussion. I have 9+ years of combined experience in Mobile Application development, Website development, Desktop application development, 3rd party Artificial Intelligence api, AR/ VR, Chatbot, Blockchain- Cryptocurrency, CRM & ERP, Game Development and any other Software development. I am having expertise in Native on Android Java, Kotlin and IOS Swift, and For Hybrid Cross platform on Flutter Dart & React- Native and for web and backend on react js and node js, Python Django. Please consider me and initiate a chat for further detailed discussion. Regards, Anju
$400 USD in 15 days
6.6
6.6

Hello, I will develop your MOBILE APPLICATION for Android platform with Web admin panel. I am Tulsiram. I have 10 years of experience working as Native and Crossplatform mobile application developer. I am understood your requirements. I am glad if we are working together. If you interested then let's connect. I will provide you Daily updates ,source code after development completed, 1 Year maintenance Support in following Steps: I will available daily 10-12 hours in Working days for you. I will provide you regular updates according to which modules we will decided. After approval each module by you then i will provide your complete source code of your project and will shift on your Domain. Thanks
$100 USD in 8 days
6.6
6.6

Hello, I read through the Python workflow and your Android requirements carefully. Yes, I can build this in Kotlin and keep the same workflow, with CSV import, row selection, {name} personalization, scheduling and live status. The main part I would handle carefully is background scheduling. Android can delay background tasks because of Doze/battery restrictions, the phone can restart, the SIM/network can be unavailable, or an SMS can fail. I would build proper persistence, retry handling and duplicate protection around this rather than just converting the Python code directly. I can also add send/failure tracking, campaign history, CSV export and proper validation. Since this will be a private APK and does not need Play Store publishing, the SMS side is quite practical. Let's connect to get started Thanks Sagar
$250 USD in 7 days
6.6
6.6

Hi there, This sounds like a focused Android utility rather than a public-facing app, which simplifies distribution but makes device-level calling behavior the important part. I’ve worked with mobile applications and backend/API integrations where reliable state handling and real-device testing matter. I’d start by reviewing the attached call-flow specification, then validate what Android permits for initiating and managing calls through the phone’s normal Mint cellular service. I’d build the smallest working flow first and test it directly on the target Android version before completing the remaining behavior. The main technical risk is Android’s restrictions around automated calling and background actions, which vary by OS version and granted permissions. What Android phone model and OS version will the app run on? Does the workflow require fully automatic dialing, or will any user confirmation/intervention during each call be acceptable? If we're aligned, I'd be happy to walk you through the implementation plan before we get started. Best regards
$150 USD in 3 days
6.1
6.1

★★★ ANDROID APP SPECIALIST ★★★ Hi, I can develop a personal Android application using Java and Android SDK to facilitate calls through your Mint provider. The app will be designed for personal use and will not be published on the Play Store. I will implement the necessary permissions for call handling and integrate the Mint API to manage call functionalities. The app will include a user-friendly interface that allows you to initiate and manage calls directly from your phone. I will ensure that the app adheres to Android's security protocols and will test it thoroughly to ensure all functionalities work as intended. To get started, I will need access to your Mint account for API integration and any specific features you want included in the app. Thanks!
$30 USD in 3 days
5.9
5.9

Hello, As an experienced developer with over a decade in the industry, I have garnered the necessary skills and expertise essential for this project. I specialize in not just mobile app development using Android but all factors that comes with it like coding languages which include Python and PHP, API integrations that might be needed for your project among others. I have created numerous efficient, secure, and user-friendly android applications similar to what you need for both individual uses as well as those required for enterprise purposes. What sets me apart is my keen eye for detail combined with effective problem-solving abilities. I understand your need for a quick turnaround and assure you that will not compromise the quality of my work. Having partnered with companies like yours in the past, I comprehend the value of personalization and can ensure all your specifications are catered to. In conclusion, my skills range from WordPress to Chrome Extensions, REST APIs among others attest to my ability in providing comprehensive solutions to a wide breadth of tech-related difficulties like the one you are presenting here. Upholding transparent and regular communication is also one of my strong points which will be crucial throughout this project. Let's begin this journey together and build a customized, functional, and reliable app tailored perfectly to your needs. Thanks!
$130 USD in 2 days
6.2
6.2

Hello, I hope you are doing well. I have thoroughly reviewed the project specifications provided in the attachment, detailing the functionality required for the Android app to make calls from your personal Android device with Mint as the service provider. I understand that the app is intended for personal use and will not be published on the Play Store. My approach involves structured requirement confirmation, controlled planning, clean implementation, rigorous testing, and milestone-based transparency to ensure the project's success. With a strong background in Mobile App Development, Android SDK, and Android Studio, I am confident in delivering reliable execution and long-term results. You can view my portfolio here: ⭐⭐ https://www.freelancer.com/u/CodeAnchors ⭐⭐ To better understand your priorities, could you please share more details about your primary goal with this app? I invite you to open a chat so we can finalize the scope smoothly. Best regards, Muhammad Anas Khan
$90 USD in 4 days
5.8
5.8

Hello there I can develop the Android application specifically for personal use and direct installation on your phone without requiring Play Store publication. I will review the provided specifications carefully and ensure the app works correctly with your Mint mobile service and Android telephony capabilities. The development will remain focused on the required functionality to achieve a fast and reliable delivery. I will provide a testable build for your device and ensure the core features work as specified. Any post-delivery bug fixes can be handled separately on an hourly basis as requested. Could you please confirm the Android version and device model you will be using for testing? Portfolio: https://www.freelancer.pk/u/zainalitariq245 Best Regards Zain Ali.
$150 USD in 14 days
6.5
6.5

I reviewed the attached specification and can build this as a private, sideloaded Android app for your personal phone. I’m a senior Android engineer with 9+ years of experience working with Kotlin, Android system APIs, background scheduling, permissions, local files, and device-level functionality. I’m also currently working on an AOSP-based OS, so Android behavior beyond the normal UI layer is familiar territory. The flow you described is straightforward: import CSV → choose recipient range → personalize with {name} → schedule messages across the selected time window → send through the device SIM/Mint service → track success/failure in the app. I’d build it natively in Kotlin, keep everything on-device, and make the scheduling resilient to Doze/background restrictions on modern Android versions. Since this is for personal use and not Play Store distribution, we can also keep the implementation focused without store-policy overhead. I’m comfortable with a fixed fee for the agreed scope, quick turnaround, and hourly billing only for any later bug fixes or changes. I can start immediately.
$150 USD in 2 days
5.6
5.6

Hello Sir, I have already worked on similar types of website and software development projects and I am confident that I can successfully handle your project. I am a full-time freelancer with **17+ years of experience** in web development, software development, automation, and API integrations. My expertise includes: * Android app development * ASP.NET C# web and software development * Python automation and web scraping (Amazon, Instagram, Facebook, Google Maps, LinkedIn, Telegram, and other custom scraping solutions) * JavaScript, jQuery, AJAX, Bootstrap, HTML5 * Microsoft SQL Server database development * Payment gateway integration * SMS, Email, Banking, Financial, and Insurance API integration * Custom automation bots and workflow automation software I focus on delivering **high-quality, scalable, and reliable solutions** with clean code and long-term support. Please contact me in private chat so we can discuss your requirements in detail. I can also show you a **demo of similar projects** I have completed. Looking forward to working with you. Thanks & Regards
$30 USD in 1 day
5.6
5.6

Hi mate, Building a personal Android calling app based on the provided AI-generated project specifications sounds straightforward, especially since it is intended for private use on your own Mint mobile connection rather than Play Store distribution. I’d be happy to help with the quick turnaround. Questions: 1. Does the attachment contain the complete technical specifications and required calling features? 2. Do you already have any existing code, or should the app be developed from scratch? Proposed Solution & Approach: I recommend developing a lightweight Android application tailored specifically to your personal phone and Mint connection. I’ll review the provided specifications, implement the required calling functionality, configure the necessary Android permissions and phone integration, and ensure the app works reliably on your device. About Me: I'm Tejash J, a developer with 10+ years of experience building mobile and web applications. I specialize in React Native, Node.js, and custom application development, with a strong focus on reliable integrations and practical solutions. Our relevant work includes: appassio.com- React Faces Consent iOS App- React Native, Node Timeline & Budget: Once I review the complete specifications, I’ll provide a fixed flat-fee estimate and quick turnaround. Any post-delivery bug fixes can be handled hourly as requested. Let’s build something great together. Best regards, Tejash J
$140 USD in 7 days
5.8
5.8

Hello, I’ve reviewed your requirements and can build the Android app for personal use and install it directly on your device without Play Store publishing. I have over 9 years of experience with Android development, phone features, APIs, and device-level integrations. I can review the attached specifications, implement the required calling functionality for your Mint mobile service, and provide a testable APK with quick turnaround. I’ll keep the app focused on your personal requirements and handle testing before delivery. Thanks, InvokeTech
$300 USD in 6 days
5.7
5.7

Hi, I can build a private Android app for your personal phone on Mint and deliver an installable APK with source code and setup instructions. I reviewed the attachment. The scope includes CSV import, recipient range selection, personalized SMS templates, randomized scheduling, sending status, and CSV log export. I’ll test sending and background behavior on your phone early to confirm compatibility. One clarification: your message mentions making calls, while the attachment describes sending SMS. Do you need texts, voice calls, or both? For the SMS scope, my estimated turnaround is 5–7 working days after confirming requirements. I’m comfortable with a fixed project fee and hourly billing for post-delivery bug fixes, as requested. Please share your phone model, Android version, expected daily message volume, and the original Python script so I can confirm the flat quote. Best, Aminesh
$30 USD in 7 days
6.1
6.1

Hi, Building a personal Android app outside the Play Store typically focuses on streamlined functionality and secure deployment to your device. The main technical risk is ensuring reliable installation and updates without the Play Store’s infrastructure. While my core expertise is backend AI and system architecture, I understand the importance of designing modular, maintainable apps even in constrained environments. I’d separate the app’s core logic from any backend integration to keep the system flexible and testable, and validate early the installation and permission flows on your device. For reliability, I’d recommend implementing clear error handling and update mechanisms to avoid manual reinstallations and ensure smooth personal use. I can start by outlining the app’s architecture and integration points based on your feature set and usage patterns. Clifton
$300 USD in 5 days
5.6
5.6

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