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I want to launch a lightweight Android app that helps teenagers sharpen their calculation speed. The core of the project is a bank of 500 multiple-choice questions covering mixed operations—addition, subtraction, multiplication, and division , square, cube , percentage all shuffled together. There will be also a payment [login to view URL] speed math tricks. Here is what I need delivered: • A clean, tap-friendly Android interface that feels engaging to teens. • All 500 questions stored locally so the app works offline. • Randomised order and answer shuffling each session to keep practice fresh. • A simple timer and score display so users can track both accuracy and speed. • A summary screen that shows total correct answers, average time per question, and a quick restart option. • Exportable source code (Android Studio / Kotlin or Java) along with an installable APK. Acceptance criteria: the APK installs without crashes on recent Android versions, every one of the 500 mixed-operation questions appears at least once in a full cycle, scores calculate correctly, and the timer functions accurately. If you have experience building small educational apps and can keep the interface polished yet minimal, I’ll be happy to work closely with you and provide the full question set in CSV or JSON—whichever you prefer.
Project ID: 40299949
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45 freelancers are bidding on average ₹26,317 INR for this job

Hello. How are you doing? I can develop this app for you. I have made quiz apps before. Let's discuss the details. Hope to hear from you soon. Thanks
₹12,500 INR in 6 days
6.9
6.9

Hello I have read your requirements and I am sure 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. Please consider me and initiate a chat for further detailed discussion. Regards, Anju Logical Soft Tech Pvt Ltd, Indore(M.P)
₹30,000 INR in 7 days
6.6
6.6

Coming from Web Crest, a seasoned team celebrated for crafting pragmatic yet high-performing digital solutions, we assure you the expertise you need for your Teen Speed Math Android App. Apt at Mobile App Development and Software Architecture, we’ve designed everything from AI-powered chatbots to scalable platforms—each product built with performance in mind. What sets us apart is our deep understanding of generating interactive experiences tailor-made for target audiences. In the case of your app, we'll fashion a clean, tap-friendly interface that not only engages teens but also serves as an effective tool to sharpen their calculation speed. With 10 years in the industry, we've honed our project management skills to ensure on-time deliveries with consistent quality. Our clientele has praised our clear communication and transparent workflow—a crucial factor in building such supplier-client relationships. Lastly, do
₹25,000 INR in 5 days
6.5
6.5

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer
₹25,000 INR in 15 days
6.6
6.6

Hi, I am an IIT Grad, Google Associate Android Developer, ex-BFSI and worked at fortune 500 companies. I will make it a reality for you. As a Mobile App Developer, I will build a lightweight, tap-friendly Android app using Java or Kotlin with a clean interface, store all 500 questions locally for offline functionality, and implement randomized question shuffling and answer shuffling using SQLite database and a custom algorithm. Kindly click on the chat button so we can discuss and get started. Will share you my prior projects done and my resume too. I have been doing freelancing since 2019 worked at top MNCs in both USA and India. Lets connect
₹12,500 INR in 7 days
5.3
5.3

I can build a lightweight Android math practice app with 500 offline questions, randomized sessions, timer, scoring, and a clean teen-friendly UI. I’ll deliver the APK and full Android Studio source code ready for future updates.
₹22,000 INR in 7 days
5.5
5.5

I understand you want to build a lightweight Android app that helps teenagers improve calculation speed using a bank of 500 mixed-operation questions. I can develop a clean and engaging Android application where all questions are stored locally so the app works completely offline. Each session will randomize both the questions and answer options to keep practice fresh. The app will include a timer, score tracking, and a results summary showing accuracy and average response time. I will deliver the full Android Studio source code and APK with a simple payment interface and a smooth, teen-friendly user interface.
₹25,000 INR in 20 days
4.6
4.6

As an experienced mobile app developer, I am excited to apply my skills to build your Teen Speed Math Android App! With over five years in the field, I specialize in both frontend and backend, meaning I can offer a complete solution for your project. Through my work, I have honed my ability to create clean, optimized, and maintainable code – qualities that are essential for the functionality and longevity of your app. In addition to meeting all your outlined criteria, I will also ensure a polished yet minimalistic design that caters specifically to teenagers. My proficiency in React Native and Flutter also allows me to provide you with a tap-friendly interface that feels engaging. Not only will I prioritize delivering the project on time, but I will also provide clear communication throughout our partnership. You can rely on me to include all 500 mixed-operation questions in a cycle while incorporating speed math tricks – giving teenagers invaluable practice and improving their calculation speed efficiently. Let’s work together towards creating an impactful educational tool!
₹25,000 INR in 7 days
4.6
4.6

Hello. I came across your project, Teen Speed Math Android App and it aligns well with my background. I have hands-on experience with Java, Mobile App Development, Android that's directly relevant here. Feel free to reach out if you have questions.
₹12,500 INR in 7 days
4.2
4.2

Hey Mate , Good evening! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in Kotlin, Android App Development, Software Architecture, Java, Mobile App Development, Android, Android Studio and Mobile Development. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Thanks & Regards
₹27,750 INR in 4 days
3.9
3.9

Hi there! I’m Robert, a Senior Full-Stack & AI Engineer with over 10 years of experience architecting and delivering educational platforms, specializing in mobile development and user engagement strategies. I recently crafted an interactive quiz application that effectively helps users improve their skills through engaging question banks. My background in developing clean, lightweight mobile apps aligns perfectly with your vision for the Teen Speed Math app. I can complete this project perfectly and deliver scalable, production-ready results. This application will include a polished interface for teen engagement, quick access to 500 stored questions, and dynamic scoring and timing features to track user performance. I am committed to clean architecture, structured documentation, CI/CD automation, and OWASP-based security practices. Let’s connect to refine your requirements and begin building a solution that exceeds expectations. How do you envision the user experience in terms of animations and design aesthetics for the app?
₹32,500 INR in 30 days
2.7
2.7

Hello, I am excited about the opportunity to develop your Teen Speed Math Android app. - I have successfully completed similar projects, focusing on educational apps that enhance learning. - My plan includes: 1. Requirement gathering 2. UI/UX design 3. Development using Flutter 4. Testing and deployment. - I will use Flutter for cross-platform compatibility and Firebase for backend support. - The project can be completed within 4-6 weeks with regular updates and open communication. Choose me for my dedication to quality and timely delivery. What specific features do you envision for the app? Do you have a preferred design style in mind? Regards, Bharti M.
₹25,000 INR in 7 days
2.9
2.9

Hello, I can develop a lightweight Android app designed to help teenagers improve their calculation speed with a clean, engaging, and tap-friendly interface. The app will store all 500 mixed-operation questions locally, allowing offline use, and will randomize both question order and answer choices each session to keep practice fresh. A simple timer and score display will track accuracy and speed, and a summary screen will show total correct answers, average response time, and a quick restart option for repeated practice. The app will be built in Kotlin using Android Studio, with an installable APK and fully exportable source code. I will ensure that all questions appear at least once per cycle, the timer functions accurately, and scores calculate correctly. The interface will be minimal yet polished to appeal to teens, and I can also integrate a payment interface if required. You can provide the full question set in CSV or JSON, and I will incorporate it seamlessly into the app for offline use.
₹25,000 INR in 2 days
1.4
1.4

Hi, I see you want to build a lightweight Android app specifically designed to help teenagers improve their speed in math calculations. Your focus on a clean, tap-friendly interface and randomized question order to keep the experience fresh really stood out to me. You need an app that stores all 500 mixed-operation questions locally for offline use, includes a timer and scoring system for tracking speed and accuracy, and offers a summary screen with performance stats. Additionally, the app must support a payment interface and deliver source code in Kotlin or Java, ensuring smooth installation and error-free function on recent Android versions. I recently developed a similar educational app using Kotlin and Android Studio that featured randomized quizzes with offline question storage and a timer-based scoring system. I ensured the UI was simple yet engaging to teens, and I delivered clean, well-documented source code along with a stable APK. This experience aligns well with your requirements for both functionality and polish. I can complete your app within 3 weeks, allowing time for testing all 500 questions and fine-tuning the user interface. Let’s discuss the details so I can start integrating your question set and payment features smoothly.
₹13,750 INR in 7 days
1.4
1.4

Creating a speed-math app for teenagers requires a clean interface, smooth performance, and engaging practice sessions while keeping the app lightweight and fully offline. My approach would be to build the app in **Kotlin using Android Studio**, storing the 500 questions locally in a structured JSON or SQLite database so the app works without internet. Each session will randomize both the question order and answer choices to keep practice fresh and prevent memorization. The interface will include a clear timer, tap-friendly multiple-choice buttons, and a real-time score tracker. After each session, users will see a summary screen showing total correct answers, accuracy, and average response time, along with a quick restart option. I can also include a simple payment interface and a small section for speed-math tricks to enhance learning. You’ll receive the **installable APK, complete Android Studio project, and well-structured source code** so you can update the question bank easily in the future. If you share the questions in CSV or JSON, I can integrate them and deliver a stable build that runs smoothly on recent Android versions. Syed
₹25,700 INR in 4 days
0.6
0.6

Hello, Hope you are doing well. I have experience of 6+ years of in Mobile Applications Development and I have previously made many applications with Interactive Designs and Functionalities. I have reviewed your requirement. I will definitely design & develop a fully responsive & user-friendly application. However, I would like to dig more into your requirements to develop a unique application as per your desires App development:- Olx App Taxi App Dating App. Educational App Multivendor App. Hotel and Restaurant Booking App. Doctors/ hospital management App. Please have a look at my portfolio link : https://www.freelancer.com/u/khushiArt Best Regards Khushbu
₹12,500 INR in 15 days
0.0
0.0

Hello I completely understand your need for a fast, engaging Android app designed to help teens sharpen calculation speed with 500 mixed-operation, multiple-choice questions shuffled each session. The key is a tap-friendly interface coupled with offline storage to ensure smooth, crash-free performance on recent Android versions. I propose using Kotlin with Room database for efficient local data management and LiveData for real-time UI updates. This approach guarantees a sleek, minimal interface, accurate timers, and score tracking, while simplifying updates and ensuring quick delivery. I’ll also provide clean, exportable source code and a robust APK. I’m genuinely excited to bring your vision to life and help teens master speed math! Regards, Marissa
₹12,500 INR in 30 days
0.0
0.0

I know that I am a good candidate to consider for your project. Your need for a clean, tap-friendly Android interface that engages teenagers aligns perfectly with my expertise in creating polished, intuitive, and seamless educational apps. I understand the importance of storing all 500 mixed-operation questions locally to ensure offline functionality and randomizing questions and answers for a dynamic experience. With a background in Kotlin and Java development, I excel at delivering high-performance, streamlined solutions that include automated score calculations and reliable timer functions. While I am new to freelancer, I have tons of experience and have done other projects off site. I am confident that my problem-solving approach and technical skills will produce a cohesive, professional app that installs smoothly and meets all acceptance criteria. I would love to chat more about your project! Regards Sjon Voogt.
₹28,150 INR in 30 days
0.0
0.0

Hello, I’d be happy to help you build a lightweight and engaging Android speed-math training app for teenagers. With my experience in mobile development and educational tools, I can deliver a fast, clean, and reliable application that meets all your requirements. How I will implement your app 1. Android App Development Native Android app using Kotlin in Android Studio (recommended for performance and future scalability). Clean, teen-friendly UI with large tap targets and minimal distractions. Optimized for recent Android versions and smooth performance.
₹25,000 INR in 7 days
0.0
0.0

Hi there, You're absolutely in the right place. I’ve successfully delivered similar projects multiple times and understand exactly how to execute this efficiently and correctly from day one. To properly lock down the scope, timeline, and pricing, I need to ask you a few key questions. Unfortunately, Freelancer’s 1500 character limit doesn’t allow me to explain everything clearly here. Let’s jump on chat, where I can: Show you my proven past work Walk you through the real results I’ve delivered Share a clear, step-by-step action plan for your project You’ll immediately see why my approach is different, practical, and effective. If you’re serious about getting this done the right way, I’m ready to move forward. Looking forward to connecting and winning together Cheers, Sudhi
₹25,000 INR in 7 days
0.0
0.0

Patna, India
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