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I need a period-tracking application created specifically for teens and tweens, available on both iOS and Android. The overall look should feel cute and playful—think bright colours, friendly illustrations, and an interface that feels more like a game than a medical chart. Here are the core functions I want to see on launch: • Cycle tracking with accurate predictions • An AI-powered avatar that reacts to the user’s data and offers encouragement • Private diary entries for mood, symptoms, and notes • Push notifications and gentle reminders for upcoming periods, hydration, and self-care • Age-appropriate health tips surfaced contextually inside the app I’m flexible on the tech stack—React Native, Flutter, or something else you’re confident will keep one shared codebase smooth on both stores. Deliverables include design files, source code, and build instructions so I can publish to the App Store and Google Play without extra engineering help. If you’ve shipped consumer-facing mobile apps before, especially those aimed at younger audiences, I’d love to see what you’ve done. Looking forward to working together on something fun and genuinely useful.
ID do Projeto: 40153138
175 propostas
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Ativo há 12 dias
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175 freelancers estão ofertando em média $604 USD for esse trabalho

Hello, How are you? I can build a playful, teen-friendly period-tracking app for iOS and Android with a shared cross-platform codebase. I’ll design a bright, game-like interface with friendly illustrations that feels supportive rather than clinical. The app will include accurate cycle tracking, a reactive AI avatar, private mood and symptom journaling, and gentle reminders. I’ll ensure all health tips and interactions are age-appropriate, safe, and easy to understand. • Cute, playful, youth-friendly UI theme • Secure user onboarding and profiles • Menstrual cycle tracking and prediction • Interactive AI avatar companion • Mood, symptom, and diary logging • Private and secure data storage • Contextual health tips and education • Push notifications and gentle reminders • Hydration and self-care prompts • Gamified interactions and rewards • Parental-safe and age-appropriate design • Analytics for cycle patterns (user-facing) • Offline-friendly core functionality Let’s chat.. Thanks
$540 USD em 12 dias
9,6
9,6

Hi There, 1.I need a period-tracking application created specifically for teens and tw... ==> We got the idea for a fun and playful period-tracking app for a younger audience. The game-like design is a great approach to make it engaging. We have built similar wellness apps in the past. One interesting feature we saw in a related app was a small digital pet whose look and mood changed based on the users cycle phase, which made the experience very interactive. We can definitely build all the core functions you have listed. The cycle tracking, private diary, and gentle reminders are all clear. We think the AI-powered avatar that reacts to user data is a fantastic idea that will make the app feel very special. We will also integrate the age-appropriate health tips so they appear at the right time. For the technology, we would suggest using Flutter. ## Queries : 1. Could you describe the AI avatars personality? For example, is it a cheerful coach, a calm friend, or can the user choose? ## Initial Project Structure : - Onboarding - Home/Dashboard - Calendar - Daily Log Entry - Diary History - Avatar Screen - Learn/Tips Section - Settings We use advanced AI tools (Cursor, Claude, ChatGPT) to speed up coding and reduce manual work hours. We pass these time-savings to you, providing a high-quality app at a very competitive price. Waiting for your reply. :-) Regards, Ghanu & Samir. KESHAV INFOTECH
$487 USD em 15 dias
9,6
9,6

Hi there, I understand you want a cute, game-like period-tracking app for teens and tweens on iOS and Android, with cycle tracking and accurate predictions, an AI avatar that reacts to data with encouragement, private mood/symptoms diary, gentle reminders for periods, hydration, and self-care, and contextual health tips. I’ll build a single shared codebase using React Native or Flutter to keep development tight, with a polished design system, accessible UI, and scalable backend. Deliverables: design files, source code, and clear build instructions so you can publish to both stores without extra help. My approach focuses on a bright, friendly UX, reliable cycle predictions, a responsive AI companion, secure diary entries, and thoughtful push notifications that respect privacy. What’s your target launch date and any specific brand guidelines or privacy requirements I should align with? Best regards,
$750 USD em 13 dias
9,0
9,0

Hey, You are looking for Build Fun Period Tracking App "Lets Gets Started, I know you have several tempting proposals here, but I guarantee you to be impressed by my work. I have various skills in design, Illustration, Photoshop, Graphic Design, Logo Design and Illustrator. If you give me this chance you will be impressed, because I guarantee that I will meet your expectations. I invite you to get a look at my portfolio You Can see it from here : https://www.freelancer.com/u/sahildogra222 If you have any questions or queries, do not hesitate to contact me. I hope to start working with you. With regards! SAHIL
$250 USD em 2 dias
8,3
8,3

Hello, We understand you're looking to develop a fun, playful period-tracking app tailored for teens and tweens. The key features—cycle tracking, an AI-powered avatar, private diary entries, and contextual health tips—will create an engaging experience that resonates with your audience. Our team is adept at creating user-friendly mobile apps, and we prioritize aesthetics that are friendly and approachable. At A2 Design, we have successfully launched consumer-facing apps like TutorTime, which features advanced matching and notifications tailored for educational environments, and Multimuse, a collaboration platform designed for digital creators that emphasizes real-time interaction and community engagement. For your project, our experience in crafting intuitive interfaces and mobile applications will ensure a smooth delivery across iOS and Android using React Native. Let’s discuss how we can bring your vision to life. Reach out to explore the next steps!
$420 USD em 4 dias
8,2
8,2

Hello, I’ve read your requirement carefully and this sounds like a genuinely meaningful product, especially because it’s designed specifically for teens and tweens rather than a scaled-down adult health app. The focus on a playful, comforting experience combined with accurate tracking and gentle guidance is exactly the right direction for this age group. I can take this app from concept to store-ready release on both iOS and Android using a single shared codebase, most likely Flutter or React Native depending on which best supports your design vision and long-term maintenance. The UI will lean into bright colours, friendly illustrations, and smooth animations so the app feels welcoming and fun, not clinical. I’m comfortable collaborating on or directly producing the design files so the final product looks cohesive and polished. Functionally, I’ll implement reliable cycle tracking and prediction logic, private diary entries for moods and symptoms, and smart push notifications that feel supportive rather than alarming. The AI-powered avatar will be designed as an encouraging companion that reacts to the user’s data in an age-appropriate way, offering reassurance, reminders, and positive reinforcement. Health tips will be carefully written and surfaced contextually, keeping language safe, simple, and suitable for younger users.
$650 USD em 28 dias
8,1
8,1

Hello, Greetings Hope you are doing well. I am a Mobile Application developer with over 5 years of experience. I am confident in my ability and skills to develop high-quality Mobile apps and would like to work on your fun period tracking app project. I will complete the work as per your requirements. I want to discuss more this project to prepare the final concept. So let’s discuss this in detail over chat then will make plans to start work on it. Waiting for your earliest reply. Thanks. Shubham
$250 USD em 14 dias
8,0
8,0

HELLO, I HAVE REVIEWED YOUR REQUIREMENTS AND FULLY UNDERSTAND YOUR NEED FOR A FUN, TEEN-FRIENDLY PERIOD TRACKING APP WITH CUTE, PLAYFUL UI AND ENGAGING AI INTERACTIONS. WITH 10+ YEARS OF EXPERIENCE IN MOBILE APP DEVELOPMENT, I HAVE BUILT CONSUMER-FACING, CROSS-PLATFORM APPS USING Flutter AND REACT NATIVE, FOCUSING ON SMOOTH PERFORMANCE, CLEAN CODE, AND AGE-APPROPRIATE INTERFACES. I CAN DELIVER: Cycle tracking with accurate predictions AI-powered avatar interactions Private mood and symptom diary Push notifications and gentle reminders Contextual, age-appropriate health tips I WILL PROVIDE FULL SOURCE CODE, DESIGN FILES, AND BUILD INSTRUCTIONS FOR BOTH IOS AND ANDROID. I WILL WORK CLOSELY WITH YOU TO ENSURE A PLAYFUL, ENGAGING EXPERIENCE THAT TEENS AND TWEENS LOVE. I EAGERLY AWAIT YOUR POSITIVE RESPONSE TO START WORKING ON THIS PROJECT. THANK YOU,
$494 USD em 9 dias
8,3
8,3

Hello, HAVE HANDS-ON EXPERIENCE WITH SUCH PROJECT I have 11+ years of proven experience in mobile app development and I understand your requirement clearly. The goal is to build a playful, teen-friendly period tracking app with accurate cycle predictions, AI avatar interaction, and secure private journaling, designed for smooth cross-platform performance and scalability. *** Core features: -->> Cycle tracking with prediction engine + reminders -->> AI avatar for encouragement and contextual health tips -->> Private diary with mood, symptoms, and notes + push notifications I will deliver full source code, design files, and build instructions, working in an agile workflow with clean architecture and secure APIs. I will work full time 40 hours/week for you and I’m ready to start after clarifying a few questions about your preferred UI style and AI requirements. I eagerly await your positive response. Thanks Julian
$300 USD em 7 dias
8,4
8,4

Hello, This project is a great example of where thoughtful product design matters as much as engineering. A teen-focused period tracker must balance accuracy, privacy, and emotional tone—and I’ve shipped consumer apps that do exactly that across iOS and Android using a single shared codebase. My approach would be to treat this as a friendly companion rather than a medical tool: bright visuals, simple flows, and an AI avatar that responds with encouragement instead of data overload. Cycle predictions would be reliable, diary entries fully private, and reminders framed as gentle nudges for self-care. Health tips would appear contextually and be written specifically for younger users. You’ll receive organized design files, production-ready source code, and clear build steps so you can publish confidently on both app stores. I’m comfortable leading both UX and development to keep everything cohesive. Should the AI avatar be rule-based at launch or connected to a lightweight AI model? Are there any regional compliance or content guidelines we should follow? Let’s chat
$750 USD em 15 dias
6,9
6,9

As the leader of an experienced and dedicated team, I believe we are uniquely qualified to take on your project. Our comprehensive knowledge and skills in both Software, Web and App development make us well-equipped to handle any challenges that may arise during the creation of your period-tracking app. Your search for a professional with experience in Android, Flutter, iPhone, and Mobile App Development ends here. We have an extensive background in these areas and we pride ourselves on consistently delivering high-quality products tailored to our clients' specific needs. Moreover, while we have expertise in a broad range of app development projects, we recognize the unique nature of your demographic— teens and tweens—and understand their need for an app that straddles the line between fun and healthcare. This is why we aim not just to meet your core functions but rather exceed them by implementing age-appropriate health tips surfaced contextually within the app. So trust us for a smooth and seamless experience from design files to source code, instructions to publishing it on the App Store and Google Play without any extra fuss on your end. Let's create something genuinely useful together!
$500 USD em 7 dias
7,3
7,3

Hi there, ★★★ Mobile App Development / React Native Expert ★★★ 9+ Years of Experience ★★★ To complete the period-tracking application for teens and tweens, I will follow a structured approach to ensure a fun and engaging user experience. 1. Requirement Gathering and Finalization (10 hours) 2. UI/UX Design with playful and bright aesthetics (20 hours) 3. Development of core features such as cycle tracking, AI avatar, diary, and notifications (40 hours) 4. Testing across both iOS and Android platforms (15 hours) 5. Delivery of design files, source code, and build instructions (5 hours) What I need from you: 1. Detailed specifications or preferences for the aesthetics of the application. 2. Any existing branding materials or illustrations you'd like to incorporate. 3. Access to any data or resources that can enhance the AI component of the application. I look forward to connecting at your convenience to ensure the project's success. Best Regards, TechPlus Team
$1.000 USD em 12 dias
6,9
6,9

Hello, I will develop your FUN PERIOD TRACKING MOBILE APPLICATION for Android and IOS both platforms 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
$250 USD em 22 dias
6,6
6,6

Hello, I’ve gone through your project details and this is something I can definitely help you with. I have 10+ years of experience in mobile and web app development, working with Flutter, React Native, and various other technologies. My focus is on creating engaging, user-friendly applications, and I understand the need for a playful and inviting interface for a period-tracking app aimed at teens and tweens. I will first review your requirements, suggest the best technical approach, and then proceed with development while keeping you updated at every stage. With experience in building consumer-facing mobile apps, particularly for younger audiences, I can ensure that your app is both fun and functional. Here is my portfolio: https://www.freelancer.in/u/ixorawebmob I’m interested in your project and would love to understand more details to ensure the best approach. Could you clarify: 1️⃣ Do you have any specific design ideas in mind or should we collaborate on that? Do you have any specific design ideas in mind or should we collaborate on that? Let’s discuss over chat! Regards, Arpit Jaiswal
$555 USD em 22 dias
7,5
7,5

Hello — I can build your teen-friendly period tracker for iOS + Android with a cute, game-like UI (bright colours, friendly illustrations, avatar-led flow) while keeping privacy and accuracy front-and-center. I’ll deliver: cycle tracking with reliable predictions, private diary for mood/symptoms/notes, gentle push reminders (period window, hydration, self-care), and contextual, age-appropriate tips that feel supportive—not clinical. The AI avatar will react to trends (energy, mood, symptoms) and offer positive, non-judgmental encouragement with safe guardrails. Tech: Flutter or React Native for one smooth shared codebase, plus a clean backend if needed (sync, backups, notifications). You’ll receive Figma designs, full source code, and step-by-step build/release instructions for App Store + Google Play. Quick questions: offline-first required? Any parental controls/lock screen?
$350 USD em 7 dias
6,4
6,4

Drawing from our extensive experience in graphic design, we're confident that we can bring a unique and playful aesthetic to your period-tracking app. Specifically, our background in tailoring designs for different industries would guide us in making your app feel just right for its young target audience. The use of AI-powered avatars for data interaction is also something we've dabbled with before and could bring some much-needed fun and encouragement into the lives of your users. Moreover, when it comes to maintaining smooth codebases, we are well-versed with React Native and Flutter– your comfort level with using React Native/flutter is important to us. We understand that you want to take full ownership of the app once it's developed so that it doesn't rely on third-party engineering help. We keenly respect that as company policy. Hence you can count on us to deliver comprehensive build instructions, source codes and design files ready for publishing on the App Store and Google Play platforms. Here is the link of my profile you can check relevant portfolio and if there is any question and concerns you can reach out to me. https://www.freelancer.com/u/javeda5 Shoot me a message so we can discuss the project scope, deadline and budget will be discussed over chat Thanks and Regards, Creative Beavers Z.
$250 USD em 1 dia
6,4
6,4

As an experienced graphic designer with a focus on user interface and experience, I absolutely adore the concept of your app. It would be an absolute privilege for me and my quirky furry friends to bring a project like this to life! With over eight years in the field and a specialized degree, my skill set aligns perfectly with the requirements of your project. Drawing from my past experiences, one example of how I've combined design, creativity, and innovation is when I developed a children's mental health app. The goal here was to present sensitive information in an engaging manner. I believe this background makes me a fantastic fit for your project, as I can strike that balance between playfulness and utility. Let's transform our ideas into reality ready to chat about the project and bring our vision to life Budget and deadline will be discussed over chat https://www.freelancer.ca/u/Jomsmathews Regards, Joms Z.
$250 USD em 1 dia
6,5
6,5

Hi, We’ve developed engaging apps for kids and teens, including a fun, interactive learning app that uses gamification to teach math. We understand how to create playful, colorful experiences that resonate with younger audiences. For your project, we can use Flutter to build a single codebase for both iOS and Android, ensuring a consistent experience across platforms. We’ll also implement a robust backend to securely manage user data and AI model training. Let’s schedule a 10-minute call to discuss your vision in more detail and see if I’m the right fit for this exciting project. I’m eager to learn more. Best, Adil
$453,33 USD em 7 dias
6,2
6,2

With my years of experience in graphic design and mobile app development, I can bring a unique and engaging touch to your period-tracking app. The youthful and friendly aesthetic you desire aligns perfectly with my design style, as I've successfully crafted compelling visuals for both local and international clients. Whether it's coming up with vibrant color schemes or playful illustrations, my keen eye for detail will ensure that your app has the perfect balance between fun and functional. In addition to my design skills, I am well-versed in various tech stacks including Android, Flutter, React Native – ensuring we have choices that will keep a shared codebase smooth across both stores. This not only helps you manage the app effortlessly but also makes publishing to the App Store and Google Play a breeze. Moreover, I value open communication and so I guarantee you regular check-ins as we progress on the project. I invite you to review my portfolio here: https://www.freelancer.com/u/Jneutron1237890 Please feel free to reach out so we can discuss your project in greater detail and explore how I can assist you most effectively. Best Regards, Jimmy Z.
$250 USD em 1 dia
6,3
6,3

Hi there To create a fun period-tracking app for teens and tweens, the most critical part is building trust while keeping the experience playful, safe, and engaging. I’ll approach this by using a shared mobile codebase (React Native or Flutter) combined with a lightweight AI layer that personalizes encouragement and tips without over-collecting sensitive data. The focus is on accuracy, privacy, and a UI that feels like a friendly companion rather than a medical tool. I recently worked on a consumer wellness app with AI-driven personalization and private journaling, where engagement increased by over 40% after introducing avatar-based feedback and gamified reminders. That experience directly applies to your goals around retention and age-appropriate design. My process starts with UX and data flow design, continues through core feature implementation and AI behavior tuning, and ends with store-ready builds and documentation. Once requirements are fully confirmed, I’ll provide an exact timeline and final budget.
$500 USD em 7 dias
6,2
6,2

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