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I'm seeking an experienced Android developer to create a simple yet effective price alert app for XRP based on [login to view URL] data. Key Features: - Real-time XRP price display - User-set low and high price points - Default alarm for price alerts - Keep app running in the background Ideal Skills and Experience: - Proficient in Android app development - Experience with real-time data fetching - Familiarity with alarm and notification systems - Knowledge of cryptocurrency APIs, especially Coinbase Please provide relevant work samples.
Project ID: 40670233
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94 freelancers are bidding on average $101 USD for this job

Hello, Android & Crypto App Developer {{{ I HAVE CREATED SIMILAR BEFORE AND I CAN SHOW YOU }}} I have carefully reviewed your XRP price alert app requirements and can build a lightweight, reliable Android application around Coinbase market data. I have 11+ years of software development experience and can implement real-time XRP price fetching, user-defined high/low alert thresholds, background monitoring, reliable alarm/notification handling and a clean, simple interface. The app will be designed to handle Android background limitations properly so alerts remain reliable without unnecessary battery usage. I will also include proper API error handling, connection recovery and clear alert-state management. I can provide regular builds for testing and will deliver the complete Android source code with a clean, maintainable structure. Come with us through Chat Window and I'll show You over there what work we have done on previous projects. We'll provide You high Quality Design and development for you with unlimited changes in design. I WILL PROVIDE 2 YEARS OF FREE ONGOING SUPPORT AND COMPLETE SOURCE CODE. Thanks, Christina
$500 USD in 7 days
8.5
8.5

Hi, I can help you with "XRP Price Alert Android App" as per your given project description. We can discuss more in detail during a chat conversation when you are available. I've worked on many PHP projects in recent times. So I am confident on achieving your expected Goals. Please initiate a communication thread to discuss further and start with the project. ⭐ 5.0/5 from a recent client: "A more professional version: “Excellent work! The job was completed within the committed timeline. Great quality, professionalism, and timely delivery. Highly appreciated and recommended.”" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$50 USD in 1 day
8.0
8.0

Hello!! A lightweight Android XRP price alert app can be built with real-time price updates, reliable notifications, and simple alert management. * Which XRP price source or API would you prefer? * Should alerts support both price increases and decreases? * Do you want multiple alerts for different XRP prices? The app will use a clean Android interface with secure API handling, background monitoring, and instant notifications when your chosen price is reached. Relevant mobile and API projects have been completed before, with a strong focus on reliable alerts and simple user experiences. Let us discuss the requirements and start quickly. Best regards Farhin B
$114 USD in 2 days
6.9
6.9

Hello! We can build an Android XRP price alert app for your current needs. 1. Do you need Coinbase data pulled directly or through an existing API? 2. Should the app run alerts fully in the background or with periodic checks? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$63 USD in 7 days
6.5
6.5

Hello there, Hope you are doing well I can develop a lightweight, reliable Android XRP Price Alert app that continuously monitors XRP pricing through the Coinbase API and triggers notifications when your configured price thresholds are reached. Key Features Real-time XRP/USD price display Automatic price refresh using Coinbase market data User-defined high and low price alerts Default alarm/notification sound for triggered alerts Background price monitoring Persistent alerts that continue working when the app is minimized Clear visual indication of current XRP price and alert levels Enable/disable individual alerts Android notification support Efficient API polling with battery and data usage optimization Error handling for network/API interruptions Recommended Tech Stack Language: Kotlin UI: Jetpack Compose API: Coinbase Exchange/Market Data API Networking: Retrofit + OkHttp Background Processing: WorkManager / foreground service where appropriate Notifications: Android Notification API Thanks & Regards Dheeraj K.
$500 USD in 12 days
7.2
7.2

Hi, I'm Denis, a full-stack developer who has built Android apps handling real-time data and background tasks. I understand you want a lightweight XRP price tracker that monitors Coinbase’s feed, triggers notifications when price crosses user-set thresholds, and stays active in the background without draining the battery. The main challenge will be balancing frequent network checks with power efficiency and ensuring the alarm system remains reliable when the app isn’t in the foreground. I’ve worked on similar mobile apps that pull live market data, persist user preferences locally, and fire notifications based on custom rules. For this project I’d start with a clean Android architecture using WorkManager for background polling, Retrofit for API calls, and a foreground service only if system-level persistence is required. Local notifications will be handled through the standard AlarmManager/NotificationManager APIs. A possible risk is Coinbase’s rate limits or API changes breaking the price feed. To mitigate this I’ll add request retries with exponential backoff and a small local cache so alerts still trigger if the API is temporarily unavailable. I can start working right away. Let's connect and discuss the details. Thanks, Denis.
$50 USD in 3 days
6.1
6.1

Hello, I’ve read your requirements carefully and can build this XRP price alert app with a simple, reliable, and lightweight experience. I have 9+ years of mobile development experience and can handle the Coinbase API integration, real-time XRP price updates, customizable high/low alert thresholds, background monitoring, alarms, and Android notifications. I’ll structure the app so price monitoring remains reliable without unnecessarily draining the user’s battery, and I’ll test the alert behavior across different Android versions and background states. I’ll also keep the UI clean and straightforward so users can see the current XRP price and manage their alerts without extra complexity. I can take care of the complete implementation, testing, and final APK/source-code delivery. Thanks
$500 USD in 5 days
5.6
5.6

Hi there I can build your XRP price alert Android app with a simple fast interface for monitoring the XRP price and receiving notifications when your selected targets are reached My approach 1 Price Data Connect the app with a reliable crypto market data API for current XRP pricing 2 Price Alerts Allow users to set upper and lower price targets and configure multiple alerts 3 Push Notifications Send notifications when XRP reaches the selected price conditions 4 Alert Management Let users create edit enable disable and delete their alerts easily 5 Price History Add a simple price chart and recent market data if required 6 Android App Build a lightweight responsive Android app with proper background handling and reliable notification delivery I have worked with Android apps APIs real time data notifications and automated alert systems Quick questions to get started 1 Which XRP price source or exchange API do you want to use 2 Should alerts be based on USD or another currency 3 Do you need multiple alerts at different price levels 4 Should the app continue monitoring prices when it is closed 5 Do you need only XRP or should the architecture support additional cryptocurrencies later Once I have these details I can set up the price monitoring and notification workflow and start building the Android app Let me know and we can jump on a quick call to discuss the requirements Thanks
$93 USD in 7 days
5.8
5.8

I’ve built a real-time crypto price tracker with background sync for Binance in Kotlin using Android Jetpack and Retrofit. For this, I’ll scaffold the app with MVVM, use Coinbase REST API (ticker endpoint) with OkHttp caching to minimize polling, implement WorkManager for background checks every 30s, and wire up Room for user thresholds. Notifications will route through Firebase Cloud Messaging to avoid battery kills, and alarms will fire via AlarmManager with exact triggers. I’ll ship an AAB signed for Play Console with a minimal native layer and no third-party trackers. Thanks, Andrii.
$175 USD in 2 days
5.2
5.2

Hi there, Employer, Thank you for sharing your project details. I understand you're looking for an Android developer to build a lightweight yet reliable XRP price alert app, leveraging data from Coinbase.com. The app needs to provide real-time XRP price updates, allow users to set high and low price alerts, trigger notifications when thresholds are reached, and operate seamlessly in the background. As an experienced Android developer with a strong background in both Java and PHP, I have developed multiple mobile apps involving real-time data fetching, push notifications, and background services. I am familiar with integrating cryptocurrency APIs, including Coinbase, for real-time price tracking, and have previously implemented alert systems that notify users of critical price changes. My approach would be to: - Integrate the Coinbase API to fetch the latest XRP prices in real time. - Design a clean, intuitive UI for easy price monitoring and alert configuration. - Implement a robust background service to ensure the app continuously monitors prices, even when minimized. - Utilize Android's notification system to deliver timely alerts when user-set price points are crossed, ensuring high reliability. - Optimize for battery efficiency so the app remains lightweight and user-friendly. If you’d like, I can share screenshots and brief descriptions of similar apps I’ve developed involving background monitoring and real-time notifications. I’m confident I can deliver a solution that meets your needs, ensuring your users never miss an important XRP price movement. I look forward to discussing your project in more detail and answering any questions you may have. Best regards, DemiVision, LLC
$50 USD in 5 days
4.6
4.6

As someone with a wealth of experience in mobile app development and problem-solving, I believe I have the perfect skill set to meet your needs for an XRP Price Alert Android App. My expertise extends beyond just using PHP for web and mobile apps, to include cutting-edge technologies like React.js, Node.js, and even AI Automation solutions like n8n. These proficiencies especially suit this project as I've worked with real-time data fetching, alarm/notification systems, and cryptocurrency APIs before, including Coinbase. One advantage of working with me is my inherent understanding of the need for reliability in digital products; not only will your price alert app function smoothly on the surface, but underpinned by clean codes and robust architecture, it will continue delivering value even as your business grows. In addition to being proficient at designing for great user experiences, one of my strengths lies in being able to clearly translate complex requirements into effective digital solutions. This ensures that not only will I establish real-time XRP price display that meets your needs, but also an interface where users can easily set their low and high price points with a default alarm for alerts. Furthermore, remembering user preference to keep the app running in the background is another feature we can efficiently include into this great app! Let's create an app that performs well from day one and evolves with your business for long-term success!
$50 USD in 4 days
4.8
4.8

Hi, should the XRP alerts remain reliable even when Android restricts background activity, with notifications triggered locally once the configured thresholds are crossed? I can build a lightweight Android app integrating Coinbase’s market data API for near-real-time XRP pricing, with clean threshold controls for user-defined high/low alerts. I’ll implement reliable background monitoring using Android’s appropriate scheduling/alarm mechanisms, persistent notifications, and sensible handling for connectivity or API interruptions. The app will be optimized for battery efficiency and tested across current Android versions and common device behaviors. I have experience with API-driven Android apps, real-time data handling, and notification/alarm workflows, and can share relevant work samples in the chat. I am available for a quick call to discuss the project further and can also share similar projects I have worked on in the chat. Thanks, Ruchi.
$63 USD in 7 days
4.5
4.5

Hi there! I understand you need a simple and reliable Android app that shows the live XRP price and alerts users when their selected high or low target is reached. The key challenge is keeping price updates and alerts reliable while the app runs in the background. I have experience with Android development, real-time API integration, background services, alarms, notifications, and clean mobile UI. I can integrate the Coinbase data source and build the alert logic around user-defined price levels. I will create a lightweight Android app with live XRP price updates and easy high/low price settings. The alert system will trigger notifications and alarms at the right price point. I will also handle background execution and Android permission requirements carefully. The code will be clean, stable, and easy to maintain. check our work https://www.freelancer.com/u/ayesha86664 Do you want the app built in Java or are you open to Kotlin? Let me know if you’re interested & we can discuss it. Best Regards Ayesha
$63 USD in 3 days
4.5
4.5

Hi - Truong here >>>>>>>>>> "XRP PRICE ALERT ANDROID APP" — you need a simple app that catches price moves reliably. I’d use Coinbase price data with a lightweight background service, then handle alert triggers through Android notifications and alarms. The main point is keeping updates reliable without draining the phone battery. I’d also account for Android background restrictions, since they can stop apps from checking prices if the service is not designed correctly. Do you need alerts only while the app is open, or should notifications continue working after the app is closed? Looking forward to working with you.
$50 USD in 2 days
4.5
4.5

Hello, I can build your native Android XRP price alert application using Kotlin and the Coinbase API. My plan is to write the Android app in Kotlin using Retrofit and WebSockets to fetch real time XRP prices from Coinbase. I can design a clean user interface where users can set high and low price thresholds. I can implement an Android Foreground Service with a persistent notification to ensure the app continues monitoring prices reliably in the background without being killed by Android battery optimization. When price targets are hit I can trigger custom system alarms and push notifications using NotificationManager and MediaPlayer. I can also store the user price settings locally using Room or SharedPreferences. 1) Do you prefer real time price streaming via Coinbase WebSockets or scheduled background polling using the Coinbase REST API? 2) Should the alert sound play a custom audio file or trigger the user default Android alarm ringtone? 3) Which specific Android version range like Android 8.0 and above do you want to target? Thanks, Bharat
$300 USD in 4 days
4.6
4.6

Hello. You need a simple yet effective XRP price alert app that keeps users informed about Coinbase price movements without manual checks. Your app will display real-time XRP prices, let users set custom high/low alerts, and trigger default alarms even when the app isn’t active. I’ll build this using Android Studio with Coinbase’s public API, ensuring reliable data fetching and background operation through optimized services. Here’s a portfolio example of a real-time crypto dashboard I developed: [portfolio link]. It handles live price updates and notifications smoothly. Would you like the alert system to use system notifications or in-app pop-ups? Click ‘Hire’ and I’ll start work immediately. Thanks, Lazar.
$50 USD in 1 day
4.0
4.0

Hello, I would love to help. I understand your goals and will deliver clear work on time while keeping you updated. I am an experienced and specialized freelancer with 8 years of practical experience in PHP, Mobile App Development, Mobile Development, Android App Development, Android SDK, Android Studio. Please visit my profile to check the latest work and honest client reviews. Let us make this great together, please connect in chat. Regards.
$65 USD in 1 day
4.1
4.1

Hi, I'm an experienced Android developer ready to build your XRP price alert app. I can integrate real-time price data via Coinbase API, implement user-defined low/high alert thresholds, default alarm notifications, and reliable background service to keep tracking active even when the app isn't open. Clean, efficient code with battery-friendly background execution. Let's discuss your timeline.
$63 USD in 7 days
4.0
4.0

Hello! I'm ready to develop a price alert app for XRP on Android that meets your requirements for simplicity and effectiveness. I have extensive experience in Android development, utilizing Java and the Android SDK to create user-friendly applications. I've successfully built mobile applications that integrate real-time data and notifications, ensuring users receive alerts promptly. My background in PHP allows me to implement any necessary backend components for data handling and user authentication. - I will design a clean and intuitive UI to enhance user experience. - Utilizing Java and the Android SDK, I will implement real-time price tracking for XRP. - I will ensure thorough testing for optimal performance and bug resolution before deployment. Could you share more about the specific features you envision for the alert system? Understanding this will help me tailor the development process to your needs. I'm ready to start as soon as we finalize the project details via Freelancer messages. Best regards, Jordan Rafael
$50 USD in 3 days
3.3
3.3

Hi, I am a software engineer with over 16 years of experience building reliable mobile and connected-product software. I can create a clean Android app that displays the live XRP price from Coinbase, lets users set high and low thresholds, and triggers clear alarm-style notifications when either level is crossed. I’ll implement dependable background monitoring using Android’s supported scheduling mechanisms, persist alert settings, and handle API or network interruptions gracefully. Relevant client work is private and cannot be shared publicly, but I can show suitable examples privately. Please let me know your preferred minimum price-check interval and Android version range. I’d be happy to discuss the details and get started.
$55 USD in 5 days
3.0
3.0

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