Sphinx Solutions helped Rainman Desalination build an Android app for their AC Electric Watermaker using real-time Bluetooth communication & intuitive design.

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Project Overview

Sphinx Solutions worked with Rainman Desalination, an Australian company that makes portable desalination systems. Their AC Electric Watermaker helps people on boats or in remote areas turn seawater into fresh drinking water. The goal of this project was to build a mobile app for Android and iOS that connects to the watermaker and helps users see what’s happening inside the machine in real-time.

Our team created an app that uses Bluetooth to pair with the watermaker. Once connected, users can track things like pressure levels, system status, and runtime on their phones. If anything goes wrong, the app shows fault signals right away. We additionally introduced an assist phase with videos, consumer manuals, and step-by-step guides to ensure users can without difficulty restoration common issues on their own. The layout is easy and clean to apply, even in rough outdoor situations.

The result is a smart companion app that makes using the Rainman watermaker a lot simpler. It allows users to stay up to date, restoration troubles quicker, and preserve the whole lot running smoothly. Now available on the Play Store and App Store, the app brings a generation into a tool that many vacationers and sailors depend on every day.

Client Requirement

Bluetooth Device Pairing Rainman wanted the app to connect with their AC Electric Watermaker using Bluetooth so users could monitor the machine without any cables.

Live System Monitoring They needed real-time updates on pressure levels, runtime, and overall system performance, directly on the user’s phone.

Instant Fault Alerts The client asked for a system that could instantly detect and notify users about any faults or errors during operation.

Help and Support Section They deliberate to consist of movies, manuals, and troubleshooting courses to help humans resolve issues without the want for specialist help.

User-Friendly Interface The app had to be smooth and easy to use, even in outdoor or moist situations where users are probably carrying gloves.

Reliable Performance in Remote The app needed to be lightweight and stable, so it works smoothly in places with limited internet or tough environments like the open sea or off-grid setups.

Tools and Techniques

Front-End

Back-End

Database

Servers

Problem Statement

Rainman Desalination had a powerful product, the AC Electric Watermaker, but they noticed a gap in how users interacted with it. Most consumers relied on hardcopy manuals, guessed system performance, or waited until something went wrong before acting. Rainman Desalination had a powerful product, the AC Electric Watermaker, but they noticed a gap in how users interacted with it. Most consumers relied on hardcopy manuals, guessed system performance, or waited until something went wrong before acting. Rainman Desalination had a powerful product, the AC Electric Watermaker, but they noticed a gap in how users interacted with it. Most consumers relied on hardcopy manuals, guessed system performance, or waited until something went wrong before acting

There was no method for customers to receive real-time updates or notifications, making the overall experience less efficient and occasionally annoying, particularly for those using the product in distant or tough situations.

They wanted a way to make the watermaker smarter, something that could help users stay informed, catch issues early, and manage everything from their phone. However, because this was intended to link a machine to a mobile app through Bluetooth, it necessitated careful planning, correct hardware connectivity.

Furthermore, the app has to feature properly even without net connectivity, offer step-by-step instructions, and be simple enough for all of us to apply, whether on a ship or off-grid. Rainman sought a tech partner that could comprehend these real-world difficulties and transform them into a functional mobile solution. That’s when they approached Sphinx Solutions.

Solutions Statement

To solve the core issues, our team at Sphinx Solutions designed and developed a custom Android app that connects directly to the Rainman AC Electric Watermaker using Bluetooth. This allowed users to pair their phones with the device and get live system data right on the screen. They could now easily check pressure levels, system status, and runtime without opening the machine or relying on guesswork.

We also added a smart fault detection feature. When there is a problem, such as a drop in pressure or anything not working properly, the app provides an instant notice. In addition, we established a complete support centre that includes videos, troubleshooting hints, and downloadable manuals. This made it simple for users to correct minor errors on their own, without the need for assistance or printed instructions.

The design crew prioritised an easy, glove-friendly interface that plays well in harsh situations, like aquatic situations. The utility is lightweight, runs properly even without a web connection, and provides an easy, pressure-free experience. Overall, we modified a famous gadget into a networked, user-friendly device that is less difficult to operate, hold, and depend upon.

Development Process

Requirement Gathering & Analysis

We kicked things off by understanding Rainman’s vision, making their watermaker smarter and easier to use. We discussed hardware compatibility, real-time data needs, and how users would interact with the machine through their phones.

UI/UX Design

Our design team created a clean, simple interface that users could operate even in rough environments like boats or remote locations. We focused on large buttons, high-contrast colours, and easy navigation, especially for glove use..

Bluetooth Integration & System Communication

Our team began with a detailed discussion with the client to understand their business models, targeted users, and platforms fully. We carefully noted the challenges, convenience requirements, and goals to combine our vision with their vision.

App Development (Android)

Testing & Quality Assurance

Launch & Ongoing Support

Once approved, we launched the app on the Google Play Store. We’ve also provided post-launch updates, bug fixes, and support to ensure it continues running smoothly for Rainman’s global user base.

A Sphinx Solution Perspective

“Working on the Rainman task turned into a unique and profitable experience for our team. It wasn’t pretty much building an app; it became about blending hardware and software in a manner that made life less difficult for human beings in remote areas.

From syncing real-time statistics to developing a user-friendly layout that works in tough environments, every part of the undertaking drove us to think practically and construct smart. We're proud to have performed a function in supporting Rainman modernise their solution and make freshwater get entry to more intuitive for their international users.”

Implementation Step

Understanding the Hardware & User Needs We first spent time learning how the Rainman watermaker works and what kind of information users needed most, like pressure levels, faults, and runtime details.

Planning Bluetooth Integration Since Bluetooth was the only means to link the app to the machine, we designed the communication to be stable, speedy, and energy efficient.

Designing a Simple, Functional UI We designed screens that were easy to understand, even in outdoor or marine conditions. The layout focused on quick access to live data and fault alerts.

Developing Core Features We built the app’s main features, live monitoring, fault alerts, help centre, and system settings, making sure they all worked smoothly together.

Testing in Real Scenarios Our QA group tested the app in a variety of contexts, which include low-net zones and on-the-go situations, to make certain that the whole thing remained dependable and responsive.

Launching & Supporting the App We posted the app on the Google Play Store after receiving patron clearance. After release, we endured to provide updates, computer virus fixes, and technical useful resource to ensure that it ran without problems.

Challenges !!

Maintaining a stable Bluetooth link on boats or in motion was tough for smooth app and Rainman device connectivity.

Users often run the Rainman watermaker outdoors with wet hands, gloves, or bright sunlight, making app use difficult.

The Rainman system is used in remote areas with poor or no internet, limiting online features and real-time support.

Many Rainman users lack tech skills, so handling faults or app errors could be confusing and stressful.

Solutions Delivered ✨

Added robust BLE with status alerts and auto-reconnect, ensuring reliable data transfer despite movement or interference.

Built a minimal UI with large buttons, bold fonts, and high-contrast visuals for easy use in outdoor or mobile conditions.

Designed the app for full offline use, storing all data locally with guides and videos accessible without connectivity.

An in-app help hub with guides, stepwise tips, and videos, enabling anyone to troubleshoot issues independently.

Impact it Created

Made the Watermaker Smarter

With the new app, Rainman turned a traditional machine into a smart device. Users can now track live stats, spot faults, and stay in control all through their phone.

Reduced Support Requests

Since users now have access to fault alerts, guides, and videos in the app, the need to contact customer support has gone down. Most people can now fix small issues on their own.

Improved User Confidence

The capability to see what is going on within the device in real time increases client self-assurance. They realise that while the watermaker is functioning properly while it isn't.

Helped Rainman Build Brand Trust

Offering a modern, helpful app alongside the watermaker showed Rainman’s commitment to innovation and customer care. It added real value to their product and boosted their reputation globally.

Customer Testimonial

“Working with Sphinx Solutions has been a clean and worthwhile experience. Their group understood both the technical and consumer-side demanding situations from day one. The app they constructed has honestly added fee to our product, making it extra user-friendly and modern.

Our clients now have higher control, faster fault detection, and smooth get admission to to help all from their telephone. We’re glad we partnered with a group that would turn our vision into a reliable, real international answer.”

Summing Up

The Rainman app project was all about bridging the gap between a great physical product and modern-day digital convenience. By working closely with the Rainman team, we understood what their users truly needed: real-time control, ease of use, and offline support.

From Bluetooth integration to stay device monitoring, fault alerts, and a built-in assist centre, every characteristic was crafted to make the watermaker smarter and more on hand, mainly for people in remote or outdoors conditions.

We focused not just on building an app, but on improving the overall user experience, so customers could trust the machine even more. Whether someone is sailing, camping off-grid, or just needs fresh water in a tough location, this app adds real comfort and control.

At Sphinx Solutions, we’re proud to have brought this idea to life, blending hardware with smart software in a way that’s clean, practical, and built for the real world. It’s a simple app, but one that makes a big difference.

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FAQ

Questions & Answers

The app was built to help users monitor and control the Rainman AC Electric Watermaker using their phones. It makes tracking system status and fixing faults easier and faster.

The app uses Bluetooth Low Energy (BLE) to pair with the device, allowing real-time data sharing like pressure levels, runtime, and system alerts.

Yes, the app is designed to work offline. Users can access all features, including fault alerts and guides, even in remote locations.

Currently, the Rainman app is available for Android devices and can be downloaded from the Google Play Store.

We provided regular updates, bug fixes, and ongoing technical support to ensure smooth performance and user satisfaction after the app went live.