Convert.
iOS app for instant money operations
This case study shares how the Onix team built an iOS app that allows users to send and receive money and exchange currencies on their smartphones in a matter of minutes.
Fintech
Industry
5 specialists
Team size
Kyiv, Ukraine
Location
6 weeks
Project duration
[ Business context ]
Our client approached us with the idea of a fintech app with features close to Revolut and Wise apps but for the East Asia and Oceania markets.
He wanted to create a money transfer app that would provide users with the convenience, accuracy, and security needed to make critical financial decisions quickly.
The central idea of this instant money transfer app is to provide online banking services to enable customers to manage their finances and perform banking operations remotely.
We agreed on the demo version of the product. Our team built an MVP for demo purposes, so our client could show it to potential investors and then finish the development and deliver the complete set of desired features.
The MVP successfully showcased the app's core functionality, paving the way for the final development phase.
[ Product scope ]
The Onix team needed to:
Set up the fine-tuned development process
Collect requirements to define the main product features and goals
Develop a money transfer app for easy day-to-day financial operations
Create a simple and intuitive interface that ensures all elements are built according to the principles of elementary logic and are easy-to-use
Implement reliable and advanced technologies to ensure high mobile app operation and proper functioning
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[ The app idea ]
Regular people aged 18 to 35 years can execute easy and rapid basic money operations:
Deposit money from their credit cards
Exchange currencies within the app
Receive money from app users
Send money to other app users
Onix’s approach
to development
Onix team’s Mission
The Onix team needed to develop a mobile app that allows instant money operations, such as conducting transactions and sending, receiving, or exchanging currencies using smartphones.
Setting up a transparent development process
Our cooperation started with setting up a fine-tuned development process. On the part of the Onix team, highly-skilled experts were committed to making an app for instant money transfers. At Onix, we employ Agile methodology to create a seamless, effective, and transparent process. This development approach allows our team to make continuous improvements and avoid delays or any other development issues.
Building MVP
We started this project from scratch. Creating an MVP for the demo allowed us to understand the target audience's needs and further develop and refine the product based on market research.
During MVP development, our experts:
Decided on the list of features we would like to see in the final product
Created a list of tasks for the development based on the WBS document
Designed wireframes
Developed the product
Conducted QA testing and fixed bugs
The Onix team provided development solutions aligned with our client's goals, budget, and time.
The app’s 'killer' features
Our MVP is a demo for investors that uses dummy data without real connections to banking and payment systems. This is solely for demonstration purposes.
Easy card deposits
Users can deposit money quickly and securely through their debit or credit cards.They simply have to enter their card details and indicate their deposit amount. This eliminates manual transactions.
Convenient currency exchange
With this feature, users can easily transact in different currencies while knowing they are getting the best exchange rate.Users can easily open a “currency account” and start financial operations immediately.It allows people to eliminate manual paperwork associated with traditional currency exchanges, such as filling out forms or dealing with long waits at banks.
Quick money sending and receiving
Users can send or receive funds instantly and securely track transactions over time. The user simply chooses another app's user and indicates an amount they want to send. Money comes to the other user's currency account, which they can use at once.
Handy transaction history
Users can easily monitor their spending or income over time.This feature gives users greater visibility into their finances, enabling them to identify patterns or make more informed decisions about managing their money.
[ Design solutions ]
Our main goal was to make UI design clean and minimalistic and ensure simple and intuitive UX.
We decided to keep the design as simple as possible to proceed with the app development ASAP. Our minimalistic UI solution focuses on creating user interfaces with the least number of elements possible.
Our UI emphasizes simplicity and usability, allowing users to focus on only what is necessary for the task at hand. It eliminates distractions and clutter, making it easier to navigate through the interface.
As a result, we employed minimalistic UIs with clean lines and minimal colors that are aesthetically pleasing.
The interface gives enough space for adding new features and general White Labeling.
Our design team practiced rapid prototyping of friendly UX and neat interfaces, which at the same time, is easily adjustable to any client's needs and regions.
Core technology stack we used
Swift,
Node.JS,
PostgreSQL,
UIKit,
SendGrid,
Redis,
AWS S3,
Firebase,
MVVM+C Architecture
[ Results ]
We delivered a well-built mobile demo app for day‑to‑day financial operations that offers significant time savings and cost efficiencies compared to the manual processing of financial transactions.
Users can deposit money from their credit cards, exchange currencies within the app, and send money to other users.
As a result of Onix’s collaboration, our client now has an MVP for demo purposes, so they can show it to their potential investors.
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