Android App Development
Native Android apps that are fast, reliable and built to modern Google guidelines.
Android iOS Business apps
Custom Apps Built for Real Business
Sabse Sasta Offline App Development
Practical Android and iOS apps for small businesses—built to work even with limited or no Internet connectivity.
We design and build mobile apps around the way your business actually works, from day-to-day workflows to apps that keep running without an internet connection.
Services
Everything you need to go from idea to app store
One team for design, development and launch, so nothing gets lost between steps.
iOS App Development
Polished iPhone and iPad apps that feel at home on Apple devices.
Business Workflow Apps
Replace paper registers, spreadsheets and repeated manual steps with an app shaped around your process.
Offline-First Apps
Apps that keep working with patchy or no internet, and sync safely when you are back online.
UI/UX Design
Clean, simple screens that your staff and customers can use without training.
Play Store & App Store Launch
Store listings, screenshots, privacy details and the submission process, handled with you.
Who we are
Our Purpose
Our Vision
To make reliable, affordable, and easy-to-use mobile technology accessible to every small business—so great ideas and daily operations are not limited by expensive software.
Our Mission
Rumit ByteLogic builds practical Android and iOS applications that solve real business problems. We create custom, offline-first, user-friendly apps for inventory, sales, operations, customer workflows, and business automation—delivered with clear communication and a focus on long-term value.
Why We Built Rumit ByteLogic
Many small businesses still rely on paper records, spreadsheets, and disconnected tools that are difficult to use and expensive to maintain. We built Rumit ByteLogic to bridge that gap with simple, professional mobile apps tailored to how businesses actually work.
Our goal is not to add unnecessary complexity. It is to turn everyday challenges into clean, dependable digital solutions—whether that means managing stock, tracking sales, creating invoices, or streamlining a unique workflow.
Leadership
Rumit ByteLogic is led by Tarun Kumar Das, Founder and Owner, together with Tanmay Verma, Co-Founder. We combine enterprise technology experience with a practical, customer-first approach to build apps that are affordable, useful, and ready for real-world business.
- Tarun Kumar DasFounder and Owner
- Tanmay VermaCo-Founder
Our own product
Manage My Shop
A business-management app for small shop owners. It brings the daily running of a shop into one simple app, and it is built offline-first so it keeps working even without internet.
- InventoryTrack stock and know what is running low.
- SalesRecord sales quickly at the counter.
- ExpensesKeep every shop expense in one place.
- ReturnsHandle customer returns cleanly.
- InvoicesCreate invoices for your customers.
- ReportsSee how the business is doing at a glance.
How we work
A simple, transparent process
You see progress at every stage and stay in control of what gets built.
Understand
We learn how your business runs and agree on what the app must do.
Design
We sketch the screens and flows so you can see the app before it is built.
Build
We develop in small steps and share working versions for your feedback.
Launch
We help publish to Google Play and the App Store, and support you after release.
Let’s Build Your App
Tell us what your business needs. We will reply with honest advice on the best way to build it.
Email us about your projectOr write to tkd@rumitbytelogic.app