How long does it take?

Websites usually take 2–3 weeks. Web and mobile apps take 6–10 weeks depending on features. You get a demo every two weeks.

Do I own the source code?

Yes. When the final payment is made, the source code and all project assets belong to you.

Do you provide hosting and maintenance?

Yes. We offer monthly support plans that include hosting, backups, security updates and small changes.

Can you work with clients outside Sri Lanka?

Yes. We work remotely with clients in any time zone and communicate by video call, email and WhatsApp.

How do payments work?

Usually 40% to start, 40% at the beta demo and 20% at launch. Larger projects can be split by milestone.

NEWLaunching ගැටලු Platform — problems in, solutions out

We turn real problems into software that works.

OneZeroHub is a Sri Lankan product studio building custom software, mobile apps, IoT systems, desktop apps and browser extensions — from first idea to launch and beyond.

Start a project See our work

Projects delivered: [X]+; Projects delivered
Building software: [Y] yrs; Building software
Countries served: [Z]; Countries served

Custom software & IoTBuilt in Colombo, for businesses everywhere

Trusted by [X]+ businesses across Sri Lanka and beyond

ClientClientClientClientClientClientClientClientClientClientClientClientClientClientClientClient

What we build

Six ways we turn ideas into products

One team for everything from the browser to the circuit board.

All services

Custom software & web apps

ERP, POS, booking and workflow systems built around how your business actually works.

ReactNodePostgreSQL

Estimate my project →See case studies

Mobile apps

Fast, offline-friendly Android and iOS apps your customers will keep.

FlutterReact Native

Estimate my project →See case studies

IoT solutions

Sensors, automation and dashboards — from ESP32 firmware to cloud alerts.

ESP32MQTTGSM

Estimate my project →See case studies

Websites, UI/UX & SEO

Modern, fast websites designed to rank on Google and convert visitors.

Next.jsFigmaSEO

Estimate my project →See case studies

Chrome extensions

Browser tools that automate repetitive work for your team or users.

Manifest V3TypeScript

Estimate my project →See case studies

Desktop applications

Reliable Windows, macOS and Linux apps — online or fully offline.

ElectronTauri.NET

Estimate my project →See case studies

Industries we serve

We know your industry’s problems

Software that fits how your business actually runs — not a generic template.

AgricultureAgricultureWater & soil sensors, farm records, crop alerts

RetailRetail & wholesaleMulti-branch POS, stock sync, loyalty

EducationEducationFee tracking, class apps, online exams

HealthcareHealthcareClinic queues, records, reminders

HospitalityHospitality & tourismBooking systems, menus, guest apps

LogisticsLogistics & manufacturingDelivery tracking, machine monitoring

Our product

ගැටලු Platform

People across Sri Lanka tell us their everyday problems in Sinhala, Tamil or English. We group similar problems, measure demand, and build the software or IoT solution that fixes them.

සිංහල Tamil English

5-step guided form with voice notes
Demand clustering — build once, solve for many
PDPA-ready privacy by design

Tell us your problem How it works

Case studies

Work that moved the needle

Real projects for real businesses — what the problem was, what we built, and what changed.

View all work

Agriculture · iot solutions

Smart paddy water monitor

How we built a low-cost IoT system that tells paddy farmers their water level by SMS — so they only visit the field when it matters.

2 hrs

saved per farmer, per day

farms using the system

Read case study →

Retail · custom software

Multi-branch POS

Stock that syncs across three branches — even when the internet drops.

[+X%]

key metric

[Y wks]

to launch

Read case study →

Education · mobile apps

Tuition fee tracker app

Parents get fee reminders by SMS and the institute knows who has paid.

[+X%]

key metric

[Y wks]

to launch

Read case study →

How we work

From idea to launch in four clear steps

Fixed milestones, weekly demos, and no surprises on your invoice.

011 week

Discover

We understand your problem, users and budget — free consultation.

021–2 weeks

Design

Wireframes and a clickable prototype you can test before we code.

034–12 weeks

Build

Two-week sprints with a live demo at the end of each one.

04Ongoing

Launch & support

Deployment, training and ongoing maintenance plans.

01DiscoverFree consultation · 1 week

02DesignClickable prototype · 1–2 weeks

03BuildTwo-week sprints with demos

04Launch & supportDeploy, train, maintain

Packages

Clear starting prices

Every project is quoted after a free consultation. These are typical starting points.

Starter website

For small businesses that need to be found on Google.

fromLKR 50,000

Up to 6 pages, mobile-first
Basic SEO + Google Business setup
Contact form + WhatsApp button
2–3 weeks delivery

Choose Starter website

Business web app

IoT pilot

Prove an IoT idea with a small real deployment.

fromLKR 180,000

Up to 5 sensor devices
SMS / app alerts
Live dashboard
Field installation & training

Choose IoT pilot

Add a monthly support & maintenance plan from LKR [X,000]/month — hosting, backups, updates and fixes.

Cost estimator

Get an instant price range

Answer four quick questions. No sign-up needed to see the estimate.

1What do you need?

2Which features?

3Design level

4Timeline

Instant estimate · no sign-up

YOUR ESTIMATE

LKR 350k – 520k

Estimated timeline: 6–8 weeks

Web app base150k – 290k
4 features+ 140k
Custom design× 1.20
Standard timeline× 1.00

Book a free consultation

Indicative range only. We confirm a fixed quote after a free 30-minute consultation.

Technologies we use

ReactNext.jsNode.jsTypeScriptFlutterReact NativePythonPostgreSQLSupabaseElectronTauri.NETESP32MQTTDockerAWSFigmaChrome MV3

Web Mobile Backend Desktop IoT Cloud Design & extensions

FAQ

Questions we hear every week

Replies within the hour

Still have a question?

Message us on WhatsApp — we usually reply within the hour during working days.

Chat on WhatsApp

Most websites start from LKR 50,000 and custom web apps from LKR 150,000. Use the cost estimator for an instant range — we confirm a fixed quote after a free consultation.

Replies within the hour

Still have a question?

Message us on WhatsApp — we usually reply within the hour during working days.

Chat on WhatsApp

Business owner and developer shaking hands

Reply within one working day

Start a project

Have a problem worth solving?

Tell us about it. We reply within one working day with next steps and a rough estimate — free.

Emailhello@onezerohub.com Phone / WhatsApp+94 75 697 4718

Office[Address, City], Sri Lanka

Reply within one working day

or chat on WhatsApp [+94 75 697 4718]