Custom software development, AI integration & app maintenance

Your technology partner for web, mobile, AI and maintenance.

sphereofdevs is a software development company. We build custom web applications, AI-powered features and business automation - and take over existing applications to keep them fast, secure and affordable to maintain.

TRUSTED BY
triperinosalegencywdzydzanin
TECHNOLOGIES
Angular Node.js React Vue Ionic

PRICING

Open pricing for the four things we do

Every price below belongs to one of our four services. Scope and price are agreed before the first line of code, and the number in the offer is the number on the invoice.

Web application development

from €170

net · fixed scope · Delivery: 7-30 days

Simple one-page landings, full landing pages, corporate sites with CMS, WordPress + WooCommerce shops, plus custom web applications in Angular, React or Vue when you outgrow a template stack.

  • Simple landing page (only one page)€1707 days
  • Landing page (up to 5 pages)from €3207 days
  • Corporate website with CMS (up to 5 pages)from €48014 days
  • WordPress + WooCommerce shopfrom €52010-21 days
  • Custom web application or MVP with backend (Angular, React or Vue)from €1 180about 30 days
See what's included →

Business process automation

from €170

net · per process · Delivery: 2-10 days

Bots, scrapers, API integrations and multi-system pipelines that take repetitive work off your team - with monitoring included from day one.

  • Single automation or integration between two toolsfrom €1702-5 days
  • Bot or scraperfrom €3505-10 days
  • Multi-step pipelinefrom €820about 2 weeks
  • Monitoring and alerting for every automation we shipincludedfrom day one
See what's included →

Application maintenance & support

from €280

net / month · Delivery: start within 5 days

We take over an existing application and cut the cost of running it: bug fixes, security updates, small features and background modernization under a clear SLA.

  • Care plan - 10 h/month, critical response under 24 h€280 / monthstart in 5 days
  • Growth plan - 25 h/month, small features included€640 / monthstart in 5 days
  • Scale plan - 50 h/month with a modernization roadmap€1 170 / monthstart in 5 days
  • Work outside a plan, billed hourlyon requeston request
See what's included →

Fixed scope, fixed price

We agree on scope, architecture and timeline before development starts, so the estimate does not move mid-project.

Payment split 50/50

Half of the fee books your start date, the rest is due after the work is deployed and accepted.

2 revision rounds + 30-day warranty

Two rounds of changes are part of every fixed-price package, followed by 30 days of warranty after handover.

Your code, your IP

Repository, code and intellectual property are transferred to you. AIDT, our AI delivery platform, is included at no extra cost.

SERVICES

Custom software development services

From new web applications to AI integration, process automation and long-term maintenance - one team, one standard of quality.

Business process automation

Bots, scrapers, API integrations and multi-system pipelines that give your team hours back every day.

Explore process automation →

Application maintenance & support

We take over existing web apps and cut the cost of running them: bug fixes, security updates, monitoring and documentation.

Explore application maintenance →

WHO WE WORK WITH

A technology partner for startups, small businesses and growing teams

Six situations we solve most often - in English and Polish, remote-first, with a fixed scope and a fixed price.

Startups building an MVP

Custom web or mobile app from idea to launch in about 30 days: product scoping, architecture, development and deployment - code and IP stay with you.

See how we help →

Small businesses that need a landing page

One-page landing from 700 PLN net in 7 days, multi-page landing pages and corporate websites with a CMS you can edit yourself.

See how we help →

Companies looking for a technology partner

One team for web, mobile, AI and automation that plans with you, answers within 24 hours and grows the product release after release.

See how we help →

Teams that need support now

Bug fixes, security updates and production incidents handled under an SLA - response to critical issues in under 24 hours.

See how we help →

Businesses that need a custom web or mobile app

Angular, React, Vue and Ionic applications, CRM and ERP systems, customer portals and mobile apps published on the App Store and Google Play.

See how we help →

Owners of systems built by someone else

We take over existing applications, document them, modernise them step by step and cut the monthly maintenance cost by 30-50%.

See how we help →

WEB APPLICATION DEVELOPMENT

Custom web application development

We design and build custom web applications around the way your business actually works - from customer-facing websites to internal management systems such as CRM and ERP.

Our engineers work with modern frameworks including Angular, React and Vue, and we build for maintainability from day one so your application stays affordable to run.

Talk to us about your web application →

40%

Average cost reduction reported by clients after AI integration

3x

Faster time-to-market with AI-assisted development workflows

AI INTEGRATION & AUTOMATION

AI integration & process automation services

Integrating AI into your product doesn't just add features - it fundamentally changes how much your team needs to do manually. From automating support to generating content, AI replaces hours of manual work with seconds of compute.

How AI reduces your costs

  • Automate repetitive tasks - cut the manual workload where it hurts most
  • Ship features faster - AI-assisted development cuts build time significantly
  • Scale without hiring - AI handles volume that would otherwise need a bigger team

Beyond AI, we automate business processes end to end - bots, scrapers, API integrations and multi-system pipelines - so your team spends its time on work that matters.

Discuss your AI or automation project →

APPLICATION MAINTENANCE

Application maintenance and support services

We take over existing web apps and reduce the total cost of running them - using modern stacks and AI-assisted workflows that legacy teams simply don't have.

30-50%

Lower monthly maintenance cost

< 24h

Response time for critical issues

3x

Faster delivery with AI-assisted workflows

Bug fixes & patches

Production issues handled within an agreed SLA.

Security & dependency updates

CVE monitoring, framework upgrades, deprecated API migration.

Modernization in the background

Incremental refactors to current Angular, React, and Node versions.

Small features & iterations

Allocated dev hours each month for small improvements.

Monitoring & performance

Sentry, uptime, Core Web Vitals monitoring.

Documentation & handover safety

Ensuring a healthy, documented codebase.

Modern stack

Latest frameworks to reduce cost and bugs.

AI-assisted work

Code review, test generation, and refactors in minutes.

Lower rates. Great quality.

Delivering commitments with lower overhead.

OUR PLATFORM · AIDT

AIDT: the AI Development Team behind every project

AIDT is the platform we run our projects on. It structures your project's knowledge so AI remembers it, tracks tests and pages, and gives us agents for every role - so delivery is faster and maintenance stays affordable.

Explore AIDT →

Project memory for AI

Requirements, decisions and history are structured, so AI never starts from zero.

Agents for every role

Developer, PO, PM, QA, Designer and Marketing, built from your project.

Tests, pages & blockers

Track what is covered, what is missing and what is blocked.

Roadmaps, AI tasks & CLI

Generate plans and tasks, and run everything from the command line.

PROCESS

How we deliver custom software projects

01

Discovery

A short call to understand your goals, your users and your constraints.

02

Design & plan

We agree on scope, architecture and timeline before a line of code is written.

03

Build

Iterative delivery with AI-assisted workflows, so you see real progress early.

04

Launch & support

We ship, monitor and stay on hand - from small fixes to full maintenance.

FAQ

Custom software development FAQ

What does a custom software development company do?

It designs, builds and maintains software made specifically for your business - web applications, management systems such as CRM and ERP, and integrations - instead of adapting an off-the-shelf product.

How can AI integration reduce software costs?

AI can take over repetitive work such as support requests and content generation, and it speeds up development itself. Our clients report an average cost reduction of 40% after AI integration.

What is included in application maintenance?

Bug fixes and patches, security and dependency updates, background modernization, small features, monitoring and performance checks, and documentation that stays current.

How quickly do you respond to critical issues?

Our response time for critical issues is under 24 hours, agreed as an SLA in your maintenance plan.

Get a free 30-minute audit of your application

We'll show you 2-3 specific things in your codebase or infrastructure that are quietly costing you money.

CONTACT

Contact sphereofdevs

Tell us about your landing page, web or mobile app, AI feature or the system you need help with. We reply within 24 hours on business days with next steps.

EMAIL

contact@sphereofdevs.com

PHONE

+48 533 286 714

Send a message