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SOFTWARE / APPLICATIONS / BUSINESS SYSTEMS

Custom Software & App Development

Sometimes the software your business needs does not exist yet. We build web apps, iOS and Android applications, portals and internal systems around the way your business actually needs to work.

Solve the process. Build the system. Keep improving it.

Illustrative custom field-service scheduling application with calendar and job details on desktop and tablet
  • Connected workflowsBring your tools, data and people together.
  • Less manual workAutomate the repeated steps that slow you down.
  • Built around your usersMake the next action easier to complete.

UNDERSTAND THE SYSTEM

What Is Custom Software Development?

Start with the problem.
Not a predefined feature list.

Custom software development means designing and building around a specific business, workflow or product. It can connect the systems you already use, replace a painful process or become the product your customers pay for.

Web applicationsiOS & AndroidBusiness systems
Connected silver and translucent mint application modules representing custom software architecture

Web Applications & SaaS

Portals, booking platforms, marketplaces and subscription products accessed through a browser. Accounts, permissions and billing follow your product model.

iOS & Android Apps

Mobile applications for workflows that benefit from notifications, cameras, location, offline access or repeated use. Native or cross-platform depends on the requirements.

Internal Tools & Dashboards

Operations, scheduling, approvals, inventory and reporting organized around how your team works. Bring useful information into one place.

Portals, APIs & Automation

Give customers self-service access and connect CRM, payments, accounting and other platforms. Automate repeated steps where it creates useful value.

CUSTOM IS NOT AUTOMATICALLY BETTER

Buy it. Connect it.
Or build what is missing.

If an existing tool solves the problem well, use it. Custom development makes sense when your workflow needs more control, better integration or functionality the market does not offer.

  1. Buy or configureA standard product already fits the need.
  2. Integrate or automateThe tools work, but the handoffs do not.
  3. BuildThe workflow is unique, or software is the business.

WHY THE BUSINESS SHOULD CARE

Why Custom Software Matters

Give time back to the team

A 20-minute task repeated ten times a day, five days a week takes 16 hours and 40 minutes. That is one process before it is multiplied across staff and locations.

Illustrative calculation, not a promised saving.

Make the customer experience work harder

Booking, progress updates, documents, payments and account changes can become self-service. Useful onboarding and ongoing engagement can also support retention.

Acquisition is only part of the customer journey.

Connect the information behind decisions

Disconnected platforms create repeated entry, inconsistent records and slow reporting. A well-planned system defines who owns the data and how it moves.

Answer business questions without rebuilding the report.
Your processes eventually become your technology.

Custom software can fit your roles, rules and roadmap, but it also needs planning, testing, maintenance and ownership. We build when the problem deserves a build.

OUR THREE-STACK APPROACH

How Core Stackr Delivers Custom Software

Solve the process.
Build the system.

Define what mattersBuild & connectLaunch & improve

Core Stackr three-stack approach to software strategy, development and ongoing improvement
STACK 01

Product Strategy & Technical Foundation

Define what needs to happen.

A clear problem, useful scope and coherent architecture.
01

Discovery, workflow & build-versus-buy

Understand the work before writing the code.

  • Map users, tools, bottlenecks and business goals
  • Review whether to buy, configure, connect or build
  • Define the first useful version and its success measures
Inside the work
Map the real process

Follow the lead, approval, payment, operation and customer update. The workflow often exposes a problem before any development begins.

Keep version one useful

An MVP is the smallest useful version that solves the core problem and reaches real users. Prioritize essential actions and defer features that do not yet earn their place.

THE DELIVERABLE

A focused product brief and prioritized scope.

02

Architecture, data & permissions

Make the system coherent behind the screen.

  • Plan frontend, backend, databases, hosting and APIs
  • Define user roles, access and data ownership
  • Design security and maintainability from the beginning
Inside the work
Data and access

Identify the source of truth, sensitive information, retention needs and which roles can view or change each record. SaaS tenants need clear separation.

Security throughout

Plan authentication, authorization, storage, secrets, dependencies, logging and backups throughout delivery. Custom software is not automatically secure.

THE DELIVERABLE

An architecture matched to the product and its risk.

03

UX, interface design & prototypes

Prove the flow before the heavy build.

  • Map journeys, screens, actions and feedback
  • Design errors, loading and empty states
  • Prototype important workflows with user feedback
Inside the work
Design for actual users

A customer, employee and administrator need different views and actions. Focus each experience on the task it needs to complete.

Change early

Prototypes let teams evaluate navigation and feature logic before investing in production engineering. Validate assumptions rather than decorating a wish list.

THE DELIVERABLE

A usable interface and validated interaction plan.

STACK 02

Build, Integrate & Automate

Turn the plan into working software.

Connected web, mobile and business systems.
04

Web applications, SaaS & portals

Build around the business model.

  • Develop portals, dashboards and operational platforms
  • Support organizations, roles, subscriptions and billing
  • Connect onboarding, administration and self-service
Inside the work
SaaS foundations

Plan user accounts, organizations, tenant boundaries, subscriptions, usage, notifications and administration. Billing should match what customers actually pay for.

Internal and client systems

Operations teams may need scheduling, inventory, approvals and reports. Customers may need documents, messages, payments, bookings and status tracking.

THE DELIVERABLE

A working application around the agreed workflow.

05

iOS, Android & cross-platform apps

Choose the platform around the product.

  • Evaluate device features, offline use and performance
  • Build for relevant phones, tablets and screen sizes
  • Plan privacy, accessibility and store requirements
Inside the work
Native or shared code

Cross-platform can suit shared functionality. Native development may suit deep platform integration or specialized hardware needs. Neither is a universal winner.

Mobile quality

Account for notifications, camera or location access where needed, plus authentication, adaptive layouts, performance and device testing.

THE DELIVERABLE

A mobile experience fitted to its users.

06

APIs, integrations & automation

Make existing systems work together.

  • Connect CRM, payments, accounting and industry tools
  • Design APIs, webhooks and reliable data flows
  • Automate repeated work with appropriate safeguards
Inside the work
Integration readiness

Review available APIs, authentication, rate limits, data formats and failure behaviour before promising a connection. Systems such as Stripe, HubSpot, Salesforce, QuickBooks or Xero have different constraints.

Automate useful work

Trigger tasks, documents, notifications, approvals and updates where the process is understood. AI can support extraction, search or assistance when it solves a real need.

Protect the interface

APIs expose business functions and data. Authorization, input handling, error management and third-party dependencies need deliberate design.

THE DELIVERABLE

Connected workflows with fewer manual handoffs.

STACK 03

Launch, Adoption & Improvement

Put it in front of real users.

Test, measure, support and improve from evidence.
07

Testing, deployment & app-store launch

Work beyond the perfect demo.

  • Test journeys, permissions, inputs and integrations
  • Prepare production, monitoring, backups and releases
  • Support App Store and Google Play submission where needed
Inside the work
Quality assurance

Test relevant browsers, devices, errors, performance and regressions. Include role boundaries and failure paths, not only the happy path.

Release readiness

Prepare hosting, databases, configuration, signing and store materials as appropriate. Store review is external and approval cannot be guaranteed.

THE DELIVERABLE

A tested release with a clear deployment process.

08

Analytics, adoption & retention

Learn from what people actually use.

  • Track activation, useful features and drop-off
  • Collect user feedback and support patterns
  • Improve onboarding and recurring customer value
Inside the work
Measure the right actions

Depending on the product, measure signups, activation, transactions, retention, errors and meaningful feature use. Downloads alone may not explain value.

Build the next rep

Combine observed behaviour with feedback. Prioritize improvements that remove friction or support useful repeat engagement.

THE DELIVERABLE

A product scorecard and evidence-led roadmap.

09

Monitoring, support & handover

Keep the system understandable and reliable.

  • Monitor errors, jobs, APIs and application health
  • Plan fixes, updates, integrations and scaling
  • Document architecture, deployment and dependencies
Inside the work
After launch

Maintenance, platform changes and new requirements continue. Set responsibilities and response expectations around how critical the system is to the business.

Clarity and ownership

Document key logic, access, infrastructure and release procedures. Define code, design, data, licenses and account ownership in the agreement before work begins.

THE DELIVERABLE

An agreed support model and practical handover.

Security reference: NISTโ€™s Secure Software Development Framework describes integrating secure practices throughout the software lifecycle.

REAL BUSINESS APPLICATIONS

Custom Software & App Development Case Studies

Software should make
the business system stronger.

Global Online Therapy Business

THE STARTING POINT
An online therapy business serving English-speaking markets needed stronger engagement after customer acquisition.
WHAT WE BUILT
Developed a custom application to support the ongoing client experience.
  1. Before65%

    Client retention

  2. After91%

    Client retention

The application supported engagement and retention within the wider customer experience.

Licensed Global FinTech Business

THE STARTING POINT
An internationally operating Canadian money-services business needed a product across multiple platforms.
WHAT WE BUILT
Developed web, iOS and Android applications alongside website, technical SEO, authority and digital PR work.
  1. Platforms3

    Web, iOS and Android

  2. 12 months+174%

    Revenue in the wider engagement

Core commercial rankings moved from approximately positions 7โ€“12 to 1โ€“3 within 11 months. Revenue reflects the wider growth engagement, not the application alone.

Financial Company Internal Software

THE STARTING POINT
The business competed with larger financial brands and needed stronger systems behind customer acquisition.
WHAT WE BUILT
Combined a website rebuild, SEO architecture and conversion improvements with a custom internal application.
  1. DeliveryWeb + app

    Acquisition and internal systems

  2. Year 1+137%

    Lead inflow

Lead growth reflects the combined website, search and technology engagement, rather than the internal application alone.

Artem V., founder of Core Stackr

THE PERSON BEHIND THE PROCESS

Build the right thing.
Then do the next rep.

I come from an athletic background. Software is still reps, but bad reps become bad code quickly.

I do not want our team building 40 features just because they are on a wish list. Understand the problem. Map the workflow. Build the useful version, test it with real users and improve it.

Your users become our scoreboard. Adoption, retention and time saved tell us whether the work is doing its job. That mindset runs through the whole team.

Meet the whole team
Artem V.โ€™s signature

Artem V.Founder, CEO

CLEAR SCOPE / USEFUL SOFTWARE

Custom Software & App Development Pricing

A focused automation tool and a multi-platform product are different builds. We scope the problem, workflow and first useful version before recommending the investment.

START WITH CLARITY

Product Discovery & Technical Blueprint

Define the workflow, features, user roles, MVP, architecture and integrations. Leave with a phased roadmap and a build estimate.

From $2,500USD / discovery project

For approved larger builds, part or all of discovery may be credited toward development.

01 / PROJECT BUILD

Automation & Internal Tools

From $7,500USD / project

Remove manual work and connect internal processes.

  • Workflow automation & approvals
  • Dashboards, reporting & admin tools
  • CRM extensions, APIs & data sync
02 / PROJECT BUILD

Web Applications & Client Portals

From $15,000USD / project

Browser-based software around your customer or team workflow.

  • Accounts, permissions & documents
  • Bookings, payments & management
  • Reporting, APIs & integrations
03 / PROJECT BUILD

SaaS & MVP Development

From $25,000USD / project

Build the first useful version of a software product.

  • Product UX & SaaS architecture
  • Tenants, accounts & subscriptions
  • Admin, analytics & production launch
04 / PROJECT BUILD

Mobile App Development

From $30,000USD / project

iOS, Android or both, fitted to how people use the product.

  • Mobile UX, accounts & notifications
  • Device features, payments & backend
  • Native or cross-platform delivery
05 / PROJECT BUILD

Advanced Multi-Platform Software

From $60,000USD / project

Connect web, mobile and operations in one larger system.

  • Web, iOS, Android & administration
  • Complex data, roles & integrations
  • Security, reporting & infrastructure
06 / PROJECT BUILD

Enterprise Software

Custom scopeProposal based on requirements

Complex systems planned and delivered in phases.

  • Legacy systems & enterprise integrations
  • High-volume data & complex permissions
  • Multiple teams, countries & applications

Starting prices in USD, not fixed quotes. Platforms, users, permissions, integrations, data, design, security, scale and existing systems determine the final scope. Your proposal confirms deliverables, hosting and third-party costs.

01 ยท Discovery02 ยท UX & architecture03 ยท Core build04 ยท Testing & launch05 ยท Learn & improve

AFTER LAUNCH

Ongoing Software Support & Development

Choose the support model around how critical the software is and how quickly it needs to evolve.

Maintenance & Support

From $750USD / month

Monitoring, bug fixes, security and dependency updates, compatibility and routine technical support.

Continuous Development

$2,500โ€“$7,500USD / month

New features, UX improvements, integrations, automation, performance, analytics and mobile updates.

Dedicated Product Development

$8,000+USD / month

An ongoing mix of product, UX, frontend, backend, mobile, QA and infrastructure work.

Build what creates value.

If an existing platform fits, use it. If two tools need connecting, start there. We recommend custom development when the problem deserves it.

Request a Technical Consultation

CLEAR ANSWERS

Frequently Asked Questions About Custom Software Development

What does custom software and app development include?

Custom development turns business requirements into web, mobile or internal applications. Delivery can include discovery, UX, architecture, frontend and backend development, testing, deployment and support. The product is scoped around the workflow or customer problem it needs to solve.

When should I build custom software instead of buying a tool?

Consider custom software when existing tools cannot support important workflows, integrations or differentiating features. Off-the-shelf products usually offer faster setup and lower upfront cost. Compare the business benefit with build, maintenance and support responsibilities before deciding.

Can you build a web application, SaaS product or MVP?

Yes. We can build web applications and SaaS products with accounts, roles, billing, dashboards and APIs where required. An MVP focuses on the smallest useful feature set that reaches real users, so later development follows evidence rather than assumptions.

Can you build iOS and Android apps?

Yes. A project can cover either platform or both. Cross-platform development can suit shared functionality; native development may suit deeper device integration or specialized performance. We choose after reviewing features, usability and long-term maintenance needs.

Can you build portals, dashboards and workflow automation?

Yes. We can connect operational data and build tools for documents, scheduling, approvals, reporting or customer self-service. Access, notifications and integrations follow the actual workflow. The aim is to reduce manual work and make useful information easier to act on.

Can you integrate our existing software through APIs?

Often, yes. APIs and webhooks let systems exchange data or trigger actions. We review available access methods, limitations, authentication and permissions before designing a connection. Reliability and appropriate data handling are part of the integration scope.

Can custom software include AI?

Yes, where useful. Examples include document extraction, search, classification, recommendations and internal assistants. We assess accuracy, data handling and the need for human review.

Is custom software secure?

Being custom does not automatically make software secure. Architecture, access controls, dependencies, data handling, testing and monitoring all matter throughout development.

Who owns custom software?

Ownership is defined in the development agreement. It should cover source code, designs, repositories, data, hosting, licenses, app-store accounts and documentation.

How long does custom software development take?

Timing depends on scope, platforms, integrations, data, design, testing and approvals. We define the first useful version before committing to a delivery plan.

How much does custom software development cost?

Starting prices are $2,500 USD for discovery, $7,500 for focused internal tools, $15,000 for web apps, $25,000 for SaaS MVPs, $30,000 for mobile apps and $60,000 for advanced systems. Features, integrations and testing determine the final quote. Enterprise projects are scoped individually.

What should I look for in a development company and proposal?

Look for clear discovery, quality assurance, security practices and ownership terms. The proposal should define features, platforms, deliverables, stages, assumptions, costs, testing, support and exclusions. Ask how changes are handled and how the finished productโ€™s business value will be assessed.

Do you provide support after launch?

Yes, with an agreed support model. It can cover fixes, updates, monitoring, security work, performance, integrations and continued development.

Can you take over an existing application?

Potentially. We review the code, architecture, documentation, dependencies, data, hosting and deployment process before recommending extension or partial rebuilding.

YOUR NEXT STEP

Have a process, product or problem software could solve?

Silver application window with a restrained mint refresh arrow representing product improvement
YOUR NEXT USEFUL VERSION

Discuss Your Custom Software Project

Map the problem. Scope the first version. Build the system.

  1. 01Find where teams lose time and customers get stuck
  2. 02Identify the workflows and systems that need to connect
  3. 03Define what success and the first release look like
Discuss Your Software Project

Web. iOS. Android. SaaS. Portals. Internal systems.