Software development guides for business & product teams
Clear answers for planning business software, MVPs, mobile products, connected SaaS platforms, estimates, and modernization without turning every question into a sales pitch.
Business Software
How to Know When Your Business Has Outgrown Spreadsheets
Practical signs that spreadsheets are becoming an operational risk, plus when to improve them, buy software, or build a custom system.
Read guideMVP & Product
What Should Be Included in an MVP?
A practical MVP scoping guide covering the core workflow, backend, accounts, admin, integrations, testing, security, and what to defer.
Read guideWhat to Prepare Before Asking for a Software Development Estimate
Prepare the business problem, users, workflow, must-haves, platforms, systems, integrations, data, priorities, and constraints needed for a useful estimate.
Read guideMobile Development
Mobile App vs Web App for a Business: How to Decide
Compare mobile and web applications by users, devices, offline needs, notifications, distribution, administration, and long-term ownership.
Read guideHow to Plan a Mobile App for an Existing Web Platform
Assess an existing web platform, backend, authentication, API coverage, mobile workflows, offline needs, notifications, and release planning.
Read guideCan a Mobile App Use an Existing Backend or API?
A technical planning guide to API coverage, authentication, authorization, uploads, realtime events, versioning, staging, and network reliability.
Read guideReact Native vs Native Apps for Business Software
A business-focused comparison of React Native and native mobile development across code sharing, platform features, performance, teams, and ownership.
Read guideSaaS & Architecture
How Web, Mobile, and Backend Systems Work Together
A plain-language architecture guide to databases, backend APIs, shared business rules, authentication, web clients, mobile clients, and admin tools.
Read guideCost & Modernization
What Determines the Cost of Custom Software?
Understand the scope and risk drivers behind custom software cost without relying on fabricated price ranges or feature-count shortcuts.
Read guideRewrite or Modernize Existing Software?
Compare incremental modernization with a full rewrite across risk, APIs, frontends, dependencies, data migration, staged rollout, and business continuity.
Read guideProduct notes
Launch context and design decisions from products built by FullStack Dev KZ.
Introducing TradesMate: business admin without the office
A launch note for TradesMate, an Android business app that keeps jobs, customers, quotes, invoices, payments, expenses, and team activity together.
Introducing StudyFlow: focused flashcards and spaced review
A launch note for StudyFlow, a local-first Android flashcard app with focused decks, spaced repetition, recall statistics, and study reminders.
Introducing PubPlay: a games-night system for pubs
A launch note for PubPlay, an Android tablet and web system for running darts, pool, bingo, tournaments, fixtures, scores, and live leaderboards.
Introducing ExpenseFlow: a simple Android expense tracker
A launch note for ExpenseFlow, a focused Android expense tracker for quick daily spending logs, monthly review, and category insight.
Introducing HabitFlow: a calm daily habit tracker
A launch note for HabitFlow, an Android habit tracker built around streaks, heatmaps, daily check-ins, and steady routines.
Introducing MeditationFlow: a quiet meditation timer
A launch note for MeditationFlow, a minimal Android meditation timer with breathing practices, reminders, stats, and private journal notes.
Introducing Momentum TODO: tasks, routines, and streaks
A launch note for Momentum TODO, a minimal productivity app for Android users who want tasks, routines, streaks, and offline storage.
Introducing Docs Scan OCR: private on-device scanning
A launch note for Docs Scan OCR Encrypt & Share, an Android scanner with on-device OCR, encrypted exports, and private document workflows.