Tech Box guides

Make better decisions before you invest in technology

Practical answers about cost, scope, technology, and risk across custom software, mobile apps, and AI automation.

01

Costs, Hiring & Planning

Budgets, timelines, requirements, and how to choose the right development partner.

How to Hire a Software Development Company: A Step-by-Step Guide

Learn how to hire a software development company: where to look, the 12 questions to ask, red flags to avoid, and how to compare proposals before signing.

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How to Outsource Software Development Without Losing Control

A practical guide to outsourcing software development: models, destinations, costs, contracts, and how to manage an external team without losing control.

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How Long Does It Take to Develop an App?

App development takes 3–4 months for an MVP and 6–12+ months for complex products. See phase-by-phase timelines and what actually causes delays.

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How to Write a Software Requirements Document (With Template)

Write a software requirements document (SRS) that gets accurate quotes and prevents scope disputes: structure, examples, and a practical template.

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How to Build an MVP: From Idea to Launch in 90 Days

How to build an MVP (minimum viable product): scope the one core workflow, choose the fastest stack, build in 6–12 weeks, and launch to real users. Full process inside.

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How to Protect an App Idea Before and During Development

Worried about someone stealing your app idea? Learn what NDAs actually cover, what you can and can't protect legally, and the practical steps that matter most.

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How much does custom software development cost in 2026?

See realistic custom software development costs in euros, from discovery to integrated platforms, plus timelines, cost drivers, and budgeting advice.

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Custom software vs off-the-shelf: which should you choose?

Compare custom and off-the-shelf software by five-year cost, process fit, integrations, ownership, risk, and migration path before choosing an approach.

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How much does it cost to build a mobile app in 2026?

See realistic mobile app development costs in euros for prototypes, focused iOS and Android products, backends, integrations, launch, and maintenance.

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02

Building Mobile & Web Apps

Step-by-step guides for creating apps — from first idea to the app stores.

How to Create an App in 2026: From Idea to Launch in 9 Steps

Learn how to create an app from scratch: validate the idea, design the UX, choose native or cross-platform, build, test, and launch on the App Store and Google Play.

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How to Make an App Without Coding — and When You Shouldn't

Build an app without coding using no-code platforms — and learn exactly where no-code works, where it breaks, and when custom development pays off instead.

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How to Make an iOS App: The Complete 2026 Guide

How to make an iOS app for iPhone and iPad: Swift vs cross-platform, Xcode setup, Apple's design guidelines, App Store review, and realistic costs and timelines.

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How to Make an Android App: The Complete 2026 Guide

How to make an Android app: Kotlin and Jetpack Compose vs cross-platform, Google Play publishing, testing across devices, and realistic costs and timelines.

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How to Build a Web Application: A Step-by-Step Guide

How to build a web application from planning to deployment: architecture, tech stack choices, development phases, security, and realistic costs for 2026.

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How to Build a SaaS Product: From Idea to First Paying Customers

How to build a SaaS product in 2026: validation, multi-tenant architecture, subscription billing, MVP scope, launch, and the metrics that decide survival.

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How to Build a Marketplace App: The Two-Sided Platform Guide

How to build a marketplace app: supply-demand strategy, payments and escrow, trust features, MVP scope, and realistic costs for two-sided platforms in 2026.

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How to Build an E-commerce App That Actually Converts

How to build an ecommerce app: platform vs custom decisions, checkout and payments, cart recovery, loyalty features, and realistic costs for 2026.

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How to Build a Booking App or Scheduling System

How to build a booking app: availability engines, calendar sync, payments and deposits, reminders, and no-show reduction — with 2026 costs and build options.

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How to Make a Fitness App: Features, Costs, and Strategy

How to make a fitness app in 2026: workout and tracking features, wearable integrations, gamification, subscription models, and realistic development costs.

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Native vs cross-platform app development: how to choose

Compare Swift and Kotlin with Flutter and React Native by performance, device access, UX, team structure, delivery speed, and long-term maintenance cost.

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03

Platforms, Systems & Growth

CRMs, internal tools, AI, automation, launch, and keeping software healthy.

How to Build a Custom CRM (And When It Actually Pays Off)

How to build a custom CRM: when custom beats Salesforce or HubSpot, the build process, data migration, and realistic 2026 costs for CRM development.

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How to Build Internal Tools That Replace Spreadsheet Chaos

How to build internal tools and dashboards: finding the highest-ROI process, build options from low-code to custom, and costs of replacing spreadsheet chaos.

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How to Build an AI App in 2026: A Practical Guide

How to build an AI app: choosing models and APIs, RAG for your own data, agents, cost control, evaluation, and what AI features really cost to ship well.

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How to Automate Business Processes with Software

How to automate business processes: finding automation candidates, choosing between Zapier, RPA, and custom workflow software, and measuring the ROI.

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How to Validate an App Idea Before You Spend a Euro on Development

How to validate an app idea in weeks, not months: problem interviews, landing page tests, concierge MVPs, and the signals that justify (or kill) development.

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How to Design an App: The UX/UI Process from Flows to Final UI

How to design an app users love: UX research, user flows, wireframes, design systems, prototyping, and usability testing — the professional process explained.

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How to Choose a Tech Stack for Your App (Without Regret)

How to choose a tech stack in 2026: the decision criteria that matter, sane defaults for web and mobile, and the expensive mistakes to avoid.

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How to Monetize an App: The Models That Actually Work

How to monetize an app: subscriptions, freemium, in-app purchases, ads, and B2B licensing compared — with pricing strategy and store commission math.

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How to Launch an App: From Store Submission to First 1,000 Users

How to launch an app successfully: store submission, ASO, beta testing, launch-week playbook, and the post-launch metrics loop that compounds growth.

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Legacy Software Modernization: How to Upgrade Without Betting the Company

How to modernize legacy software without a risky big-bang rewrite: assessment, strangler-fig migration, data strategy, and realistic modernization costs.

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App Maintenance Costs: What to Budget After Launch (2026)

App maintenance costs 15–25% of build cost per year. See what's included — updates, hosting, monitoring, OS changes — and how to budget post-launch.

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How much does AI automation cost in 2026?

See realistic AI automation costs in euros for audits, prototypes, production workflows, and multi-system delivery, including recurring model and hosting fees.

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12 business processes worth evaluating for AI automation

Evaluate 12 practical business processes for AI automation using volume, repeatability, data, risk, integration effort, human review, and measurable value.

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Software Development Guides: Costs, Apps & AI | Tech Box