https://skad.com.br/en/blogPractical guides on legacy system modernization, cost, timelines and software and app development, written by the SKAD team.enhttps://skad.com.br/en/blog/refactor-or-rewrite-systemhttps://skad.com.br/en/blog/refactor-or-rewrite-systemWed, 28 Oct 2026 14:34:32 GMTModernizationRefactor or rewrite? See the risks of a full rewrite, when it pays off, and a step-by-step decision roadmap for business owners and IT managers.https://skad.com.br/en/blog/software-development-sao-jose-dos-camposhttps://skad.com.br/en/blog/software-development-sao-jose-dos-camposWed, 28 Oct 2026 14:34:29 GMTSoftware in the RegionSoftware development in São José dos Campos: local or remote, project types, stages through maintenance, and how to evaluate a vendor.https://skad.com.br/en/blog/custom-software-development-costhttps://skad.com.br/en/blog/custom-software-development-costSat, 24 Oct 2026 13:35:27 GMTCosts and timelinesCustom software development cost explained: what drives the price, how to compare quotes, avoid overruns and start small without risk.https://skad.com.br/en/blog/legacy-system-modernizationhttps://skad.com.br/en/blog/legacy-system-modernizationSat, 24 Oct 2026 13:34:01 GMTModernizationA guide to legacy system modernization: warning signs, strategies, what AI really does, cost, and how to migrate in stages without stopping operations.https://skad.com.br/en/blog/whatsapp-charges-per-reply-own-apphttps://skad.com.br/en/blog/whatsapp-charges-per-reply-own-appFri, 23 Oct 2026 21:29:52 GMTBusinessMeta now charges for support replies on the WhatsApp API. Run the numbers to see when building your own app truly pays off, and when it's overkill.https://skad.com.br/en/blog/ai-agents-system-readinesshttps://skad.com.br/en/blog/ai-agents-system-readinessThu, 22 Oct 2026 14:15:12 GMTTechnologyGoogle and Microsoft are already talking about AI agents that act inside business systems. See what to adjust in your app or system: API, permissions, logs and limits.https://skad.com.br/en/blog/ai-in-your-app-questions-before-payinghttps://skad.com.br/en/blog/ai-in-your-app-questions-before-payingTue, 20 Oct 2026 18:53:44 GMTProduct and DesignAdding an AI assistant to your app can pay off big or become a fixed cost with no return. Learn how to decide, what to test, and where AI tends to fail.https://skad.com.br/en/blog/ai-built-app-security-flawshttps://skad.com.br/en/blog/ai-built-app-security-flawsMon, 19 Oct 2026 16:23:14 GMTTechnologyApps built with vibe coding get done fast, but they often fail on login and permissions. Here's what to test before you put real users inside.https://skad.com.br/en/blog/pix-changes-what-to-review-in-your-apphttps://skad.com.br/en/blog/pix-changes-what-to-review-in-your-appThu, 15 Oct 2026 13:54:54 GMTTechnologyThe R$ 500 limit is gone, Resolution 587 changed fraud rules, and hybrid billing is coming. Here's what to review in your app's payments before 2027.https://skad.com.br/en/blog/native-hybrid-or-pwa-apphttps://skad.com.br/en/blog/native-hybrid-or-pwa-appTue, 13 Oct 2026 20:14:49 GMTTechnologyLearn the differences between native, hybrid, and PWA apps, compare cost, performance, and timeline, and find out which one makes the most sense for your business.https://skad.com.br/en/blog/prototype-mvp-final-product-differencehttps://skad.com.br/en/blog/prototype-mvp-final-product-differenceFri, 09 Oct 2026 14:53:33 GMTIdea ValidationLearn what a prototype, an MVP, and a final product are, when to use each stage, how cost and risk change, and how to choose the right starting point for your idea.https://skad.com.br/en/blog/what-is-an-app-prototypehttps://skad.com.br/en/blog/what-is-an-app-prototypeWed, 07 Oct 2026 04:17:13 GMTIdea ValidationLearn what an app prototype is, what types exist, and why testing it before you program helps cut costs, timelines, and rework.https://skad.com.br/en/blog/own-delivery-app-leave-marketplaceshttps://skad.com.br/en/blog/own-delivery-app-leave-marketplacesSat, 03 Oct 2026 17:43:18 GMTBusinessLearn how to build your own delivery app, what it needs to include, how to attract customers without a marketplace, and which mistakes to avoid before investing.https://skad.com.br/en/blog/how-long-does-it-take-to-develop-an-app-2https://skad.com.br/en/blog/how-long-does-it-take-to-develop-an-app-2Sat, 03 Oct 2026 17:42:08 GMTCosts and timelinesFind out how long it takes to develop an app, which phases make up the timeline, and what slows a project down or speeds it up in practice.https://skad.com.br/en/blog/how-to-validate-an-app-ideahttps://skad.com.br/en/blog/how-to-validate-an-app-ideaSat, 03 Oct 2026 17:40:35 GMTIdea ValidationA step-by-step guide to validating an app idea before investing in development: the problem, the audience, low-cost tests and a clickable prototype.https://skad.com.br/en/blog/how-much-does-it-cost-to-build-an-app-in-brazilhttps://skad.com.br/en/blog/how-much-does-it-cost-to-build-an-app-in-brazilSat, 03 Oct 2026 17:34:49 GMTCosts and timelinesFind out how much it costs to build an app in Brazil, what drives the price up or down, and how to request a comparable quote before you hire a team.