--- title: "Legacy App Modernization Services | Softpers" description: "Upgrade old, slow or fragile software so it's faster, safer and ready for AI, without stopping your business. Code reviews, cloud migration and step-by-step modernization from Softpers." url: "https://softpers.com/services/app-modernization" --- Engineering · App Modernization # App modernization that makes old systems fast, safe and AI-ready Your old software still runs the business, but it's slow, hard to change and risky. We upgrade it step by step, move it to the cloud and get it ready for AI, without stopping your day-to-day work. Book a free call See how it works - **Timeline**: 4–16 weeks - **Starts from**: $5k - **Approach**: Step by step What changes ## What changes when your core system is modern again Today Every small change takes weeks and breaks something else. After modernization Clean, tested code your team can change with confidence. Today The one developer who understands the system is leaving. After modernization Documented code that any good team can pick up. Today Old servers, security gaps and no way to add AI. After modernization Secure cloud hosting, with AI features ready to switch on. What we do ## Modernization without the big, risky rewrite We start by understanding what you have, then improve it in safe, small steps that each deliver value on their own. ### Code and architecture review A clear report on what to keep, fix or replace, with the costs and risks of each. ### Cloud migration Move from old servers to AWS or another cloud, with backups and monitoring in place. ### Step-by-step rebuilds Replace the old system piece by piece, so the business keeps running the whole time. ### Database upgrades Clean up and move your data safely, with checks at every step so nothing goes missing. ### Security fixes Patch vulnerabilities, update outdated libraries and add proper access controls. ### AI-ready APIs Modern APIs that let you plug in AI features, mobile apps and integrations. How it works ## How we modernize without the drama 1. 1 ### Discovery call Tell us what the system does and what hurts. Estimate within 24 hours. Free · 30 min 2. 2 ### Fixed-price review We read the code, map the risks and give you a staged plan with costs. 1–2 weeks 3. 3 ### Modernize in stages Each stage ships on its own, with a demo every week and no big-bang switch. 4–12 weeks 4. 4 ### Cut-over & train We switch over at a quiet time, train your team and hand over runbooks. About 1 week 5. 5 ### 30-day warranty We stay close, fix anything that comes up and document everything. 30 days How we modernize ## Upgrade the engine while the car keeps driving Big-bang rewrites are where modernization projects fail. We improve your system in small, safe stages, so your team and customers barely notice anything except that things work better. **0** big-bang rewrites Small, safe stages **Weekly** demos so you see every change Full visibility **100%** documented and owned by you No lock-in Your numbers ## What is your old system costing you? Slow screens, crashes and manual workarounds add up. Move the sliders to see the cost today. **780** hours a year lost to the old system **$31,200** what that costs each year This doesn't include security risk or lost sales. On your free call we'll talk through where modernization pays off first. ### What you get - A code and architecture report in plain English - A staged modernization plan with costs - An upgraded, tested and secure system - Cloud hosting with backups and monitoring - Full documentation and team training - 30-day warranty and 100% code ownership Moving you to ## A modern, maintainable stack We move you onto widely used technology with good monitoring, so you're never stuck again. AWS Cloudflare Postgres Django FastAPI Next.js Redis Sentry Datadog Who it's for ## Businesses running on ageing software Companies whose core system is ten years old, built by a team that's gone, or simply holding them back. Logistics FinTech HealthTech Manufacturing Real estate Field services FAQ ## App modernization questions, answered **Should we modernize or rebuild from scratch?** Usually modernize. Full rewrites are slow and risky. Our review tells you honestly which parts are worth keeping and which need replacing. **Will our business have downtime?** We plan every change so the business keeps running. Any switch-over happens at a quiet time, with a tested way back if needed. **Can you take over code built by another agency?** Yes, this is common. We review the code first, document what's there and then improve it. **How do you keep our data safe during migration?** We take full backups, move data in tested stages and check every record against the original before switching over. **How much does app modernization cost?** Projects start from $5k. The fixed-price review gives you a staged plan, so you decide how far to go and when. **Which technologies do you work with?** Most mainstream web technologies, old and new. If your system uses something unusual, we'll tell you during the review whether we're the right team. Keep exploring ## Services that pair well with modernization [Engineering **Web Apps & SaaS** Complete products with login, payments and hosting, with AI built in. *Explore Web Apps & SaaS →*](https://softpers.com/services/web-apps) [AI & Data Innovation **AI Integrations** Add AI to the tools you already use, like your CRM, help desk or accounting software. *Explore AI Integrations →*](https://softpers.com/services/ai-integrations) [Digital Transformation Strategy **Process Mapping** See how work really flows today, so nothing breaks when you change it. *Explore Process Mapping →*](https://softpers.com/services/process-mapping) ## Ready to stop working around your old system? Book a free 30-minute call. Tell us what your system does and what hurts, and we'll suggest a safe first step. Book a free call or send us a message