App Modernization
Free your business from the Windows box.
Legacy & internal apps → secure, modern, cross-device.
You shouldn’t be forced to run the business from one Windows PC on the office network. Rovvi modernizes the apps you depend on — file-share tools, unsupported-Windows software, command-line scripts and legacy databases — into secure apps you can use from any device. We do it working directly with your security and developer teams.
Sound familiar?
The app that runs your business is a liability
It works — until it doesn’t. Legacy and internal apps quietly become the riskiest thing you own: unsupported, undocumented, and impossible to reach when you’re not at your desk.
- Unpatched & exposed. Stuck on a Windows version that stopped getting security fixes years ago.
- One person knows how it works. The logic lives in macros and .bat files no one has documented.
- Tied to one machine. Can’t open it from home, a phone, a tablet, or a Mac.
- Fragile. A shared file that corrupts, with backups nobody has tested.
- Breaks on update. Every Windows patch is a gamble on whether it still runs tomorrow.
- No accountability. No audit trail of who changed what, or when.
What we modernize
If it still needs an old Windows box, we can replace it
Decades of legacy patterns, brought into the present — without losing the workflows and history your team relies on.
Click any card for the full picture — why it matters, the hard requirements, and exactly how we modernize it. Don’t see yours? If it runs on Windows and you’re afraid to touch it, we’ve probably modernized one like it.
Before & after
The same job — without the baggage
Today
- Runs only on a Windows PC on the office network
- Depends on an unsupported, unpatched operating system
- One fragile file on a share — no real backups
- Business logic trapped in .bat files and macros nobody documented
- No record of who changed what, or when
- Breaks on every Windows update — and you can’t reach it from home or a phone
With Rovvi
- Works in any browser — and as a native app on phone, tablet, Mac or PC
- Runs on a supported, patched, monitored platform
- A proper database with automated backups and point-in-time recovery
- Documented, version-controlled, tested code your team can maintain
- Full audit logging and role-based access control
- Available securely from anywhere, on any device
Runs anywhere
One app, every device
Modernized apps aren’t locked to a desktop. Reach them from the browser, a phone, a tablet, or as a native install — online or off, in the cloud or on your own servers.
- Responsive web app
- Native iOS & Android
- Tablet & touch
- Windows, macOS & Linux
- Offline-capable PWA
- SSO / Microsoft Entra ID
- Your cloud, our cloud, or on-prem
- REST APIs & webhooks
How it works
A safe path off the old system
No rip-and-replace gambles. We assess, plan with your teams, rebuild, run in parallel, then cut over on a date you control.
- 01
Discover & assess
We sit with your team and inventory the app — the data, the .bat jobs, the integrations and the risks. Nothing gets touched yet.
- 02
Plan & de-risk
A migration plan agreed with your security and developer teams: scope, data model, access model and rollback. You sign off before we build.
- 03
Rebuild & integrate
We rebuild on a modern stack — wired into SSO, your databases and the systems it talks to — keeping the workflows your people already know.
- 04
Migrate & parallel-run
We move the data, run old and new side by side, and reconcile until the numbers match exactly. No surprises at cutover.
- 05
Cut over & support
A planned switch-over, training for your team and ongoing support. The old Windows box can finally be retired.
Done with your team, not around it
Built for environments where security isn’t optional
Modernizing the software that runs a business is as much a trust exercise as a technical one. We work shoulder-to-shoulder with your security and developer teams from the first assessment to the final cutover — on your terms, inside your controls.
- We embed with your security and developer teams from day one
- Least-privilege access, SSO/MFA and full audit logging by default
- Your data stays where your policy requires — on-prem, your cloud, or ours
- Proper, licensed modernization — no shady reverse-engineering
- Change-managed cutovers with tested, documented rollback
Why Rovvi
We’ve done this where downtime wasn’t an option
Our team has modernized mission-critical, business-running applications for large organizations — the kind of environments where an outage makes the news. That experience is now available to businesses of every size. You get senior engineers who have made this exact journey before — not a ticket queue — and we keep the institutional knowledge intact: the why behind each workflow, not just the code.
Questions
What teams usually ask
Do we have to move to the cloud?
No. We deploy to your on-prem environment, your own cloud account, or ours — whatever your security and compliance requirements dictate.
Will our team be able to maintain it afterwards?
Yes. We build on a documented, standard stack and hand over with training. Or, if you prefer, we run and support it for you.
What happens to our existing data and history?
It’s migrated and reconciled record-for-record against the old system. We parallel-run until the numbers match — nothing is lost.
How disruptive is the switch-over?
Minimal. We run the new app alongside the old one and cut over on a planned date, with a tested rollback in case anything looks off.
Can you work within our security requirements?
That’s the default. We work directly alongside your security team — access reviews, least privilege, audit logging and change control are built into how we work.
Ready to retire the old Windows box?
Tell us about the app you’re afraid to touch. We’ll assess it, scope the modernization, and set up a call with our App Dev team.
Contact AppDev@rovvi.comOr email us directly at AppDev@rovvi.com to set up a call with our team.