Difference between web based application and desktop application
Let’s start with a confession: many founders and product people treat “difference between web based application and desktop application” as some dusty footnote in old archives. Big mistake. Because that difference is not just academic - it strongly influences your architecture, your UX, your hosting cost, your maintenance burden, and yes, your survival as a SaaS or startup.
If you’re building a SaaS product or planning your first MVP, you must understand that the difference between web based application and desktop application is not trivial. It’s a strategic decision. And as someone who’s overseen dozens of projects through outsourcing teams and UX design reviews, I can tell you: many go wrong here.
In this first part, we clarify core definitions and establish the baseline of what is a web based application and what is a desktop application. Because if you can’t clearly state that, you’ll miscommunicate with your devs, hire wrong, or choose suboptimal paths.
What Do We Mean by “Web Based Application” and “Desktop Application”
“Web Based Application” - defined (with a bit of pretension)
A web based application (aka web application, web app) is a software system whose front-end runs in a web browser (client side), and whose business logic & data reside on remote servers (server side). The user interacts via HTTP / HTTPS requests (or WebSockets, APIs) to that backend. The UI is delivered via HTML, CSS, JavaScript (or frameworks on top of those). Updates happen server-side, so you rarely ask users to download anything new.
This model is nicely explained in Ramotion’s “Web application vs desktop application” article.
Key attributes:
Platform-agnostic: as long as you have a browser, you can run it (Windows, macOS, Linux, mobile).
Centralized logic and data: code & data live on servers, not on user machines.
Deployment ease: you push new versions to server(s), users see updates instantly.
Dependency on connectivity: often, you need network access to talk to server(s).
“Desktop Application” - the old warhorse
A desktop application is software installed locally on a user’s machine (desktop or laptop). It usually accesses hardware, files, maybe local databases, and may or may not talk to remote servers for synchronization or cloud features.
Key attributes:
Native / local execution: runs on the OS directly, tapping system APIs, memory, hardware.
Offline capability: even without internet, core features often still work (unless dependent on servers).
Update management: you typically push updates via versioned installers or auto-updaters.
Platform dependence: you need versions per OS (Windows, macOS, Linux, etc.), sometimes per hardware architecture.
Because of this, the difference between web based application and desktop application hinges primarily on where the logic/data are executed and stored, how connectivity and platform come into play, and how you deliver updates and user experience.
⚡️Web or Desktop? Pick the one that won’t destroy your startup.
Let’s be honest: every time a founder asks me which is better - web or desktop - I hear the silent follow-up: “Which one will make me look more like a visionary on TechCrunch?”
So, in true startup fashion, let’s dress the difference between web based application and desktop application in a bit of irony and realism.
The Pros of Web-Based Applications
(a.k.a. “We’ll never have to release updates again!” - said every founder before discovering browser compatibility)
Instant deployment and updates
You deploy once - everyone sees it. No more “v2.3.5-patch-fix-final-final.exe.” For SaaS owners, this means fewer headaches and more control. Users can’t run outdated versions (unless they refuse to refresh their browser - yes, it happens).
Cross-platform peace
The web app doesn’t care if your user is on Windows, macOS, or a smart fridge. As long as it runs Chrome, Safari, or Firefox - your UX is there. (Well, mostly there. Until Internet Explorer shows up from the grave.)
Centralized control
You manage data, security, and updates from your servers. Perfect for SaaS scalability and analytics. You know exactly what your users are doing - not in a creepy way, of course.
Easier onboarding
Web-based apps skip the installation drama. Click link → sign up → done. For B2B SaaS founders, that frictionless onboarding is gold.
UI/UX agility
Design teams (hi!) can tweak and A/B test interfaces faster. For a UX/UI designer, the web is like clay - flexible, instant, beautiful (unless someone insists on Comic Sans).
The Cons of Web-Based Applications
(or, “Things we pretend won’t happen until they do”)
Network dependency
No internet = no app. Yes, we can use caching and PWAs (Progressive Web Apps), but let’s face it - without stable connectivity, your SaaS becomes a pretty loading spinner.
Performance limits
Heavy computations? Large datasets? Web apps can feel sluggish compared to their desktop cousins. Browsers have limits - for now.
Security concerns
Centralized systems mean one successful attack could compromise thousands of users. You need solid DevOps and backend teams (that’s where outsourcing can save you).
Browser madness
Every browser interprets CSS and JS like it’s translating Shakespeare. Cross-browser bugs are the tax we all pay for convenience.
The Pros of Desktop Applications
(“Old-school, but in a cool, hipster way”)
Performance beast
Desktop apps leverage full hardware capabilities. Perfect for heavy tasks like 3D modeling, data visualization, or gaming. No network lag, no rendering limits.
Offline reliability
Internet outage? Who cares. Desktop apps keep running. That’s priceless for enterprise users or mission-critical systems.
Tighter system integration
Want your app to access files, peripherals, or GPU directly? Desktop wins. Web can’t (yet) match that native power.
User trust & longevity
Desktop software still carries a certain “seriousness”. It feels owned, tangible, local - like the difference between renting and having your own place.
New version? Repackage. Re-upload. Hope users install. Then fix the bug in that new version. Repeat. Forever.
Platform fragmentation
Separate builds for Windows, macOS, Linux… even different installers. That means more testing, more bugs, more coffee.
Update delays
You can’t force updates instantly. Users might cling to old versions for months, breaking compatibility and support.
Higher initial friction
Downloads, installations, permissions - every extra step loses potential users. In the SaaS world, friction equals churn.
So, the difference between web based application and desktop application is not about “which one is newer.” It’s about how much control, performance, and maintenance pain you’re ready to handle.
Choosing Your Side (Without Ruining Your Startup)
If you’ve made it this far, congratulations - you’ve read more about the difference between web based application and desktop application than most startup founders ever will. That already puts you in the top 10% of decision-makers (and the top 1% of those who actually read something before building).
Now let’s talk about how to decide. Spoiler: there’s no universal answer - just trade-offs, sarcasm, and maybe a healthy mix of both worlds.
If you’re building a SaaS product, stop reading and go web. Seriously.
Web-based applications are the lifeblood of SaaS. They allow you to iterate fast, roll out updates instantly, and test features live. You can track user behavior, fix bugs on the fly, and onboard customers without “installer not responding” messages.
Choose web-based if you:
Want global reach without platform-specific headaches.
Need quick iteration cycles (hello, MVPs).
Plan to scale through subscriptions, not licenses.
Value ease of maintenance over offline capability.
From a UX/UI perspective, web apps let designers like me obsess over details that actually reach everyone - not just Windows 11 users who remembered to update.
But remember, the difference between web based application and desktop application also lies in perceived performance. Users might forgive a slightly slower dashboard, but not a laggy trading terminal or video editor. So, if you’re building something resource-heavy - keep reading.
When to Choose a Desktop Application
Desktop still makes sense in 2025 - yes, even for startups. If your product needs local computation, hardware access, or works in environments where internet is patchy, desktop wins.
Choose desktop if you:
Build software for creative professionals, engineers, or gamers.
Need high performance, direct hardware access, or GPU support.
Want to ensure functionality offline.
Are building something that feels native - tactile, fast, serious.
Of course, that means maintaining separate builds, installers, and bug lists. But hey, nothing says “we care about UX” like a dedicated macOS build that doesn’t crash on launch (I say this as someone who’s debugged exactly that).
The Hybrid Revolution
Here’s where modern startups cheat the system - hybrid models.
You take the best of both: web’s accessibility + desktop’s performance.
Tools like Electron, Tauri, or Flutter let you wrap a web app into a desktop shell. Think of it as “fake desktop” - users get the native feel, you still deploy updates through the web.
Slack, Notion, Figma - all shining examples of this hybrid approach.
It’s not perfect (you’ll still hear fans whirring), but for most SaaS tools, it’s the sweet spot.
From a UX/UI standpoint, this approach means design consistency. You design once - it behaves identically on browser and desktop. And for founders, it’s one codebase to maintain. Win-win.
So, the modern difference between web based application and desktop application might actually be shrinking - blurred by technology that merges both worlds.
Final Thoughts (and Mildly Cynical Advice)
If you’re a SaaS or startup founder trying to choose between web and desktop - stop overthinking it. Think about user context.
Where do they use your app?
How often do they update software?
Do they need offline access, or just a reliable Wi-Fi connection?
As a UX/UI designer and outsourcing partner, I’ve seen both types of founders:
The “we’ll do desktop because it’s cooler” type - who later realizes no one wants to install their app.
The “let’s just build a web MVP” type - who later complains their 3D visualization tool crashes browsers.
The truth? Both can work - if you design for the right use case and hire people who know the difference between web based application and desktop application beyond buzzwords.
And if you’re still unsure - that’s what outsourcing is for. (Yes, we’ll help you decide, design, and build it properly while you focus on strategy, not CSS bugs.)
Sofia Shchur
Project manager
Sofia has been a project manager for 10 years, which in startup years is roughly a century. She’s mastered the art of smiling politely while secretly updating the Gantt chart for the 47th time.