What is SaaS - Software as a Service
Sigma School
6th June 2025
Have you used Gmail today? Maybe checked your schedule in Google Calendar? Shared a file on Dropbox or Notion?
If so, congrats, you’ve already used SaaS.
But here’s the exciting part: what if you could build your own SaaS product - without writing a single line of code?
Let’s break it down.
SaaS stands for Software as a Service.
That means the software lives in the cloud (on someone else’s computer, basically), and you access it through your browser or a mobile app. You don’t download anything. You don’t install anything. You don’t need a tech team to run it.
You just create an account, and boom, you’re using powerful software instantly.
Think of tools like:
All of them are SaaS products. You use them online. You don’t worry about how they work, just that they do.
If you're dreaming of launching a product, startup, or side hustle, SaaS is the best model to start with. Here's why:
When you're building traditional software, you'd need to manage servers, databases, updates, security patches — and honestly, it's a lot.
With SaaS, that’s all taken care of in the background. You just build the features your users care about.
You don’t need a huge budget to launch a SaaS. Most modern no-code tools let you build your MVP (minimum viable product) for free or cheap, then scale as you grow.
There’s no shipping, no physical product, no location limits. If you launch a SaaS today, anyone with internet can use it tomorrow.
You’re not just building a product — you’re building a business that runs 24/7, even while you sleep.
You don’t need to rebuild your app every time you get more users. SaaS is built to scale — so when you get 100 users, or 1,000, or 10,000, your system can grow with you.
Here's the quick version:
Even better: most SaaS platforms support integrations.
That means you can connect your app to tools like:
And you can do all this without writing backend code — just using no-code platforms.
Here’s where it gets really exciting.
Modern SaaS apps aren’t just useful — they’re getting smart.
Think of:
These are all AI-powered SaaS products.
And here’s the good news: you can build something like that too — even without coding.
Thanks to no-code platforms and pre-trained AI tools (like OpenAI, Claude, etc.), you can create products that:
All you need is the right knowledge and tools.
We built the One-Person AI Accelerator course to help people like you — creators, solopreneurs, and curious builders, turn their ideas into working AI products in 30 days.
You’ll learn:
Explore further: What are AI Agents?
You don’t need a CS degree. You don’t need to be a dev.
You just need:
If you’ve ever thought,
"I wish I could build an app, but I’m not technical..."
This is your moment.
SaaS has lowered the barrier. AI is raising the ceiling.
Now, anyone — even non-coders — can build powerful, smart software that solves real problems.
Your move.
Join the One-Person AI Accelerator course and start building your AI-powered SaaS idea in just 30 days.