SaaS.
aka software as a service, subscription software, cloud software
Software you rent monthly instead of buying once and installing yourself.
What it actually means
SaaS, short for software as a service, is software you use over the internet and pay for on a subscription, usually per user per month or per year. The provider runs the servers, handles updates, security and backups, and you simply log in through a browser or app instead of installing and maintaining it yourself.
You probably use SaaS every day without calling it that. Your work email, the shared calendar, the chat app, the tool your team uses to track tasks: most of these live on someone else's servers and get billed as a subscription. At work, SaaS shows up in two places. First, as a cost line: the company pays for seats, so adding ten new hires might mean ten new licenses. Second, as a business model: a SaaS company sells subscriptions, so it cares about recurring revenue, renewals and how many customers cancel each month.
The nuance people miss is that renting is not automatically cheaper. A tool at 15 per user per month looks small, but 200 users for three years adds up to 108,000. You also never own the software. If you stop paying, access stops, and getting your data out can be harder than getting it in. On the plus side, you skip the upfront purchase, you get new features without a big upgrade project, and someone else wakes up at 3 a.m. when a server breaks. Most companies end up with dozens of SaaS tools, which is why some teams track them closely to avoid paying for seats nobody uses.
Where you'll hear it
We have three SaaS tools doing the same job and half the seats are unused. Before renewal, let's consolidate and cut the licenses nobody logs into.
Translation: we are paying monthly rent for software people do not use, so let's cancel the extras before the contract rolls over.
Also in startup pitches, where founders talk about monthly or annual recurring revenue (MRR and ARR); in procurement, where someone asks about the contract term and auto-renewal; and in IT, where people check whether a new SaaS tool meets the company's security and data rules before anyone signs up.
The pop-culture version
Think about how you listen to music. Years ago, you bought an album once and owned it. If you wanted the new one, you bought that too. Now most people pay a monthly fee to a streaming service and get access to a huge library, updated constantly, on any device.
That is the SaaS deal. You do not own the songs, you rent access. The service handles storage, new releases and making the app work on your phone and laptop. You never think about where the files live. You just press play.
The catch is the same too. Stop paying and your playlists go quiet. Prices can rise at renewal. Over many years you may pay more than buying a few albums would have cost. Companies weigh exactly these trade-offs when they choose a SaaS tool.
The practical rule: SaaS trades ownership for convenience. Before you sign up, check the price per user, how long the contract runs, whether it renews automatically, and how you would get your data out if you leave.
Say it like you mean it
“It's a SaaS tool, so we pay per seat and the vendor handles updates and hosting.”
It correctly links SaaS to subscription pricing and to the provider running the software.“We bought the SaaS license, so we own it forever now.”
SaaS is rented access on a subscription, so you lose it when you stop paying.You will also hear "seat" for one user license and "churn" for customers who cancel. When someone says a tool is "SaaS-based", they usually mean nothing gets installed on company servers and everything runs online.
A clear breakdown of the three main cloud service models, IaaS, PaaS and SaaS, and what each one means for businesses choosing technology.
Decoded next
Decoded by the Kurums editorial team. Kurums Decoded translates the language of business for people who are new to it. Definitions are kept short on purpose; the serious version above goes deep. Nothing here is financial, legal or career advice.
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