
Integrations & technical
What is SaaS?
SaaS (Software as a Service) is software delivered as an online, subscription-based service, with no local installation required.

How does SaaS work?
The vendor hosts and maintains the application on its own servers. Users access it through a web browser or app, paying a monthly or annual subscription.
Why choose SaaS software?
There's no installation or IT maintenance burden on the customer's side: updates happen automatically, and the software is accessible from any connected device.
Real-world example
Visual Planning is offered as SaaS: companies access their schedule through a browser, with no server to install or maintain in-house.
What are the pros and cons of SaaS?
SaaS lowers IT infrastructure costs and makes updates effortless. Its limit: it requires a reliable internet connection and means relying on the vendor for hosting your data.
SaaS vs on-premise software
| SaaS | On-premise | |
|---|---|---|
| Installation | None, browser access. | On internal servers. |
| Updates | Automatic, vendor-managed. | Manual, customer-managed. |
| Cost | Recurring subscription. | Higher upfront investment. |
Key takeaways
- Software accessed online through a subscription, with no installation.
- Hosting and maintenance handled by the vendor.
- Visual Planning is available as SaaS.
Visual Planning is available as SaaS, accessible from any browser.
Frequently asked questions
Are SaaS and cloud the same thing?
SaaS is a specific form of cloud service for software; "cloud" is a broader term that also covers storage or on-demand computing power.
Is SaaS secure for sensitive data?
Yes, as long as the vendor follows recognized security standards (encryption, certified hosting) — worth checking before choosing a SaaS vendor.
Can you use SaaS software offline?
Generally not, or only in a limited offline mode; an internet connection is required for most features.
Does SaaS cost more than on-premise software long term?
It depends: SaaS spreads the cost over time through a subscription, while on-premise software has a higher upfront investment but can sometimes be cheaper over several years.
Related terms
ERP
HRIS
API

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