What is saas

What is SaaS? Everything you need to know about Software as a Service

Software as a Service (SaaS) applications are becoming increasingly popular nowadays. However, not everyone fully understands what SaaS is. In this article, Devscout will clarify the concept of SaaS and highlight its advantages for users.

1. What is SaaS?

Software as a Service (SaaS) is a cloud-based software delivery model where applications are hosted by cloud providers and accessed by users over the internet. Unlike traditional software installations, SaaS eliminates the need for downloading and installing software locally, allowing access through a web browser.
In essence, SaaS transforms traditional software into services accessible online, covering a wide range of applications from office software to enterprise resource planning (ERP) systems.
SaaS is part of the three main categories of cloud computing along with Infrastructure as a Service (IaaS) and Platform as a Service (PaaS). It serves both business and individual users, offering applications ranging from personal entertainment to complex IT tools.

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2. What are the advantages of SaaS?

The SaaS model shifts the burden of maintaining and storing software to the SaaS provider, bringing significant benefits. This setup allows businesses to focus on their core activities without worrying about the technical complexities of software management.


Instead of downloading and installing software, you can now use SaaS applications through a web browser, regardless of the operating system you’re using. SaaS applications are accessible not only on desktops but also on mobile devices, making them versatile for various situations and environments.

Enhanced Connectivity

Since SaaS runs on the cloud, providers can update their software instantly and continuously without negatively impacting user operations. This ensures convenience for users and guarantees that security updates are applied as soon as possible.


The SaaS model virtually eliminates the need for significant hardware investments, saving businesses a substantial amount in initial costs.


You can scale your usage based on fluctuations in your user base. SaaS comes in various packages, allowing you to increase or decrease your service plan as needed. The adaptability of SaaS includes:

  • Scalability: Businesses can quickly scale their SaaS usage up or down based on demand without significant infrastructure changes.
  • Integration: SaaS applications often offer robust APIs and integrations with other tools, enabling seamless data flow between different business functions.
  • Security: Providers usually invest heavily in security measures, offering robust protections that can surpass what a business might afford independently.
  • Performance and Reliability: Regular updates and managed cloud environments ensure that SaaS applications maintain high performance and reliability with minimal downtime.


Data storage is crucial for businesses, and SaaS typically stores data in the cloud. Changes are updated and stored promptly. If a computer in the system is compromised, it’s not a problem. With a few clicks, the latest backup on the cloud can be restored to that computer.

Data and Analytics

Understanding software usage is vital for businesses to evaluate its effectiveness. SaaS applications often provide access to visual reporting tools that offer valuable insights into business operations, allowing for streamlined, cost-effective, and efficient workflows.

Lower Costs

With SaaS, businesses avoid large upfront costs for purchasing and maintaining traditional software. Instead, they pay for what they use, typically on a subscription basis. This reduces initial capital expenditure and spreads costs over time, making budgeting more predictable. SaaS providers also handle updates and maintenance, reducing IT costs.

3. Limitations of SaaS Applications

Here are some points that SaaS providers are currently working to improve:

System Security: With SaaS, the software server is hosted by the provider rather than the business. Since data is stored in the cloud, there may be concerns about security and the risk of data breaches or theft.

Mandatory Internet Connection: Users must be connected to the internet to use SaaS software, which can be a limitation in areas with unreliable or no internet access.

Unanticipated Updates: The benefit of automatic updates can also lead to users being surprised by changes in the software’s interface or new features, which may require additional time to adapt.

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4. What are the Challenges and Risks of SaaS?

While SaaS offers significant benefits, it also presents several potential risks and challenges that businesses need to consider. Relying on external providers to deliver software, maintain its operations, accurately track and report payments, and create a secure environment for business data can be complex. Here are some common challenges and risks associated with SaaS:

Issues Beyond the Customer’s Control

When using SaaS, businesses depend on providers to ensure the software runs smoothly. If the provider encounters technical issues or performs system maintenance, businesses might experience operational disruptions that are beyond their control. Additionally, this dependency can be problematic if the provider faces financial or legal problems, affecting their ability to deliver continuous service.

Loss of Version Control

One of the benefits of SaaS is automatic updates, but this can also be a challenge. Businesses have no control over the software version they are using and might be forced to adopt new versions with interfaces or features they are not ready to handle. This can disrupt workflows and necessitate retraining of staff.

Difficulty in Switching Providers

When a business decides to switch from one SaaS provider to another, the process can be complicated and costly. Data must be transferred safely and accurately, and businesses might face data loss or service interruptions during the transition. Additionally, the company’s applications and systems might need adjustments to be compatible with the new software.

Data Security

Data security is a top concern when using SaaS. Business data is stored in the cloud, and the service provider is responsible for protecting this data. However, the risks of data breaches, loss, or attacks by hackers still exist. Businesses need to ensure that the service provider has robust security measures in place and complies with data protection regulations.

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5. Step-by-Step Guide to Build a SaaS Platform

Building a Software-as-a-Service (SaaS) platform requires careful planning, technical expertise, and strategic execution. Here’s a comprehensive step-by-step guide to help you navigate through the process:

Identify Your SaaS Product Idea

Conduct thorough market research to identify a viable SaaS product idea. Understand your target audience, their pain points, and the existing solutions in the market.

Define a unique value proposition that sets your SaaS product apart from competitors. Clearly articulate how your product solves specific problems for your target market.

Define Your SaaS Platform Requirements

Outline the core features and functionalities your SaaS platform will offer. Prioritize features based on their importance to your target users and differentiate between must-have and nice-to-have features.

Choose the appropriate technology stack for development, considering factors like scalability, security, and future integrations. Common technologies include programming languages (e.g., Python, JavaScript), databases (e.g., MySQL, MongoDB), and frameworks (e.g., React, Node.js).

Design and Architecture

Design a scalable and secure system architecture for your SaaS platform. Consider aspects such as multi-tenancy (if applicable), data partitioning, API design for integrations, and disaster recovery plans.

Develop intuitive and user-friendly interfaces that enhance user experience. Design wireframes and prototypes to visualize the user journey and gather feedback early in the development process.

Development Process

Agile Development: Adopt an agile development methodology to iteratively build and refine your SaaS platform. Divide development into sprints, focusing on delivering functional increments of your product.

Backend Development: Implement backend functionalities such as user authentication, data management, business logic, and integration with third-party services or APIs.

Frontend Development: Develop responsive frontend interfaces that align with your UI/UX design. Ensure compatibility across devices and browsers for seamless user interaction.

Testing and Quality Assurance

Testing Strategy: Implement a comprehensive testing strategy, including unit testing, integration testing, and acceptance testing. Use automated testing tools to detect bugs early and ensure product reliability.

Performance Testing: Conduct performance testing to evaluate system responsiveness, scalability, and stability under various conditions. Optimize code and infrastructure based on test results.

Deployment and Launch

Prepare a deployment plan for rolling out your SaaS platform to users. Choose a reliable hosting provider or cloud service (e.g., AWS, Azure) for hosting your application.

Conduct beta testing with a limited group of users to gather feedback and identify potential issues. Use beta testing insights to refine your product before the official launch.

Post-Launch Activities

Develop an effective user onboarding process to guide new users in setting up accounts and understanding key features.

Establish robust customer support channels (e.g., ticketing system, knowledge base) to assist users and address their inquiries promptly.

Continuously gather user feedback and analytics data to iterate on your SaaS platform. Prioritize feature enhancements and updates based on user needs and market trends.

Security and Compliance

Implement robust security measures to protect user data, including encryption, access controls, and regular security audits.

Ensure compliance with relevant data protection regulations (e.g., GDPR, CCPA) and industry standards to build trust with users and avoid legal issues.

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6. What does it cost to develop a SaaS platform?

The cost of developing a SaaS platform can vary significantly based on several factors. Here’s a breakdown of the main cost components to consider:

Feature Complexity

The complexity of the features you want to include in your SaaS platform will heavily influence the development cost. Simple platforms with basic features will cost less compared to complex systems with advanced functionalities

Hiring Options

Before exploring hiring options, it’s essential to understand the typical team structure for developing a SaaS application. The following specialists are often included:
Project Manager
Business Analyst
UI/UX Designer
Backend Developer
Frontend Developer
QA Engineer

Freelance Developer

Many developers work as freelancers, offering flexibility and potentially lower costs. However, SaaS development requires long-term collaboration, which can be challenging with freelancers who may switch projects or miss deadlines. Evaluating their expertise can also be difficult if you’re not a technical expert.

In-house Team

Building an internal team can be highly beneficial if you’ve already sold your product and generated revenue. This option is ideal for established businesses needing to expand their staff. However, it comes with additional costs such as office rent, technology, software, and taxes. Hiring a tech-savvy person or professionals skilled in SaaS development is crucial.

Outsourced SaaS Development Vendor

Outsourcing is increasingly popular due to competitive hourly rates, skilled programmers, and high-quality output. You can hire SaaS developers from anywhere globally, providing benefits such as cost flexibility, scalability, shorter development time, access to rich talent pools, and a diversity of technologies.

Hourly Rates

The hourly rates for developers vary widely based on their location, experience, and skill level. Here’s a general overview of average hourly rates:

Southeast Asia: $20-$40/hour

Eastern Europe: $25-$49/hour

Western Europe: $50-$149/hour

North America: $150-$200/hour

South America: $25-$49/hour

Oceania: $100-$150/hour

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7. The 8 Types of SaaS Applications

Accounting Software SaaS

Accounting SaaS, also known as cloud accounting, is a type of accounting software that is hosted and delivered over the internet. This means that businesses can access their accounting data from anywhere in the world with an internet connection. Accounting SaaS solutions typically offer a wide range of features, including general ledger, accounts payable and receivable, payroll, and financial reporting.

Content Management System (CMS) SaaS

A Content Management System (CMS) SaaS is a cloud-based software application that allows users to create, manage, and publish content to a website. CMS SaaS solutions typically offer a user-friendly interface that does not require any coding knowledge. This makes them ideal for businesses and individuals who want to create a website without having to hire a web developer.

Customer Relationship Management (CRM) SaaS

Customer Relationship Management (CRM) SaaS (Software as a Service) is a cloud-based technology solution that helps businesses efficiently manage their relationships and interactions with customers. CRM SaaS allows storing and accessing customer information, transaction history, and previous interactions from anywhere and on any device with an internet connection. This helps improve customer service, enhance customer satisfaction, and boost sales. Additionally, CRM SaaS is often integrated with marketing automation tools, data analytics, and project management, enabling businesses to optimize their processes and make strategic decisions based on real-time data.

Enterprise Resource Planning (ERP) SaaS

Enterprise Resource Planning (ERP) SaaS (Software as a Service) is a cloud-based technology solution that helps businesses manage and integrate core business processes such as accounting, human resources, supply chain, manufacturing, and customer service. ERP SaaS allows businesses to access and manage data from anywhere and any device with an internet connection, optimizing performance and reducing IT infrastructure costs. By providing a single platform for all departments, ERP SaaS enhances collaboration, improves decision-making based on real-time data, and increases the ability to respond quickly to market changes. With its flexibility and scalability, ERP SaaS meets the needs of both small and medium-sized businesses as well as large enterprises.

Project Management SaaS Applications

These applications provide tools for planning, resource allocation, progress tracking, budget management, and team collaboration. With intuitive interfaces and automation features, Project Management SaaS simplifies project management processes, increases work efficiency, and ensures projects are completed on time and within budget. Additionally, these applications often integrate with other tools such as CRM, ERP, and communication tools, enhancing coordination and information sharing effectively.

Communication SaaS Applications

These applications include email, chat, video calls, and online conferencing, allowing users to connect and collaborate from anywhere with any device. With high security features, integration capabilities with other applications such as CRM and ERP, and user-friendly interfaces, Communication SaaS improves work efficiency, enhances team collaboration, and ensures information is transmitted quickly and accurately. These benefits help businesses maintain continuous connectivity, respond promptly to customer needs, and enhance overall operational efficiency.

HR SaaS Applications

These applications provide tools for managing recruitment, tracking performance, processing payroll, administering benefits, and training employees. With the ability to be accessed from anywhere and on any device with an internet connection, HR SaaS optimizes HR processes, reduces manual tasks, and improves data accuracy. Additionally, these applications often integrate with other systems like ERP and CRM, creating a comprehensive and seamless management ecosystem. This helps businesses enhance work efficiency, ensure compliance with legal regulations, and improve employee experience.

Billing SaaS Applications

Billing SaaS Applications are cloud-based software solutions used to manage and process payment systems within businesses and organizations. These applications provide tools for invoicing, managing payment cycles, collecting payments, and tracking payment statuses from customers. With automation and integration features, Billing SaaS optimizes the payment process, minimizes errors, and enhances financial management capabilities for businesses. These applications also typically integrate high-security features to protect customer payment information and ensure compliance with data security regulations.