Entrepreneurship and Startup · Types of New Age Business

Subscription, SaaS and Platform Business Models Explained

Updated 11 October 2026 · Fact-checked

These are new age models that earn money differently from one-time sales. Subscription charges a recurring fee for access. SaaS rents cloud software on subscription. Freemium gives a free basic tier and charges for upgrades. A platform connects two or more groups and earns from the interactions. Solve questions by identifying who pays, what, and when.

Understand Subscription, SaaS and Platform Businesses

A traditional business sells a product once and earns once. A subscription business sells access over time. The customer pays a fixed fee every month, quarter or year. The firm gets predictable, recurring revenue and a longer relationship with the customer.

SaaS (Software as a Service) is a subscription model for software. The software runs on the provider's cloud servers. Customers use it through a browser or app and pay per user, per usage tier or per month. They do not buy a licence or install heavy software. The provider spends a lot upfront on building the product, but each extra customer costs little to serve. That is why SaaS can scale fast.

Freemium offers a basic version free and charges for advanced features, storage or removal of limits. The aim is to attract a large user base cheaply and convert a small share into paying customers. A premium-only model has no free tier: every user pays from the start, usually with a higher price and a clearer promise of quality. Freemium trades low entry barriers for the cost of serving free users.

A platform business does not mainly create the product itself. It brings together two or more groups, such as buyers and sellers, or drivers and riders, and earns from the interaction through commission, listing fees, advertising or subscriptions. Platforms depend on network effects: the more users on one side, the more valuable the platform is to the other side. Early on, they face a chicken-and-egg problem, because neither side joins without the other.

The key point for exams is revenue mechanics. Ask who pays, how often, and what drives growth or loss. Subscription models live or die on retention (churn), while platforms depend on liquidity and network effects.

Key rules to remember

Monthly Recurring Revenue (MRR): MRR = Number of paying subscribers × Average monthly fee per subscriber; For annual plans, divide the yearly fee by 12 before using it.
Annual Recurring Revenue (ARR): ARR = MRR × 12; Include only recurring fees, not one-time setup charges.
Churn rate: Churn rate = Customers lost in the period ÷ Customers at the start of the period × 100; Use the same period (monthly or yearly) for both the loss and the base.
Average customer lifetime: Lifetime = 1 ÷ Churn rate (per period); A simple approximation that assumes churn stays constant. Monthly churn gives lifetime in months.
Customer Lifetime Value (LTV): LTV = Average monthly revenue per customer × Gross margin % × Customer lifetime (months); Some questions use revenue without margin. Follow the data given.
LTV to CAC ratio: LTV : CAC = LTV ÷ Customer Acquisition Cost; A commonly used benchmark is about 3 or more, but it is a rule of thumb, not a law.
Freemium conversion rate: Conversion rate = Paying users ÷ Total users (free + paid) × 100; Check whether the question defines the base as total users or free users only.
Platform revenue from commission: Revenue = Gross transaction value × Commission rate; The platform earns the commission, not the full transaction value.

How to solve Subscription, SaaS and Platform Businesses questions

Use this method for any question on subscription, SaaS, freemium or platform models, whether it is theory or numerical.

1Identify the model from the facts: recurring fee, cloud software, free tier plus paid upgrade, or intermediary between groups.
2List the revenue sources. Note who pays (user, seller, advertiser), what for and how often.
3For numerical questions, write the data and pick the formula: MRR, churn, LTV, CAC or commission.
4Keep the period consistent. Convert annual figures to monthly or the reverse before calculating.
5Calculate step by step and show units in rupees or percentage.
6Link the result to the business meaning, such as retention, payback or scalability.
7For theory questions, give advantages and limits with a business example, not just definitions.
8End with a clear conclusion or recommendation tied to the case.

Quickest way: Four-question scan

When to use it: Use it for MCQs and short case questions where you must classify the model or pick the right metric quickly.

Ask: does the customer pay repeatedly for access? If yes, it is subscription; if the access is cloud software, it is SaaS.
Ask: is there a free tier with paid upgrades? If yes, it is freemium.
Ask: does the firm connect two or more user groups and earn on interactions? If yes, it is a platform.
For numbers, compute MRR first, then churn, then LTV and compare with CAC.

Common mistakes in Subscription, SaaS and Platform Businesses

Treating SaaS as the same as any software sale.
Students focus on the word software and ignore the delivery and payment method.
Fix: Remember SaaS means cloud-hosted software rented on subscription, not a one-time licence installed by the buyer.
Calling freemium and premium the same model.
Both can end with paid users, so they look alike.
Fix: Freemium has a free tier to attract users and convert some. Premium has no free tier and charges all users from the start.
Counting full transaction value as platform revenue.
Students confuse gross value of goods sold with the platform's earning.
Fix: Platform revenue is commission or fees on the transaction. Multiply the gross value by the commission rate.
Mixing monthly and annual figures in MRR, churn and LTV.
Questions give annual fees but monthly churn, or the reverse.
Fix: Convert everything to one period before calculating and state the period in your answer.
Listing only advantages of subscription models.
Students remember recurring revenue and forget the risks.
Fix: Always add disadvantages: churn, high upfront acquisition cost, subscription fatigue and dependence on continuous value delivery.
Ignoring network effects when explaining platforms.
Students describe platforms as simple online shops.
Fix: Explain that value rises as more users join, and mention the chicken-and-egg start-up problem.

Worked examples

Example 1

A SaaS startup in Pune has 2,000 paying subscribers at the start of a month, paying ₹1,500 per month each. During the month, 100 subscribers cancel. Gross margin is 80%. Customer acquisition cost is ₹6,000 per customer. Calculate the MRR at the start, monthly churn rate, average customer lifetime, LTV and the LTV to CAC ratio.

Show the solution

MRR at start = 2,000 × ₹1,500 = ₹30,00,000.
Churn rate = 100 ÷ 2,000 × 100 = 5% per month.
Customer lifetime = 1 ÷ 0.05 = 20 months.
LTV = ₹1,500 × 80% × 20 = ₹1,200 × 20 = ₹24,000.
LTV to CAC = ₹24,000 ÷ ₹6,000 = 4.
A ratio of 4 is above the commonly used benchmark of about 3, so acquisition looks economically sound, provided churn stays at 5%.

Answer: MRR ₹30,00,000; churn 5% per month; lifetime 20 months; LTV ₹24,000; LTV to CAC 4. Acquisition spending appears worthwhile.

Example 2

An Indian learning app has 5,00,000 registered users on a freemium plan. 4% take the paid plan at ₹300 per month. A rival offers a premium-only plan at ₹500 per month and has 15,000 users. Compare their monthly subscription revenue and explain one strategic difference.

Show the solution

Freemium paying users = 5,00,000 × 4% = 20,000.
Freemium monthly revenue = 20,000 × ₹300 = ₹60,00,000.
Premium-only revenue = 15,000 × ₹500 = ₹75,00,000.
Premium-only earns ₹15,00,000 more per month from subscriptions.
Strategic difference: freemium has a large user base that can be converted later and may attract advertisers or referrals, but it bears the cost of serving 4,80,000 free users. Premium-only has a smaller base, lower serving cost and higher revenue per user, but faces higher entry barriers.

Answer: Freemium earns ₹60,00,000 and premium-only earns ₹75,00,000 per month. Premium-only earns more now, while freemium builds a wider base at the cost of serving free users.

Exam tips

Expect case-based MCQs asking you to classify a business as subscription, SaaS, freemium or platform from a short description.
In written answers, structure each model as meaning, revenue source, advantages, disadvantages and an Indian example.
Show every formula and the period used. Marks are given for method even if the final figure is off.
When asked to recommend, tie the advice to churn, acquisition cost or network effects from the case data.
Use well-known Indian examples carefully and only where you are sure of how the firm earns.

Practice questions from Types of New Age Business

Subscription, SaaS and Platform Businesses: frequently asked questions

What is the SaaS business model?

SaaS delivers software over the internet from the provider's servers. Customers pay a recurring fee instead of buying a licence. The provider earns steady revenue and updates the product for all users at once.

What are the advantages and disadvantages of a subscription business model?

Advantages include predictable recurring revenue, stronger customer relationships and easier forecasting. Disadvantages include churn risk, high upfront acquisition cost and the need to keep delivering value so customers do not cancel.

What is the difference between freemium and premium models?

Freemium gives a basic version free and charges for advanced features, hoping some users convert. Premium charges every user from the start with no free tier. Freemium builds a bigger base, while premium earns more per user.

How does a platform business make money?

A platform earns from the interactions it enables. Common sources are commission on transactions, listing or subscription fees from sellers, and advertising. Its value grows through network effects as more users join.