Have you ever visited a pricing page and noticed three subscription plans, where the middle option suddenly looks like the most attractive deal?

That might not be accidental.

Product teams sometimes introduce an additional option to influence how customers evaluate existing choices. This psychological principle is known as the Decoy Effect.

It is widely used in pricing, subscription models, and product packaging. Understanding it can help product managers design better choice experiences, but it also raises an important question: when does influencing a decision become manipulation?

What Is the Decoy Effect?

The Decoy Effect occurs when introducing a third option makes one of the existing options appear more attractive.

The additional option, known as the decoy, is deliberately less appealing than the option the business wants customers to choose.

Consider a streaming service offering these plans:

Plan	Monthly price
Basic	₹199
Standard	₹349
Premium	₹399

The Standard plan offers fewer benefits than Premium, but its price is relatively close. Suddenly, Premium appears to offer much better value for a small additional cost.

The presence of Standard makes Premium easier to justify.

Without that comparison, customers might have considered ₹399 too expensive. The decoy changes how they perceive the available choices.

Why Does It Work?

People rarely evaluate options in isolation. They often compare alternatives to determine which offers the best value.

The Decoy Effect takes advantage of this comparative decision-making.

When two options have different strengths and weaknesses, choosing between them can be difficult. Introducing a third option that is clearly inferior to one of them makes the comparison easier.

Instead of asking whether Premium is worth ₹399, customers start asking why they should choose Standard when Premium offers more for relatively little extra money.

The decision shifts from evaluating absolute value to comparing relative value.

Where Product Teams Can Apply It

1. Pricing and Subscription Plans

SaaS products often use three-tier pricing structures. A deliberately less attractive middle option can make the higher-priced plan appear more compelling.

However, each tier should still offer genuine value to a specific customer segment.

2. Feature Packaging

Product teams can package capabilities into different plans to help customers understand the value of upgrading.

For example, an entry-level plan might support basic reporting, while a premium plan offers advanced analytics and automation. The differences should reflect meaningful customer needs rather than artificial restrictions.

3. Product Recommendations

E-commerce and comparison platforms can use relative comparisons to help customers evaluate alternatives.

For example, presenting a slightly inferior product alongside a more capable option can make the latter’s benefits easier to recognise.

The important consideration is whether the comparison helps customers make informed decisions.

The Risk of Overusing the Decoy Effect

Psychological principles can improve decision-making, but they can also damage customer trust when applied irresponsibly.

If a decoy exists only to push customers towards an expensive plan, without offering meaningful value itself, customers may eventually recognise the pricing structure as manipulative.

There is also a risk of introducing unnecessary complexity. More options do not automatically create better decisions.

Product teams should ensure that every option has a clear purpose and that customers can understand the differences without having to decode the pricing strategy.

How to Use It Responsibly

Before introducing a decoy, product managers should consider:

• Does each option serve a meaningful customer segment?
• Are the differences between plans transparent?
• Does the preferred option genuinely offer better value?
• Are customers making more informed decisions?
• Does the pricing structure support long-term trust?

Testing different pricing presentations can help teams understand how customers respond. However, conversion rates should not be the only success metric. Refunds, cancellations, customer satisfaction, and long-term retention also matter.

Final Thought

The Decoy Effect demonstrates that product decisions are influenced not only by what options are available, but also by how those options are presented relative to one another.

For product managers, understanding this principle can improve pricing pages, packaging strategies, and decision experiences.

But the objective should not be to trick customers into choosing the option that generates the most revenue.

It should be to make the value of each option easier to understand, so customers can confidently choose what works best for them.