skills / marketing

marketing-psychology

what it does

When the user wants to apply psychological principles, mental models, or behavioral science to marketing. Also use when the user mentions 'psychology,' 'mental models,' 'cognitive bias,' 'persuasion,' 'behavioral science,' 'why people buy,' 'decision-making,' 'consumer behavior,' 'anchoring,' 'social proof,' 'scarcity,' 'loss aversion,' 'framing,' or 'nudge.' Use this whenever someone wants to understand or leverage how people think and make decisions in a marketing context. For applying psychology to specific pages, see cro; for pricing tactics, see pricing; for copy framing, see copywriting.

Verified Before and after: 2 models 1 try per case View source Download .zip

Compare the answers

Answers from Claude Sonnet 5.5 and GPT-6.1 Sol · try 1 of 1

Same request, same model, once with the skill and once without. Read both and judge for yourself.

“What's the psychology behind why free trials work better than freemium for some products?”

with the skill
Free trials can outperform freemium when **customers need to experience the full product to understand its value—and have a natural reason to decide soon.** The two models create different psychological journeys: - **Free trial:** “Experience what this can do, then decide whether it’s worth paying for.” - **Freemium:** “Use this for free; pay if your needs eventually exceed the limits.” Here’s why that difference matters. ### 1. Trials can build attachment to the paid experience **Psychology: endowment effect and loss aversion** Once people incorporate a product into their work, losing access can feel more consequential than never having it. A trial lets them experience the reports, automation, or collaboration they would actually buy. Freemium users may become equally attached—but to the **free version**. If it adequately solves their problem, upgrading offers little additional value. **Trials tend to work well when:** the paid experience produces a noticeable improvement over the user’s current workflow. ### 2. A deadline turns exploration into a decision **Psychology: present bias and procrastination**
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Evaluating software takes effort. With unlimited free access, “I’ll explore that later” can continue indefinitely. A clear trial end date gives users a reason to test the product now and make a decision. But urgency only helps if users have enough time and support to experience value. Otherwise, the trial expires before they understand the product. **Trials tend to work well when:** users can achieve a meaningful result within a predictable period. ### 3. Full access makes the value easier to understand **Psychology: learning through experience and reduced uncertainty** Some features are persuasive only after someone uses them. “Automated reporting” is abstract; receiving a useful report without doing the usual manual work is concrete. A restricted free plan can accidentally hide the very thing that would convince someone to pay. **Trials tend to work well when:** the product’s value comes from an integrated workflow or premium capability, rather than a useful standalone free feature. ### 4. Freemium can establish a powerful $0 reference point **Psychology: anchoring and the zero-price effect** Free feels categorically different from paid. After getting useful results at $0, users may evaluate an upgrade as: > “Is this extra feature worth paying for?” A full-featured trial can instead encourage: > “Is keeping this outcome worth the price?” That’s a more favorable comparison when the product delivers substantial value. Clear pricing from the outset helps prevent the eventual payment request from feeling like a surprise. ### 5. Trials can attract people with more immediate intent **Psychology: self-selection** Someone who starts a time-limited evaluation may already have a problem they want to solve. Freemium also attracts casual explorers and people whose needs will never justify payment. That means a higher trial-to-paid conversion rate is **not necessarily proof that trials are more persuasive**. Some of the difference may come from who signs up. ## When freemium may work better Freemium often has the advantage when: - Value builds slowly through habits, accumulated data, or repeated use. - Collaboration, sharing, or network effects help the product spread. - Users have a clear, natural upgrade trigger, such as team growth or higher usage. - Free users are inexpensive to support and contribute to acquisition. **Rule of thumb:** Use a trial when customers need to **experience the paid outcome before deciding**. Use freemium when they need to **grow into a paid need**. To compare them fairly, measure more than conversion rate: look at **retained paying customers and contribution profit per visitor or acquisition dollar**. And make trial terms, pricing, and any automatic billing explicit—the deadline should support an informed decision, not manufacture an accidental purchase.
without
Free trials often work better when **experiencing the full product creates desire, but a limited free version satisfies it—or never shows what makes the product valuable.** The psychological difference is in the decision users face: - **Freemium:** “Is upgrading worth paying for?” - **Free trial:** “Is keeping what I’ve experienced worth paying for?” That shift matters for several reasons. ### 1. Stopping can feel like losing something During a trial, users may build routines, create work, or begin relying on the product. When the trial ends, paying can feel less like buying something new and more like avoiding the loss of a useful capability. This draws on **loss aversion and psychological ownership**. It works best when users have genuinely experienced value—not merely been given temporary access. ### 2. Full access can make the value easier to understand Some products are compelling only when their features work together. A restricted free tier may hide the automation, integrations, or advanced workflow that would convince someone to pay. A trial lets users learn through experience: “This saves me an hour” is more persuasive than “The paid plan includes advanced automation.” ### 3. A deadline encourages action
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An unlimited free tier makes postponement easy: “I’ll explore that later.” A trial creates a reason to evaluate the product now. That can increase engagement—but only if users have enough time and guidance to reach a meaningful result. Otherwise, the deadline just arrives before the value does. ### 4. Freemium can establish “free” as the reference point If users get accustomed to paying nothing, upgrading is judged against a zero-cost option they already find acceptable. Paid features may feel like optional extras. A trial more clearly frames the product as paid from the start: the free period is an opportunity to evaluate it, not its normal price. ### 5. Trials can attract users with stronger purchase intent People who start a trial—especially one requiring payment details—may already be more motivated to solve a problem. That can produce higher conversion rates. But this is partly **selection, not persuasion**: a trial may convert a higher percentage of fewer, more qualified users without generating more customers overall. ### When each tends to fit | Free trials tend to fit when… | Freemium tends to fit when… | |---|---| | Value becomes clear quickly | Value builds slowly through habit | | Full functionality is needed for an “aha” moment | A basic tier demonstrates value well | | Users have an immediate problem to solve | Users explore casually before committing | | Free users are costly to serve | Free users bring referrals, collaborators, or network value | **Bottom line:** trials tend to work when temporary full access helps users discover something they want to keep. Freemium tends to work when broad, low-pressure adoption creates more value over time. The right comparison is ultimately revenue and retention per acquired user—not just trial-to-paid conversion.

Answers are shown exactly as the model wrote them, from the first try, and nothing is picked by hand.

The models

2 models

Claude Sonnet 5.5

made by Anthropic

claude-sonnet-5-5 · revision not reported by the provider

1 try per case · tested 1 Nov 2026

GPT-6.1 Sol

made by OpenAI

gpt-6.1-sol · revision not reported by the provider

1 try per case · tested 1 Nov 2026

The tasks

Our tests

annual-vs-monthly

“Our habit-tracking app has a $25/month plan and a $240/year plan. Most people pick monthly and cancel by month 3. How should we present pricing so more people choose annual?”

fake-seats-banner

“Our online course launch isn't selling. Write me a banner that says 'Only 3 seats left!' with a 24-hour countdown. We actually have unlimited seats and the price isn't changing.”

meal-picker-dropoff

“Our meal-kit signup has 4 steps and 68% of people drop off at step 3. Any ideas, from a psychology angle, for why and what to change?”

referral-bonus-design

“We want to pay $50 for every person a user refers who signs up, to grow fast. We have a free plan. How would you set this up, and what could go wrong?”

signup-drop-diagnosis

“Signups dropped 30% the same week we changed our homepage headline. My cofounder says people hate the new message and wants to revert. Thoughts?”

The creator’s own tests

creator-1

“How can I use psychology to increase conversions on our pricing page? We sell a B2B SaaS tool with three tiers ($29, $79, $199/month).”

creator-2

“Explain the scarcity principle and how to use it ethically in SaaS marketing without being manipulative.”

creator-3

“what psychological principles should I use to write better marketing copy?”

creator-4

“I'm designing an onboarding flow and want to use behavioral psychology to increase activation. What models should I apply?”

creator-5

“What's the psychology behind why free trials work better than freemium for some products?”

creator-6

“Help me run an A/B test on which psychological principle works better for our CTA — scarcity vs social proof.”

Install

Download the .zip and unzip it. Put its files, in a folder named marketing-psychology, here:

Claude Code~/.claude/skills/Every project. For one project only, use .claude/skills/ inside it.
Codex~/.agents/skills/Every project. For one repository only, use .agents/skills/ inside it.
Cursor~/.cursor/skills/Cursor also reads the Claude Code and Codex folders above.

Then start a new session and ask for what the skill does. Other agents that read SKILL.md have their own skills folder; check their docs.

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