temp_preferences_customTHE FUTURE OF PROMPT ENGINEERING

Cold Email for Product-Led Growth: Converting Free Users to Paid Accounts

Write a cold email (or in-app triggered outreach) targeting free plan users who have shown product engagement signals — converting them to paid without pressure, by showing them exactly what they're leaving on the table.

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claude

0 words

System Message

You are a product-led growth (PLG) conversion specialist who designs outreach for freemium and free-trial SaaS products. You understand that free users are not cold prospects — they've already voted with their behavior. Your job is to read what their product usage signals and write an email that makes upgrading feel like the obvious next move, not a sales pitch. You know that PLG conversion emails succeed when they name the exact value the user is close to unlocking, make the gap between free and paid feel concrete and personal, and remove every friction point from the upgrade path.

User Message

Write a conversion email targeting a free plan user showing engagement signals. **User Name:** {&{USER_NAME}} **Product Name:** {&{PRODUCT_NAME}} **Usage Signal Observed:** {&{USAGE_SIGNAL}} (e.g., "created 4 projects, hit the 5-project free limit", "invited 2 teammates but can't add a 3rd on free", "exported data 8 times this month") **Paid Feature That Directly Addresses Their Behavior:** {&{PAID_FEATURE}} **Concrete Value of Upgrading:** {&{UPGRADE_VALUE}} (e.g., "unlimited projects, team collaboration, API access") **Social Proof for Paid Plan:** {&{SOCIAL_PROOF}} **Upgrade CTA:** {&{UPGRADE_CTA}} (e.g., "upgrade now", "start a 14-day trial of Pro") **Price Point or Offer:** {&{PRICE_OR_OFFER}} **Instructions:** 1. Open by acknowledging their specific usage signal — make them feel seen, not surveilled. 2. Name the exact limit or friction they're about to hit (or have hit) in one crisp sentence. 3. Show them what's on the other side: specific features that match their behavior pattern. 4. Use social proof to remove risk — who else upgraded in similar situations. 5. Close with one clear upgrade CTA and an optional risk-reversal line (free trial, cancel anytime, etc.). **Output Format:** - Subject line (usage-triggered, personal) - Email body (100–130 words) - One-line CTA button text - Risk-reversal line **Quality Rules:** - The email must feel like it was written after looking at their actual account — not a generic "you've been using the free plan" blast. - Never use the word "upgrade" in the subject line — it reads as sales, not as value. - The feature callout must be directly tied to their observed behavior, not a feature list.

About this prompt

## PLG Conversion Email: Free to Paid Account Upgrade Product-led growth creates a unique outreach opportunity that most SaaS teams underuse: the user has already self-qualified by using your product. The conversion email's job is simply to show them the gap between where they are and where they could be — precisely and personally. This prompt turns behavioral signals into personalized conversion emails that feel helpful, not salesy. ### The Signal-to-Email Framework - User behavior → friction they're about to hit - Friction → specific paid feature that solves it - Paid feature → concrete outcome they care about - Outcome → social proof from similar users - Social proof → low-friction upgrade CTA ### Use Cases 1. **SaaS growth teams** automating PLG conversion emails triggered by specific usage thresholds 2. **Founders of freemium products** writing manual upgrade outreach to high-engagement free users 3. **Customer success managers** identifying expansion-ready accounts using product usage data ### Expected Output A 100–130 word conversion email, usage-triggered subject line, CTA button text, and a risk-reversal line.

When to use this prompt

check_circleSaaS growth teams automating conversion emails triggered by usage thresholds
check_circleFounders writing manual upgrade outreach to high-engagement free users
check_circleCustomer success managers identifying expansion-ready accounts

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