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4 Upgrade Emails You Can Copy for Your SaaS

Upgrade emails don’t need to be pushy — especially when they’re sent based on what users actually need.

The best ones are short, helpful, and show the value of moving to the next plan. No fluff, no pressure — just a clear reason to upgrade and an easy way to do it.

In this post, you’ll get 4 SaaS upgrade email templates you can copy and customize. Whether you’re nudging free users or encouraging a plan jump, these emails are built to convert without sounding salesy.

Let’s jump in.

CTA Button: Encharge automates SaaS upgrade emails

What is a SaaS Upgrade Email?

Answer: A SaaS upgrade email is a message you send to encourage users to move from a free plan to paid—or from their current plan to a higher one.

It’s not just about pricing. It’s about timing and relevance. A good upgrade email highlights what the user is missing, shows them the value of upgrading, and gives them a simple path to do it. Whether triggered by usage limits, new features, or personalized milestones, upgrade emails help you convert engaged users into paying customers.

They’re part sales pitch, part helpful nudge.

Why Send Upgrade Emails for Your SaaS?

Answer: The #1 reason to send upgrade emails is to turn active users into paying customers by showing them the next step forward.

Most users won’t upgrade unless you give them a clear reason to—and that’s exactly what a good upgrade email does.

1. Turn free users into paying customers

Your free users are already getting value. Upgrade emails show them how much more they could do by unlocking paid features, higher limits, or better support.

It’s easier to sell when the user already knows your product works.

Just like with welcome emails, it’s about reinforcing what’s working and guiding them toward the next step. These SaaS welcome email examples show how to make that first impression count.

2. Max out the value of engaged accounts

Some users are ready for more—they’ve hit usage limits, outgrown their current tier, or need a feature only available in premium plans. This is where your upgrade email can do the heavy lifting.

The right message, at the right moment, makes the upsell feel natural.

3. Automate revenue growth

Upgrade emails don’t need to be manual. With the right triggers—like usage spikes, team invites, or trial expiration—you can send targeted emails that drive conversions on autopilot. Small emails, big impact.

When Should You Send Upgrade Emails?

Answer: You should send upgrade emails when users are most likely to see the value in paying—usually right after a success moment, a limitation, or a trial ending.

The key is to strike when the product is already delivering value.

1. After a user hits a usage limit

Whether it’s contacts, messages, storage, or seats—running into a cap is a strong upgrade trigger. Your email should offer a smooth path forward, not a hard block.

2. Near the end of a trial

As the trial wraps up, users need to decide: stay or leave? An upgrade email with a clear CTA and benefit summary can help seal the deal.

Consider offering a small incentive if they upgrade before the trial ends.

This timing is similar to renewal reminders — and these SaaS renewal email examples show how to nudge users without pressure.

3. After a success milestone

If a user just launched a campaign, closed a deal, or invited a team—strike while the momentum is high. They’re seeing wins, so now’s the time to suggest going further with a paid plan.

Big changes — like feature launches or rebrands — also open the door for upgrade prompts. These SaaS rebranding announcement emails are a good reference for setting the tone.

4 Upgrade Email Templates That Drive Action

Upgrading is a delicate moment. The user already knows your product — now they’re just deciding if it’s worth the next step. These upgrade email templates are designed to help them say yes, without pressure or fluff. Each one is built for a different moment in the user journey, whether it’s a trial ending, a milestone hit, or a limited-time offer. Let’s dive in.

1. Friendly nudge before a trial ends

When the trial clock’s ticking down, you don’t need to push hard. This email keeps things light and encouraging. It’s written to feel like a heads-up from a friend — not a sales pitch. The goal is to remind them what they’ve built so far, what they’ll lose if they stop now, and how easy it is to continue.

Use this near the end of a free trial — ideally 1–2 days before it expires.

Other subject line ideas:

  • Don’t let your work disappear
  • You’re just getting started — keep going
  • Keep what you’ve built
  • Your account’s about to pause
  • One click to stay on track

Why it works:
It’s calm, helpful, and future-focused. It reminds users they’re already halfway there and frames upgrading as the easiest next step — not a new decision.

2. Unlock more by upgrading

Sometimes the user’s already doing well — they’re just hitting limits. This email is for the folks who’ve created a few projects, invited teammates, or used key features. You’re not asking them to upgrade because they’re missing out. You’re inviting them to keep growing.

This works best for freemium users who’ve explored the tool and are ready for more.

Other subject line ideas:

  • You’ve outgrown the free plan — here’s what’s next
  • Scale your setup, not your stress
  • More space, more power, no reset
  • You’re ready for the next level
  • Go beyond the limits

Why it works:
This email speaks to progress. It doesn’t talk about missing out — it talks about building on top of what’s working. That subtle shift makes all the difference.

CTA Button: Encharge automates SaaS upgrade emails

3. Upgrade with a limited-time discount

A little time pressure can help, as long as it’s real. This upgrade email is all about the deal — but it still leads with value. You’re not shouting about the price. You’re showing how the offer lets them get more out of what they’re already using.

Great for re-engagement, launches, or end-of-quarter campaigns.

Other subject line ideas:

  • You’ve earned a deal — here’s {xx}% off
  • Limited-time upgrade savings
  • This discount’s just for you
  • One upgrade, lifetime savings
  • Unlock more — for less

Why it works:
It’s not pushy. It’s clear. There’s a real deadline, a clear benefit, and zero pressure. The tone feels like a reward — not a pitch.

If you ever need to message a price change instead of a discount, these price increase email examples show how to do it with transparency.

4. Congratulate them, then upsell

People like recognition. This upgrade email comes after a milestone — their first completed task, campaign, or automation. Instead of pushing the upgrade, it celebrates the win and makes the paid version feel like a continuation, not a switch.

This one’s perfect for high-activation users.

Other subject line ideas:

  • Congrats on the progress — time to go further
  • You’re on fire — here’s what’s next
  • You’ve earned more power
  • This is just the beginning
  • Let’s build on your win

Why it works:
It’s human. It feels like someone noticed. Instead of pushing the upgrade, it builds on the user’s energy and frames the paid plan as the next natural step.

This kind of milestone-driven messaging also works great in funding announcement emails — see how these SaaS funding email examples celebrate progress and invite deeper engagement.

Best Practices for SaaS Upgrade Emails

  • Lead with the biggest benefit of upgrading
    Show users what they’ll gain — not just what they’ll pay for.
  • Trigger the email based on real usage
    Send upgrade prompts when someone hits a limit, uses a feature heavily, or shows clear intent.
  • Make the upgrade feel like a natural next step
    Frame it as progress, not pressure. “You’re growing — here’s what’s next.”
  • Highlight the top 2–3 features they’ll unlock
    Be specific about what gets better with the upgrade — more automation, priority support, advanced reports, etc.
  • Add a bold CTA with benefit-first language
    Use buttons like “Unlock Pro Tools” or “Get More Campaigns” to make the reward obvious. If you need inspiration, these SaaS email CTA examples show how to write buttons that actually get clicked.
  • Keep the design clean and focused
    Avoid distractions. One message, one button, and maybe a visual — that’s enough.
  • Mention pricing clearly (if needed)
    Don’t hide the cost if it’s relevant. A simple line like “Starts at $49/month” builds trust.
  • Offer a short trial or discount if possible
    Even a 7-day trial or 10% off can nudge users to try before they fully commit.

If you’re working this into a broader email newsletter, these SaaS newsletter examples can help you maintain clarity without diluting the CTA.

Upgrades shouldn’t feel like a sales pitch

→ Encharge helps you send upgrade emails that actually make sense.

The best upgrade emails don’t push — they align. Encharge lets you trigger upgrade nudges based on usage, limits, or milestones, so users see the offer when it’s relevant — not random.

Encharge.io website landing page
  • Trigger upgrade emails when users hit limits, unlock features, or see success
  • Personalize offers by plan, usage, and in-app behavior
  • Create multi-step upgrade flows without writing code
  • Connects your email, CRM, and product data in one simple platform
  • Used by 1,000+ SaaS teams to grow revenue without sounding pushy

An upgrade email that lands at the right time doesn’t feel like a sell — it feels like a win. Encharge helps you send more of those.

CTA Button: Encharge automates SaaS upgrade emails

FAQ for SaaS upgrade email templates

1. How do you write a SaaS upgrade email that converts?

To write a high-converting upgrade email, focus on the value the user unlocks by upgrading—not just the features. Keep it short, highlight a pain point or milestone, and offer one clear next step. With Encharge, you can trigger upgrade emails based on real-time user behavior.

How to write it:

  1. Start with a benefit-driven subject line.
  2. Show what they’re missing out on or what they’ve almost hit.
  3. Add a CTA like “Upgrade Now” or “See What’s Inside.”

2. How do I target the right users for an upgrade email?

Target users who are actively getting value but haven’t yet upgraded—like those hitting usage limits, using core features frequently, or nearing the end of a trial. With Encharge, you can build smart segments based on behavior, plan type, or engagement level.

How to identify upgrade-ready users:

  1. Look for users close to feature or usage thresholds.
  2. Track product engagement patterns that signal fit.
  3. Use Encharge to automatically trigger upgrade emails for these segments.

3. What should I include in an upgrade email?

Your upgrade email should include one strong reason to upgrade, a clear CTA, and a quick visual or breakdown of what’s unlocked. Avoid long feature lists—focus on the outcome. With Encharge, you can personalize this content based on plan, role, or past behavior.

What to include:

  1. One main benefit of upgrading (“Unlock unlimited forms”).
  2. A clean visual or short feature comparison.
  3. A direct CTA button tied to the user’s next step.

If your upgrade includes privacy-related features or compliance tools, take a page from these SaaS privacy policy email examples — they explain sensitive info clearly without scaring users off.

4. Can upgrade emails increase revenue?

Yes—when timed right and personalized, upgrade emails can drive a big portion of your expansion revenue. They’re low-effort and high-impact. With Encharge, you can build upgrade flows that run automatically and adjust based on user intent.

How to maximize revenue:

  1. Set up triggers for high-intent moments (usage spikes, success milestones).
  2. Send targeted upgrade nudges with personalized CTAs.
  3. A/B test messaging in Encharge to find the best-performing pitch.

5. Should I offer incentives in upgrade emails?

Offering incentives (like limited-time discounts or bonuses) can boost conversions, especially for borderline users. Just don’t train users to wait for a deal. With Encharge, you can test upgrade emails with and without offers to see what works best.

How to use incentives wisely:

  1. Offer short-term discounts to users who haven’t converted.
  2. Frame the incentive around urgency (“Upgrade by Friday and save 20%”).
  3. Use Encharge to track redemption and prevent overuse.
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Meet your new marketing automation platform

Customer messaging tools don’t automate workflows outside your product and marketing automation tools are bad at behavior emails. Encharge is the best of both worlds — a marketing automation platform built specifically for B2B SaaS businesses

“Encharge helped us visually redesign our onboarding flow resulting in a 10% increase in our trial activation rate."

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Camille Richon
Founder Payfacile
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