142+ Best Feedback Email Subject Lines [2024]

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Updated: January 20th, 2022

If you're looking to boost your email open rates and increase sales, your email subject line is the first (and most important) step in achieving those goals.

Did you know that 33% of email recipients open emails because of an engaging subject line?

That's why it's critical to craft a catchy email subject line that will get you the traffic and conversions you deserve.

We've put together a list of 142+ best feedback email subject lines [2024].

Some are proven examples from other successful campaigns, and some are creative ideas to inspire you.

Creative Email Subject Line Ideas

Please share your experience with us
{Customer name}, what can we do to earn a review from you?
We’d like to hear your insights on the meeting.
Respond now and win an Amazon gift card
Got a minute to spare your feedback after our webinar?
We value your insight
{Customer name}, do you disagree with {negative reviewer name}?
{Customer name}, what do you think we should change about {service}?
Was <product> all you hoped for? Let us know!
Well, look at you! How is your <product> working for you?
How do you like <product/brand> ?
{Customer name}, you’re in the top 3%, what do you think?
{Customer name}, {reviewer name} says you want this. Are they right?
Be honest – what did you think?
How likely are you to recommend [company] to a friend?
Is there anything we can do to make our (service/product) better for you?
{Customer name}, he thinks you don’t know what you’re talking about…
Thank you for being honest with us! Here’s a special gift for you!
Thanks for your comments! You make us better.
{Customer name}, this means so much to [me] thank you so much
Please let us know your feedback on the meeting!
We value your feedback!
{Customer name}, you’ve always been the best at…
Thank you for joining us! How did you like it?
{Customer name}, you’re a know-it-all… and we love that about you
So glad to have you as a customer. Thank you for your support.
How can we help you?
How was your stay at our place?
{Customer name}, thank you so much for…
{Customer name}, {negative reviewer name} says this is the worst thing about us…
{Customer name}, you’re part of an elite group…
[First name], what do you think about [new product/service/company]?
Complete this short survey for an X% discount coupon!
Got a minute to spare?
Help improve [business name]
Cast your vote! Win up to 40% off!
Your opinion matters to us
[recipient name] – take our survey, earn 30% off
{Customer name}, you couldn’t even say thank you
Hi [recipient name], how does your new [product] fit?
“This is the worst I’ve ever had in my life!”
If you enjoyed the event, spare 2 minutes to share your experience!
What do you think about the subtle changes to our {product}?
Your help is requested
Thanks for visiting! Here’s a link to share your review
We’re listening! (accompanied by a 20% discount for completing a survey email)
Make our newsletter even better
{Customer name}, what if we decided to add this to our {service}?
{Customer name}, {negative reviewer name} said some really nasty things about us…
How can we make [service] work for you?
{Customer name}, no one likes jerks but you? You’re a… [In body of email: You’re an incredible customer, etc.]
Hi [recipient name], can we talk?
Are you satisfied with <brand> ? Let us know how we can improve
What are your thoughts on the recent meeting?
We need your input!
Please help us improve. Tell us if you enjoyed our webinar.
Cast your vote, and 50% off your next purchase is all yours!
They said: “{Quote from a negative review.}” Are they right?
“You’re nothing but a dirty scammer…”
“They’re not bad, but they’re not good either.”
{Customer name}, you’re our most knowledgeable customer. Are they right?
Be honest, what do you think of our new (product)?
Your opinion matters to us. Tell us how you feel!
You have a [product]. And an opinion
Tell us more about the [product] you bought yesterday [recipient name]
{Customer name}, would you work with us again?
{Customer name}, what should we fix/keep doing?
Heads or tails? Would you rather have: (accompanied by a choice of perks in the body of the email)
{Customer name}, you’re not really likable, are you? [In body of email: They’re loveable. Then explain why]
Hey {Customer name}, are you willing to be radically honest with us?
Help out the underdog! Vote for company name
“You’re ripping people off.”
They said: “{Quote from a positive review.}” Do you agree?
So {Customer name}, {negative reviewer} says we need {xyz}. Do you agree?
{Customer name}, my [mother/father/wife/husband/other] cried when she saw your email
What (features/product) would you like from us next?
Care to share your experience with us? We’re listening!
Your honest opinion can help us improve
How was your recent experience with <brand> ?
{Customer name}, Did we earn your trust?
{Customer name}, you’ll have our gratitude forever
Want to share your point of view?
Was (product) all you hoped for? Let us know!
{Customer name}, you know something others don’t. You know…
Your feedback is valuable to us. Thank you for your time!
{Customer name}, would this make our {service} better for you?
Hi {Customer name}, can we ask you {#} questions? Takes {#} min.
You’re our [biggest] customer. Is this wrong?
Tell us about your experience with [company name/auxiliary service]?
Let’s keep our conversation going
Did you enjoy the experience with (brand)?
Help improve <brand> by taking this short survey
{Customer name}, you’re in the top 2%. One of our best customers and…
{Customer name}, it’s our Last Chance to Fight Back. With your help, we can win.
{Customer name}, thank you from the bottom of our hearts
We value your insights. How was your meeting with (brand)?
{Customer name}, is this really what you stand for? [In body of email: You’re all about fairness, kindness, etc.]
“It’s almost impossible to reach you.”
“I have mixed feelings about this place.”
Urgent: {Customer name}, we’re in trouble, and we need your help…
How was your experience with [company name/auxiliary service]?
{Customer name}, why on earth would you do that?
{Customer name}, {reviewer name} says you should avoid us at all costs!
(Customer Name), we need you. Can you help us by leaving a review?
Get X% off for giving us your valuable suggestions!
“{Customer name}, the owner of {business} is a horrible person.”
Be honest – what do you think of your new [product]?
What are your thoughts on the event? We’d love to know!
{Customer name} they said we {Lied}. We didn’t. We need your help ASAP.
Special thanks from our CEO!
Did you enjoy dinner at [company name/dining hall name] today?
{Customer name} can you help? {Negative reviewer name} accused us of…
{Customer name}, who do you think you are? [In body of email: You’re a [rockstar], that’s who]
{Customer name}, did you know you’re friends with a liar
What did you think, <Name> ?
Thank you for being there! Did you have a pleasant experience?
Exclusive ticket price for the next event for your feedback!
Did you find the webinar informational? Let us know.
<Name> , can we chat?
Leave us a review, enjoy a 10% flat discount on your next purchase.
Now you can earn (reward) just by leaving a review today!
Help needed ASAP: {Customer name}, it’s horrible. They’re accusing us of…
We want to hear you (and give you 50% off)!
How was your recent airport experience, [recipient name]?
Let’s keep our conversation going!
{Customer name}, is it a mistake to add this to our {service}?
“I’d give them zero stars if I could.”
Urgent: {Customer name}, we’re being attacked. Can you help us fight back?
Our customers aren’t good… [In body of email: They’re the best. Then explain why]
How was your service at [company/facility]?
{Customer name}, you’re an {attribute}. What do you think about…?
We can’t improve without your help
{Customer name}, you’re the only one who cared. Thank you
How did we do, [first name]?
You’re one of our [first] customers. What do you think?
{Customer name} you’re amazing! Here’s what you did for us.
How was our webinar? Please share your experience with us.
Would you like to help us by sharing your feedback?
You know us better than anyone else. What do you think?
Got a minute?
“{Customer name}, I’ve had better than you…”
Liked our (product/service)? Tell us, and we’d love to hear about it!
We’re offering a special gift for telling us what you think

GUIDE: How To Write A Great Subject Line

As we mentioned above, crafting a catchy subject line is critical to the performance of your email campaign.

While just a few words may seem like a small piece of your overall message, this is the first impression your audience will have before they decide whether to open your email.

If your subject line isn't engaging or appealing enough, there's a chance it could get buried in your reader's inbox.

Let's go over the proven tips on how to craft a subject line that boosts engagement:

What makes a great subject line?

First, let's discuss the fundamentals of creating a great subject line:

Spark interest and curiosity
A clear and urgent call to action
An offer/intriguing discount
Personalization (this can be done by sending out different versions of emails to subscribers based on their preferences)
Relevance - make sure your subject line covers the current trends and topics within your industry

5 Tips To Crafting a Great Subject Line

Now, let's dive into the specifics of how to create a great subject line for your next campaign:

1. Use a familiar sender name

Although this may seem obvious, it's a piece many marketers miss the ball on.

Your readers want to feel like your email is coming from a human and not a corporation or automated system.

One of the easiest and most effective ways to do this is by changing the sender's name to YOUR name or someone in the company that is well known.

Here's a great example of this from Marketing Examples

Pro Tip

Avoid the "no-reply" sender name at all costs. This makes your email feel unfamiliar, unapproachable, and less personable.

2. Keep your subject short and to the point

If your subject line is too long, it will get cut off, which could impact your reader's chances of opening your email.

The rule of thumb (for both mobile and desktop) is to keep your subject line under 50 characters.

3. Add personal touches to your subject line

If you have access to information about your subscriber (ie. name, location, etc), you can use this to benefit your subject line and catch your readers attention.

It's important not to go overboard here, but adding even the simplest touch such as their name can build trust and rapport.

Here's a great example of a personalized email + offer I received from BarkBox with my dog's name in the subject line:

4. Avoid making any false promises

Your subject line makes a commitment to your reader, so it's important you don't stretch the truth just to simply get more opens and clicks.

In the grand scheme of things, making false promises will end up hurting your open rate as your readers will lose trust in you.

5. Give them a sneak peek of what's inside

Telling your subscriber what is inside helps with open and clicks.

For example, if you're providing your reader with a free guide or e-book, consider making your subject line something along the lines of:

"Your FREE marketing e-book awaits!"

Conclusion

If you want your email campaign to perform well, it all starts with your subject line.

Think about the emails you receive in your inbox and what makes you click vs what gets buried - odds are, the same habits go for your customer.

We hope you enjoyed our guide + list of 142+ best feedback email subject lines [2024].

meet the author

Pat Walls

I'm Pat Walls and I created Starter Story - a website dedicated to helping people start businesses. We interview entrepreneurs from around the world about how they started and grew their businesses.

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