Reviews (56)

Overall rating
4.9
Counts per rating level
  • 91% of ratings are 5 stars
  • 2% of ratings are 4 stars
  • 2% of ratings are 3 stars
  • 0% of ratings are 2 stars
  • 5% of ratings are 1 stars
Edited August 4, 2026

Excellent plugin! It significantly improved my website's speed, and the automatic optimizations worked exactly as expected. The setup was simple, and the support team was responsive and helpful whenever I needed assistance. Overall, a great experience—I highly recommend this plugin to anyone looking to boost their website's performance.

veloriaespaña
Spain
9 days using the app
Enigma Apps replied August 4, 2026

Hi, we want to be completely transparent about this review, because none of it is real.

Our app listing is currently the target of an organized review attack tied to an extortion campaign: a person who controls multiple store accounts has been demanding money from us and flipping reviews to 1 star when we refuse to pay. We have reported all of it to Shopify, with evidence, and it is under active investigation. This review is part of that campaign.

Here's what our records show for this store: it installed the app on July 26 and used it exactly once, for under five minutes on July 27. The "automatic optimizations" this review blames were never turned on. No optimization was ever published, which means the app never changed a single line of this store's theme. The damage described here could not have happened, even if we ignore the extensive protections we have for the (fictional) case such as the one described.

No one from this store contacted our support before posting this review. And while the review says the app was removed, it is still installed on this store today.

To every real merchant reading this: we take genuine issues extremely seriously, and helping our merchants - usually within an hour - is the whole way we've built this app. What's described in this review is the exact opposite of how we treat the people who trust us with their stores. If you ever hit a real problem with Thunder, message us and we'll be on it immediately.

- Georgi & the Thunder team

January 22, 2025

I recently started using the Thunder app, and the results have been phenomenal! My Shopify store's loading time has significantly improved, and my customers have noticed the difference. The interface is user-friendly, making it easy for someone without a technical background to navigate and implement optimizations.

The support team is outstanding—they responded to my queries promptly and even provided personalized suggestions to further enhance my store's performance.

Eligo Leather
Pakistan
About 2 hours using the app
December 9, 2024

Been using this for a while, reduces your dalays and helps the site load faster, had a minor inconvenience at first of website glitching out, but the staff were quick on the ball and fixed it

HEVN
Lithuania
23 days using the app
November 18, 2024

This app is fantastic! My website’s loading speed improved instantly, boosting user engagement and SEO. The interface is user-friendly, and it provides clear insights and actionable fixes, plus the support team is excellent. A must-have for anyone looking to optimize their site!

BetterTan
United States
10 months using the app
May 30, 2024

Great app that was easy to set up and improved my site speed significantly without much trouble. But what sets them apart is their support: I was able to speak directly with the owner right off the bat, who was very responsive, and he even ended up helping me solve a problem that wasn't even related to his app! Having a real person to help me with my unique problem is important to me as a sole business operator who doesn't have a tech background, and it's definitely kept me from looking at other page speed apps!

Humble Abode
United States
28 days using the app
October 1, 2023

Nothing but good things to say about my experience with the Thunder page speed team. They promptly helped me out and fixed many issues that were slowing down my store, these were issues made by other apps and "specialists". Thanks again can wholeheartedly reccomend!

Schnellste schnelle Brillen
Germany
8 days using the app
August 28, 2023

I recently started using this app for my store, and I've been absolutely blown away by the results! Within 15 minutes, my pagespeed score DOUBLED (40 to 80!!!) and my speed score in Shopify has been increasing every day. Special shoutout to George. His expertise, quick responses, and willingness to help went above and beyond my expectations. He even implemented some custom optimizations for my store. If you're scrolling through the app store, deliberating over which speed optimization app to choose – stop right here. With blazing fast improvements and stellar support, you've got all you need. Full five stars from me!

LovelyMe
Bulgaria
12 days using the app
July 23, 2023

There were some minor issues in the beginning, but George handled them promptly and efficiently. Considering this is a free app, the support is better than most premium apps. George went above and beyond to handle everything and together we managed to improve my website's PageSpeed to an all time high score, now passing all Core Web Vitals metrics. I recommend this app to anyone in need of improving their PageSpeed score in a safe and efficient way. Be sure that you're in good hands with George and Thunder app.

Hoop Mentality
Serbia
7 days using the app
Edited November 8, 2025

Okay so my service earlier with them wasnt that good, but there customer staff actually contacted me and he even go 1 step ahead for optimizing the website. current i am testing the optimization, i will for sure update about it.... but for the customer Support, and the help they have done..... It was great

ShopLovii
Pakistan
6 days using the app
Enigma Apps replied November 4, 2025

Hey there,

Sorry for the bug with the optimized preview. We've been trying to get in touch over email and we'd be more than happy to help out and sort out the bugs.

Best,
George

February 17, 2025

App is good and Georgi is quite cooperative as a support person. Highly Recomended

Rang Jah
United Kingdom
About 1 year using the app