Firefly Sky SEO vs Swift SEO Page Speed Optimizer

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Firefly Sky SEO, Nov 8, 2026 for Swift SEO Page Speed Optimizer.

The short answer

  • Only Swift SEO Page Speed Optimizer lists a free plan. Paid plans start at $29.90/month for Firefly Sky SEO and $9/month for Swift SEO Page Speed Optimizer.
  • Swift SEO Page Speed Optimizer lists 14 features Firefly Sky SEO’s listing doesn’t mention, including Analytics, Automations, Competitor analysis.

Head to head

Detected stores

Firefly Sky SEO: —
Swift SEO Page Speed Optimizer: 409

App Store reviews

Firefly Sky SEO: —
Swift SEO Page Speed Optimizer: 183

New reviews, 28 days

Firefly Sky SEO: —
Swift SEO Page Speed Optimizer: 1

Stores added, 28 days

Firefly Sky SEO: —
Swift SEO Page Speed Optimizer: 6
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—

Image Compression, PageSpeed, Lazy Load JS, Site Speed Booster

Categories
  • SEO
  • SEO
  • Site optimization - Other
Languages
  • English
  • English
  • French
  • Spanish
  • Portuguese (Brazil)
  • +1 more
Launched
Aug 7, 2026
Oct 8, 2020
Built for Shopify
Not badged
Built for Shopify
Reviews per month
—
1 last full month
Detected stores
0active installs
409active installs
  • KHATAM
  • Kesar Appliances
  • Empress Mimi
  • Johnny Dang & Co
  • Twinstunts
+404 more
Most common store size
—
11-50 products20%
Top countries
—
  • United States23%
  • United Kingdom7%
  • Germany6%

Momentum

New reviews each month

Review pace is the clearest public read on how fast an app is winning new merchants.

035SepDecFebMaySepDecJunSwift SEO Page Speed Optimizer: 2 reviews in September 2024Swift SEO Page Speed Optimizer: 1 reviews in October 2024Swift SEO Page Speed Optimizer: 5 reviews in December 2024Swift SEO Page Speed Optimizer: 2 reviews in January 2025Swift SEO Page Speed Optimizer: 1 reviews in February 2025Swift SEO Page Speed Optimizer: 1 reviews in March 2025Swift SEO Page Speed Optimizer: 1 reviews in May 2025Swift SEO Page Speed Optimizer: 2 reviews in August 2025Swift SEO Page Speed Optimizer: 1 reviews in September 2025Swift SEO Page Speed Optimizer: 1 reviews in October 2025Swift SEO Page Speed Optimizer: 1 reviews in December 2025Swift SEO Page Speed Optimizer: 1 reviews in June 2026
Firefly Sky SEOSwift SEO Page Speed OptimizerCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $29.90 to $99/month
From $0 to $29/month
Plans
FreeFree to install
Optional one-time AI packs via Shopify: 500/$5.99; 1,000/$10.90; 2,000/$19.90; 5,000/$47.90; 10,000/$89.90.
  • · 1,500 lifetime unique-image compressions
  • · 3 exact force redirect rules
  • · 50 lifetime welcome AI credits per store
  • · Basic speed-up mode
  • · Live Probe: 300 lifetime trial visits
Pro$29.90/month
7-day free trialOptional one-time AI packs via Shopify: 500/$5.99; 1,000/$10.90; 2,000/$19.90; 5,000/$47.90; 10,000/$89.90.
  • · 1,000 total AI credits after first bill
  • · Connect your own AI model API
  • · Live Probe: 10,000 visits/month
  • · Standard and Turbo speed-up modes
  • · Unlimited image compression
  • · Up to 200 redirects and wildcard rules
Enterprise$99/month
7-day free trialOptional one-time AI packs via Shopify: 500/$5.99; 1,000/$10.90; 2,000/$19.90; 5,000/$47.90; 10,000/$89.90.
  • · 10,000 total AI credits after first bill
  • · Critical CSS and HyperSpeed
  • · Live Probe: 100,000 visits/month
  • · Rocket and Enterprise speed-up modes
  • · Scheduled Auto Alt Optimization
  • · Unlimited image compression
FREEFree
  • · Free insights and analysis
  • · Loading screen customization
  • · Local business snippet
  • · Preloading page resources
  • · Sitemap and llms.txt quick generation
BASIC$9/month
3-day free trial1-on-1 free speed analysis with 5-year experienced Speed Expert
  • · 10 competitors scan/mo
  • · 60-day image backup
  • · All in FREE, Plus:
  • · Basic theme optimization
  • · ChatGPT suggestion
  • · FAQ snippets
PREMIUM$19/month
3-day free trial1-on-1 free speed analysis with 5-year experienced Speed Expert
  • · 30 competitors scan/mo
  • · 90-day backup
  • · Advanced theme optimization
  • · All in BASIC, Plus:
  • · GA4-based preloading
  • · Live chat
PREMIUM Plus$29/month
3-day free trialFree 1 Swift Experts Ticket for Annual Plan
  • · 100 competitors scan/mo
  • · 120-day backup
  • · Advanced SEO features and support
  • · All in Premium, Plus:
  • · Auto optimization
  • · Bulk, auto SEO content
Coverage
22 of 36 features61%
31 of 36 features86%
Unique strengths
  • JSON-LD
  • Keyword analysis
  • Link analysis
  • Page indexing
  • +1 more
  • Analytics
  • Automations
  • Competitor analysis
  • Convert file types
  • +10 more
SEO
61%22/36
86%31/36
Monitoring performance
83%10/12
75%9/12
SEO tools
50%12/24
92%22/24
51714onlybothonly
Firefly Sky SEOSwift SEO Page Speed Optimizer36 features listed across both App Store listings

Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.

See every feature
Works with also listed by another
—
  • Pagespeed Insights
  • Google Lighthouse
  • Core Web Vitals
  • WebPageTest
  • Lossy Compression
  • Google Analytics
How it sells itself

Firefly Sky SEO brings technical SEO, content optimization, image tools, speed controls, structured data, redirects, noindex rules, and Search Console keyword tracking into one workspace. Merchants can scan pages, edit meta titles and descriptions in bulk, generate image alt text, compress images, monitor broken links, and apply storefront improvements with clear status feedback.

With Swift, you can turn the technical headaches of SEO & speed into clicks. Swift's SEO features help optimize your store for the latest Google SEO ranking factors: SEO meta title & description generated by ChatGPT, alt text, redirects, sitemap, in-depth SEO audit, auto SEO scan, and detect missing SEO content. Swift also provides you advanced speed optimization techniques.

Key points
  • Audit pages and fix SEO issues with clear, page-level guidance
  • Edit meta titles and descriptions across products, pages, and blogs
  • Optimize image size, alt text, and filenames in bulk
  • Add structured data, redirects, and indexing controls without code edits
  • Auto-generate SEO meta tags & alt text for products and vital pages with ChatGPT
  • Boost SEO & CTR by getting site on featured snippet: product rating, local, FAQ
  • Preserve your hard-earned SEO efforts with 301 and 302 broken link redirects
  • Stay on top of your competitor SEO performance with in-depth competitor analysis
Screenshots
Redirect manager with rules and visitor access controls
Structured data controls delivered through the app embedSEO workspace for audits, images, speed, and rank trackingImage Alt workspace with AI and image result controls
Get an expert-optimized site for SEO & speed
Submit your sitemap to Google to optimize Google Page SpeedEmploy ‘Pro’ speed optimization techniques with no codeOptimize your SEO content for rich snippets

All the numbers

Every figure, side by side

A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.

Showing only the rows where the apps differ.

Adoption

MeasureFirefly Sky SEOSwift SEO Page Speed Optimizer
Detected storesNot published409as of Nov 8, 2026
Net store change, 28 days0estimated−3estimated
Stores added, 28 daysNot enough data6new and returning
Big-brand shareNot enough data8%of stores of known size
Top store categoriesNot publishedApparel & Accessories, Home & Garden, Health & Beauty
Top store countriesNot publishedUnited States, United Kingdom, Germany

Reviews

MeasureFirefly Sky SEOSwift SEO Page Speed Optimizer
App Store ratingNot published4.5 ★
App Store reviewsNot published183
New reviews, 28 daysNot enough data1
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureFirefly Sky SEOSwift SEO Page Speed Optimizer
Free planNot listedYes
Lowest paid monthly plan$29.90/month$9/month(ahead)
Longest free trial7 days3 days
Plans listed34

Listing

MeasureFirefly Sky SEOSwift SEO Page Speed Optimizer
Shopify category rank#536in SEO#198(ahead)in SEO
Shopify App ChartsNot on this week’s charts#19 in SEO
Built for ShopifyNoYes
LaunchedAug 7, 2026Oct 8, 2020
Languages1English5English, French, Spanish
DeveloperFirefly SkyFireGroup

FAQ

Firefly Sky SEO and Swift SEO Page Speed Optimizer: common questions

Is Firefly Sky SEO or Swift SEO Page Speed Optimizer cheaper?
Only Swift SEO Page Speed Optimizer lists a free plan. Paid plans start at $29.90/month for Firefly Sky SEO and $9/month for Swift SEO Page Speed Optimizer. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
What features does each app list that the other doesn’t?
Firefly Sky SEO lists 5 the others don’t mention, such as JSON-LD, Keyword analysis, Link analysis, Page indexing. Swift SEO Page Speed Optimizer lists 14 the others don’t mention, such as Analytics, Automations, Competitor analysis, Convert file types. A feature missing from a listing may still be supported; this compares what each App Store listing says.
Where does this comparison’s data come from?
Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 14, 2026 for Firefly Sky SEO, Nov 8, 2026 for Swift SEO Page Speed Optimizer; estimated figures are labeled.

How Shoplist compares apps

Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 14, 2026 for Firefly Sky SEO, Nov 8, 2026 for Swift SEO Page Speed Optimizer. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.