Mailwell vs Promolexa: Competitor Pricing

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Mailwell, Nov 7, 2026 for Promolexa.

The short answer

  • Only Promolexa lists a free plan. Paid plans start at $49/month for Mailwell and $29/month for Promolexa.
  • Mailwell lists 23 features Promolexa’s listing doesn’t mention, including Abandoned cart, Automations, Back-in-stock emails.

Head to head

Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • Email marketing
  • Email marketing
  • Pricing optimization
Languages
  • English
  • English
Launched
Jun 15, 2026
Aug 5, 2026
Built for Shopify
Not badged
Not badged
Reviews per month
—
—
Detected stores
0active installs
0active installs
Most common store size
—
—
Top countries
—
—
Free options
Free planFree trial
Free planFree trial
Monthly range
From $49 to $149/month
From $0 to $149/month
Plans
Starter$49/month
  • · 200 monthly AI credits
  • · Brand standards
  • · Campaign planning
  • · Email-safe HTML export
  • · Klaviyo publishing
  • · Manual editing
Pro$149/month
  • · 750 monthly AI credits
  • · Brand standards
  • · Campaign planning
  • · Email-safe HTML export
  • · Klaviyo publishing
  • · Priority support
FreeFree
  • · 2 rival stores, checked daily
  • · 25 products price-matched
  • · Price suggestions with 1-click undo
  • · Scheduled sales with auto-restore
Starter$29/month
14-day free trial
  • · 30 days of price history
  • · 300 products price-matched
  • · 5 rival stores, checked daily
  • · Automatic repricing by your rules
Growth$79/month
14-day free trial
  • · 1 year of price history + CSV
  • · 15 rival stores, checked daily
  • · 3,000 products price-matched
  • · Automatic repricing by your rules
Pro$149/month
14-day free trial
  • · 1 year of price history + CSV
  • · 15,000 products price-matched
  • · 30 rival stores, checked daily
  • · Automatic repricing by your rules
Coverage
28 of 28 features100%
5 of 28 features18%
Unique strengths
  • Abandoned cart
  • Automations
  • Back-in-stock emails
  • Browse abandonment
  • +19 more
—
Email marketing
100%28/28
18%5/28
Campaign types
100%24/24
17%4/24
Managing campaigns
100%4/4
25%1/4
2350onlybothonly
MailwellPromolexa28 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
—
—
How it sells itself

MailWell is an AI email design studio for Shopify brands. Use your Shopify products, brand direction, and campaign brief to create polished, editable emails for launches, newsletters, product stories, and promos. Preview desktop and mobile layouts, edit sections and CTAs, export email-safe HTML, or publish a custom HTML template to Klaviyo.

Promolexa finds the same products in your competitors' stores, checks their prices daily and sets yours by your rules: beat or match the cheapest rival, never below your margin floor after cost, shipping and fees, and never more than your maximum move. It skips open-box and refurbished listings, ignores sold-out rivals and accounts for their sitewide promo codes.

Key points
  • Generate product-aware email designs from your Shopify catalog
  • Edit sections, copy, CTAs, products, and layout details
  • Preview desktop and mobile email designs before export
  • Export email-safe HTML with built-in QA warnings
  • Launch in seconds, not hours -a full AI launch kit (emails, social posts etc.)
  • Send launch & counter-campaign emails from inside the app via a verified domain
  • Weekly competitor intelligence + 0–100 Health Score
Screenshots
Export panel showing email-safe HTML and QA warnings
Product picker with Shopify catalog items selectedGenerate emailGenerated email preview with editable section controls
Three product description variants, applied in one click
Launch, health, and competitor intel in one consoleAI-generated hero image inside a Promolexa launch kitMonthly store marketing Health Score, 79 out of 100

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

MeasureMailwellPromolexa
Detected storesNot publishedNot published
Net store change, 28 days0estimated0estimated
Stores added, 28 daysNot enough dataNot enough data
Big-brand shareNot enough dataNot enough data
Top store categoriesNot publishedNot published
Top store countriesNot publishedNot published

Reviews

MeasureMailwellPromolexa
App Store ratingNot publishedNot published
App Store reviewsNot publishedNot published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureMailwellPromolexa
Free planNot listedYes
Lowest paid monthly plan$49/month$29/month(ahead)
Longest free trialNot listed14 days
Plans listed24

Listing

MeasureMailwellPromolexa
Shopify category rank#313in Email marketing#314in Pricing optimization
Shopify App ChartsNot on this week’s charts#12 on Pricing moves in Pricing optimization
Built for ShopifyNoNo
LaunchedJun 15, 2026Aug 5, 2026
Languages1English1English
DeveloperMy Swag Copromolexa

FAQ

Mailwell and Promolexa: common questions

Is Mailwell or Promolexa cheaper?
Only Promolexa lists a free plan. Paid plans start at $49/month for Mailwell and $29/month for Promolexa. 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?
Mailwell lists 23 the others don’t mention, such as Abandoned cart, Automations, Back-in-stock emails, Browse abandonment. 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 13, 2026 for Mailwell, Nov 7, 2026 for Promolexa; 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 13, 2026 for Mailwell, Nov 7, 2026 for Promolexa. 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.