Retain AI: Winback emails vs リピート対策!かんたんSTEPメール

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

The short answer

  • Only Retain AI lists a free plan. Paid plans start at $49/month for Retain AI and $50/month for リピート対策!かんたんSTEPメール.
  • Retain AI lists 4 features リピート対策!かんたんSTEPメール’s listing doesn’t mention, including AI generation, Automations, Discounts.

Head to head

App Store reviews

Retain AI: 3
リピート対策!かんたんSTEPメール: —
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
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Categories
  • Email marketing
  • Email marketing
Languages
  • English
  • Japanese This app is not translated into English
Launched
Jul 5, 2024
Jan 17, 2022
Built for Shopify
Not badged
Not badged
Reviews per month
1 last full month
—
Detected stores
0active installs
0active installs
Most common store size
—
—
Top countries
—
—

Momentum

New reviews each month

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

012JulAugRetain AI: Winback emails: 2 reviews in July 2024Retain AI: Winback emails: 1 reviews in August 2024
Retain AIリピート対策!かんたんSTEPメールCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $49/month
From $50 to $99/month
Plans
TrialFree
  • · Automated 1:1 winback emails
  • · Free until your first conversion
  • · Pause any time
  • · Track conversions and revenue
Growth$49/month
  • · Automated 1:1 winback emails
  • · Pause any time
  • · Send 500 personalized emails per month
  • · Track conversions and revenue
ノーマルプラン$50/month
14-day free trial
  • · シナリオメールが作成配信できます
  • · 効果測定ができます
スタンダードプラン$99/month
14-day free trial
  • · 効果測定ができます
  • · 複数のシナリオメールが商品毎で作成配信できます
Coverage
4 of 4 features100%
0 of 4 features0%
Unique strengths
  • AI generation
  • Automations
  • Discounts
  • Win-back emails
—
Email marketing
100%4/4
0%0/4
Campaign types
100%2/2
0%0/2
Managing campaigns
100%2/2
0%0/2
400onlybothonly
Retain AIリピート対策!かんたんSTEPメール4 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
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—
How it sells itself

Retain AI is a fully automated way for consumer brands on Shopify to turn one-time shoppers into repeat customers. It creates and sends 1:1 emails to your customers 90 days after a purchase, bringing them back to shop again. Each email is tailored to that customer’s purchase history, and the email is complete with a custom image and individual promo code.

“リピート客を増やす”ための STEPメールがかんたんに 定額料金で無制限にメール配信できる 日本製アプリです。 ステップメールは、Shopifyの注文データや商品情報を自動連係して、お客様毎の購入日等を起点に、かんたんに自動でステップメールの設定・配信可能です。まずはお客様へのフォローとして標準でご利用ください。 ■かんたんSTEPメール ステップメールは、Shopifyの注文データや商品情報を自動連係して、お客様毎の購入日等を起点に、かんたんに自動でステップメールの設定・配信可能です。まずはお客様へのフォローとして標準でご利用ください。 ■プラン スタンダードプランに加入していただくと、商品毎のステップメールが作成可能になり、お客様への細かいステップメールが可能になります。 ノーマルプランでは、ステップメールの作成が可能です。 日本製なので、アプリ内も日本語で使いやすくなっていて、…

Key points
  • Install the Retain AI Shopify app and it will analyze your brand and sales.
  • Retain AI will identify customers who purchased 90+ days ago, but nothing since
  • Then it generates a personalized email for each customer and shows you a preview
  • 90 days after a customer purchases, Retain AI sends them a personalized email
  • 初心者でもリピート対策。リピート対策の基本であるSTEPメールがかんたんに設定できます。受注・商品情報を自動連係し、購入日等を起点に、自動でSTEPメール
  • 無制限にメール配信可能。何通でもメールできるのでコストの心配はいりません。リピート対策としては安心のサービスとなります。シナリオやメールのテンプレートもあり
  • 日本のEC向けアプリ。日本語での説明は分かりやすく、また使いやすく設計してあります。アプリ内やメールサポートも日本語で対応しております。
Screenshots
Drive repeat orders with emails generated by AI
Set up in three steps -- start sending emails right awayEasily see orders and revenueFree until your first conversion!
リピート対策!かんたんSTEPメール (LTV-Lab FOR shopify)
メールテンプレート無制限にメール配信可能!日本のEC向けアプリ!

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

MeasureRetain AIリピート対策!かんたんSTEPメール
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

MeasureRetain AIリピート対策!かんたんSTEPメール
App Store rating5.0 ★Not published
App Store reviews3Not published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureRetain AIリピート対策!かんたんSTEPメール
Free planYesNot listed
Lowest paid monthly plan$49/month(ahead)$50/month
Longest free trialNot listed14 days
Plans listed22

Listing

MeasureRetain AIリピート対策!かんたんSTEPメール
Shopify category rankNot enough data#345in Email marketing
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedJul 5, 2024Jan 17, 2022
Languages1English1Japanese This app is not translated into English
DeveloperChatdesk Inc DBA Remarkable AI株式会社LTV-X

FAQ

Retain AI and リピート対策!かんたんSTEPメール: common questions

Is Retain AI or リピート対策!かんたんSTEPメール cheaper?
Only Retain AI lists a free plan. Paid plans start at $49/month for Retain AI and $50/month for リピート対策!かんたんSTEPメール. 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?
Retain AI lists 4 the others don’t mention, such as AI generation, Automations, Discounts, Win-back emails. 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; 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. 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.