NudgeAI‑Valuable Email Capture vs WarmInbox

Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 4, 2026 for NudgeAI‑Valuable Email Capture, Oct 14, 2026 for WarmInbox.

The short answer

  • NudgeAI‑Valuable Email Capture lists 9 features WarmInbox’s listing doesn’t mention, including Email capture list, Email verification, Forms.

Head to head

Detected stores

NudgeAI‑Valuable Email Capture: 4
WarmInbox: —

App Store reviews

NudgeAI‑Valuable Email Capture: 2
WarmInbox: —
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • Email marketing
  • Pop-ups
  • Email marketing
Languages
  • English
  • English
Launched
Apr 23, 2025
Jan 10, 2025
Built for Shopify
Not badged
Not badged
Reviews per month
1 last full month
10 last full month
Detected stores
4active installs
  • XEXYMIX HONGKONG OFFICIAL
  • Kedi Labs
+2 more
0active installs
Most common store size
201-500 products75%
—
Top countries
  • South Korea75%
  • United States25%
—

Momentum

New reviews each month

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

02550FebMarMayJunNudgeAI‑Valuable Email Capture: 1 reviews in May 2025NudgeAI‑Valuable Email Capture: 1 reviews in June 2025WarmInbox: 27 reviews in February 2025WarmInbox: 16 reviews in March 2025WarmInbox: 10 reviews in May 2025
NudgeAI‑Valuable Email CaptureWarmInboxCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
—
$9/month
Plans
Free
WarmInbox Pro$9/month
7-day free trial
  • · 1 email account
  • · AI-powered, simulates human actions
  • · Responses from real accounts
Coverage
11 of 12 features92%
2 of 12 features17%
Unique strengths
  • Email capture list
  • Email verification
  • Forms
  • Landing pages
  • +5 more
  • Automations
Accounts and login
100%4/4
0%0/4
Account management
100%1/1
0%0/1
Customer login
100%3/3
0%0/3
Email marketing
88%7/8
25%2/8
Campaign types
100%4/4
25%1/4
Managing campaigns
75%3/4
25%1/4
1011onlybothonly
NudgeAI‑Valuable Email CaptureWarmInbox12 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
  • In box
  • Klaviyo
  • Mailchimp
  • LoyaltyLion
  • HubSpot
  • Omnisend
—
How it sells itself

NudgeAI helps collect email addresses and real names through Google One Tap authentication. This approach replaces traditional form filling with a one-click process for better email collection. Traditional methods face challenges like typing errors and abandoned forms. NudgeAI connects with active Google accounts to overcome these issues.

WarmInbox helps Shopify merchants keep emails out of spam by simulating real interactions like opens and replies. It improves deliverability, builds sender reputation, and is simple to set up with a user‑friendly dashboard. It's perfect for newsletters, promotions, abandoned cart reminders, and customer follow‑ups. Set it up once and let it run on autopilot.

Key points
  • Sign-up & Sign-in pop-up service optimized for qualified email capture
  • Google One Tap – The ultimate social login technology by Google
  • Instant Sign-up & Sign-in Pages with zero typing – Powered by Google One Tap
  • Nudge UI – Maximize Marketing Permission Rates
  • Uses AI to warm your email account, improving deliverability and avoiding spam
  • Simulates human behavior by automatically interacting with your emails
  • Gets responses from real accounts to enhance your sender reputation
Screenshots
AI-Managed Optimization: More Signups Without the Headaches
Boost Revenue with Seamless SignupBoost Conversions with Quick Signup via Google One TapReach Premium Subscribers & Make Your Email List More Valuable
WarmInbox app dashboard and step 1 "Create campaign"
WarmInbox app modal window where user needs to choose campaignWarmInbox app modal window where user needs to add SMTP detailsPromo image for WarmInbox app

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

MeasureNudgeAI‑Valuable Email CaptureWarmInbox
Detected stores4as of Nov 4, 2026Not published
Net store change, 28 days0estimated0estimated
Stores added, 28 daysNot enough dataNot enough data
Big-brand shareNot enough dataNot enough data
Top store categoriesApparel & Accessories, Animals & Pet SuppliesNot published
Top store countriesSouth Korea, United StatesNot published

Reviews

MeasureNudgeAI‑Valuable Email CaptureWarmInbox
App Store rating5.0 ★Not published
App Store reviews2Not published
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureNudgeAI‑Valuable Email CaptureWarmInbox
Free planNot listedNot listed
Lowest paid monthly planNo monthly plan listed$9/month
Longest free trialNot listed7 days
Plans listedNot published1

Listing

MeasureNudgeAI‑Valuable Email CaptureWarmInbox
Shopify category rank#315in Email marketing#297(ahead)in Email marketing
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedApr 23, 2025Jan 10, 2025
Languages1English1English
DeveloperUNEEDCOMMSOffpista

FAQ

NudgeAI‑Valuable Email Capture and WarmInbox: common questions

What features does each app list that the other doesn’t?
NudgeAI‑Valuable Email Capture lists 9 the others don’t mention, such as Email capture list, Email verification, Forms, Landing pages. WarmInbox lists 1 the others don’t mention, such as Automations. 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 Nov 4, 2026 for NudgeAI‑Valuable Email Capture, Oct 14, 2026 for WarmInbox; 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 Nov 4, 2026 for NudgeAI‑Valuable Email Capture, Oct 14, 2026 for WarmInbox. 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.