Flash Auction vs Kernvel AI Auctions

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 Flash Auction, Nov 7, 2026 for Kernvel AI Auctions.

The short answer

  • On the Shopify App Store: Flash Auction 5.0 from 3 reviews and Kernvel AI Auctions 5.0 from 12 reviews.
  • Both list a free plan. Paid plans start at $8.99/month for Flash Auction and $6.99/month for Kernvel AI Auctions.
  • Kernvel AI Auctions lists 8 features Flash Auction’s listing doesn’t mention, including AI-powered rules, Analytics, Auto-approve.

Head to head

App Store reviews

Flash Auction: 3
Kernvel AI Auctions: 12
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • Pricing optimization
  • Pricing quotes
  • Pricing optimization
  • Pricing quotes
Languages
  • English
  • English
Launched
Nov 11, 2025
Apr 2, 2026
Built for Shopify
Not badged
Not badged
Reviews per month
1 last full month
2 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.

0510NovFebMayJulSepFlash Auction: 2 reviews in November 2025Flash Auction: 1 reviews in January 2026Flash Auction: 2 reviews in February 2026Flash Auction: 1 reviews in July 2026Flash Auction: 1 reviews in August 2026Kernvel AI Auctions: 7 reviews in April 2026Kernvel AI Auctions: 1 reviews in May 2026Kernvel AI Auctions: 1 reviews in June 2026Kernvel AI Auctions: 1 reviews in July 2026Kernvel AI Auctions: 2 reviews in August 2026Kernvel AI Auctions: 2 reviews in September 2026
Flash AuctionKernvel AI AuctionsCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $0 to $24.99/month
From $0 to $39.99/month
Plans
FreeFree
  • · 1 Auctions per Month
  • · Automated Popcorn Bidding
  • · Automated Proxy Bidding
  • · Customizable Auction Widget
  • · Instant Buyout Option
  • · Penny Auction Products
Basic$8.99/month
  • · 16 Auctions Monthly
  • · All Free Plan Features
  • · Auctions on Collections
  • · Auto Winner Declaration
  • · Self-Design Custom Widget
Pro$24.99/month
  • · All Basic Plan Features
  • · Auto Email Notifications
  • · Bulk CSV Uploads
  • · Manual Bid Creation
  • · Priority Support Access
  • · Unlimited Auctions
FreeFree
  • · 1 active auction
  • · AI pricing hints on creation
  • · Basic auction management
  • · Email notifications (transactional only)
  • · Fraud detection on all bids
Starter$6.99/month
14-day free trial
  • · 1 email provider integration
  • · 10 AI content generations/month
  • · 10 active auctions
  • · 3 email campaigns/month (500 sends)
  • · All notification channels
  • · Basic analytics
Pro$14.99/month
14-day free trial
  • · 100 AI content generations/month
  • · 100 active auctions
  • · 2 email provider integrations
  • · 20 email campaigns/month (5,000 sends)
  • · 3 automation rules
  • · Advanced AI analytics & insights
Enterprise$39.99/month
14-day free trial
  • · 1,000 active auctions
  • · 10 automation rules
  • · 2 email provider integrations
  • · 50 email campaigns/month (25,000 sends)
  • · 500 AI content generations/month
  • · Advanced AI analytics & reporting
Coverage
14 of 22 features64%
18 of 22 features82%
Unique strengths
  • Auto-repricing
  • Custom links
  • Custom pricing
  • Pop-ups
  • AI-powered rules
  • Analytics
  • Auto-approve
  • Auto-decline
  • +4 more
Pricing optimization
67%4/6
67%4/6
Monitoring
67%2/3
100%3/3
Pricing management
67%2/3
33%1/3
Pricing quotes
63%10/16
88%14/16
Customization
80%4/5
60%3/5
Notifications
75%3/4
100%4/4
Pricing rules
43%3/7
100%7/7
4108onlybothonly
Flash AuctionKernvel AI Auctions22 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

Run seamless product auctions with The Flash Auction App. Create unlimited auctions, enable live bidding, and manage multiple winners with ease. Merchants can track bids, manage participants, and view insights from a powerful dashboard. Customers receive automated email alerts for bids, wins, and updates.

Turn store products into auctions with standard, proxy, popcorn, Dutch, sealed or penny bidding. Set reserves, schedules and Buy Now options to fit each sale. Give bidders a My Bids page to track bids and complete winning purchases. Send auction emails and review bidding activity. Use suggested pricing and bulk auction creation to put more products up for bidding.

Key points
  • Create unlimited product and variant auctions with multi-currency support
  • Set flexible reserve prices, bid increments, and buyout options effortlessly
  • Enable proxy bidding and penny product to deliver a seamless bidding experience
  • Support popcorn bidding with auto time extension on last-moment bids
  • Proxy / Automatic Bidding, Popcorn Bidding ( Anti-snipe )
  • Dutch Auctions, Penny, Sealed Bidding, Reserve and Buy out features
  • Email alerts, customizable email templates, email marketing integration.
  • AI Powered fraud analysis, Winner Prediction and Timing Optimization
Screenshots
—
Auto Generate Auctions
Auction Management and Types - Kernel labsAuction Customer endFeatures

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

MeasureFlash AuctionKernvel AI Auctions
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

MeasureFlash AuctionKernvel AI Auctions
App Store rating5.0 ★5.0 ★
App Store reviews312(ahead)
New reviews, 28 daysNot enough dataNot enough data
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureFlash AuctionKernvel AI Auctions
Free planYesYes
Lowest paid monthly plan$8.99/month$6.99/month(ahead)
Longest free trialNot listed14 days
Plans listed34

Listing

MeasureFlash AuctionKernvel AI Auctions
Shopify category rank#55in Pricing quotes#43(ahead)in Pricing quotes
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedNov 11, 2025Apr 2, 2026
Languages1English1English
DeveloperNexlerateKernvel Labs

FAQ

Flash Auction and Kernvel AI Auctions: common questions

Is Flash Auction or Kernvel AI Auctions cheaper?
Both list a free plan. Paid plans start at $8.99/month for Flash Auction and $6.99/month for Kernvel AI Auctions. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
Which has better reviews, Flash Auction or Kernvel AI Auctions?
On the Shopify App Store: Flash Auction 5.0 from 3 reviews and Kernvel AI Auctions 5.0 from 12 reviews.
What features does each app list that the other doesn’t?
Flash Auction lists 4 the others don’t mention, such as Auto-repricing, Custom links, Custom pricing, Pop-ups. Kernvel AI Auctions lists 8 the others don’t mention, such as AI-powered rules, Analytics, Auto-approve, Auto-decline. 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 Flash Auction, Nov 7, 2026 for Kernvel AI Auctions; 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 Flash Auction, Nov 7, 2026 for Kernvel AI Auctions. 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.