Certhis NFT App vs Overflo

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 Certhis NFT, Nov 6, 2026 for Overflo.

The short answer

  • Paid plans start at $49.99/month for Certhis NFT and $50/month for Overflo.
  • Overflo lists 16 features Certhis NFT’s listing doesn’t mention, including Campaigns, Certificates, Collections.

Head to head

App Store reviews

Certhis NFT: —
Overflo: 1
Open this comparison in ShoplistFree account. Every feature, store and change, side by side.
Pitch
—
—
Categories
  • NFTs and tokengating
  • Loyalty and rewards
Languages
  • English
  • English
Launched
Jun 28, 2023
Sep 17, 2021
Built for Shopify
Not badged
Not badged
Reviews per 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.

035FebMarOverflo: 3 reviews in February 2023Overflo: 2 reviews in March 2023
Certhis NFTOverfloCompleted months only
Free options
Free planFree trial
Free planFree trial
Monthly range
From $49.99 to $399.99/month
From $50 to $300/month
Plans
Free PlanFree to install
1-time Blockchain gas fee (few cents) on polygon
  • · - Auto-generated wallet
  • · - Send up to 15 Free NFTs
  • · - Unlimited Collection
Basic Plan$49.99/month
1-time Blockchain gas fee (few cents) on polygon
  • · - Auto-generated wallet
  • · - Send up to 50 NFTs per month
  • · - Unlimited Collection
Pro Plan$149.99/month
1-time Blockchain gas fee (few cents) on polygon
  • · - Auto-generated wallet
  • · - Send up to 200 NFTs per month
  • · - Unlimited Collection
Premium Plan$399.99/month
1-time Blockchain gas fee (few cents) on polygon
  • · - Auto-generated wallet
  • · - Send up to 1000 NFTs per month
  • · - Unlimited Collection
FreeFree to install
10% of membership revenue
Starter$50/month
5% of membership revenue
Pro Plan$300/month
2.5% of revenue
Coverage
0 of 16 features0%
16 of 16 features100%
Unique strengths
—
  • Campaigns
  • Certificates
  • Collections
  • Custom contracts
  • +12 more
NFTs and tokengating
0%0/16
100%16/16
Gating and access
0%0/8
100%8/8
NFT setup
0%0/5
100%5/5
Token support
0%0/3
100%3/3
0016onlybothonly
Certhis NFTOverflo16 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
—
  • Checkout
  • Magic Wallet
  • Wallet Connect
  • polygon
  • crossmint
  • Klavyio
  • Postscript
How it sells itself

Certhis NFT App empowers you to send seamlessly NFTs to your customers by email as the digital version of their products, fidelity card, rewards, digital giveaways... Discover the potential of NFTs in e-commerce, enhancing customer loyalty and engagement. Create personalized NFTs or have the NFT as a digital version of your products, setting your brand apart and attracting a wider audience.

Overflo helps golf brands run membership clubs on Shopify. Offer paid and free tiers with points, VIP perks and free shipping, with member pricing that applies automatically at Shopify POS. Every member gets an Apple Wallet pass your staff scan with their phone to verify. Run members-only releases with early access, sell event passes, and connect Klaviyo. Want it done for you?

Key points
  • Send by email NFTs to your customers based on products or custom designs
  • No customer wallet required for a seamless user experience
  • Boost your revenue
  • Track NFT sales, customer details, and manage rewards
  • Leverage real brand love: Find your most loyal fans, foster genuine engagement.
  • Always stay connected: connect with your community across multiple touchpoints.
  • Build a superfan community: offer tailored rewards to top-tier fans.
  • Unlock revenue channels: monetize community with memberships and collectibles.
Screenshots
Step 4
Certhis NFT AppStep 2Step 1
Turn your customers into owners by leveraging digital ownership
Attach a variety of exclusive perks to your digital productsExample of ownership program: Buckets ClubCreate digital products that represent a piece of your brand

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

MeasureCerthis NFTOverflo
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

MeasureCerthis NFTOverflo
App Store ratingNot published5.0 ★
App Store reviewsNot published1
New reviews, 28 daysNot enough data0
Reviewers a year or more inNot enough dataNot enough data

Pricing

MeasureCerthis NFTOverflo
Free planNot listedNot listed
Lowest paid monthly plan$49.99/month(ahead)$50/month
Longest free trialNot listedNot listed
Plans listed43

Listing

MeasureCerthis NFTOverflo
Shopify category rank#9in NFTs and tokengatingNot enough data
Shopify App ChartsNot on this week’s chartsNot on this week’s charts
Built for ShopifyNoNo
LaunchedJun 28, 2023Sep 17, 2021
Languages1English1English
DeveloperCerthisOverflo

FAQ

Certhis NFT and Overflo: common questions

Is Certhis NFT or Overflo cheaper?
Paid plans start at $49.99/month for Certhis NFT and $50/month for Overflo. 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?
Overflo lists 16 the others don’t mention, such as Campaigns, Certificates, Collections, Custom contracts. 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 Certhis NFT, Nov 6, 2026 for Overflo; 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 Certhis NFT, Nov 6, 2026 for Overflo. 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.