Authentica: COA Certificates vs Norrstone: Jewelry & Watch DPP
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 29, 2026 for Authentica, Nov 11, 2026 for Norrstone.
The short answer
- Both list a free plan. Paid plans start at $7.99/month for Authentica and $99/month for Norrstone.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 50 certificates per month
- · Auto-issue + certify past orders
- · Email certificate to buyer
- · Full designer, your logo & fields
- · Klaviyo, webhooks & Flow triggers
- · Numbered editions + ownership transfer
Starter
- · 500 certificates per month
- · Edition register extras on labels
- · Everything in Free
- · Pre-issue pieces, assign to orders
- · Print-ready SVG/PNG QR files
- · Remove Authentica branding
Pro
- · 5,000 certificates per month
- · Activation checks + priority support
- · Certificate pages on your own domain
- · Developer API + full JSON export
- · Everything in Starter
- · Private piece photos
Free
- · 5 certified certificates per month
- · Catalog mirrored from your store
- · Customer vault on web, iOS and Android
- · Unlimited registered certificates
Pro
- · Customer CRM, messaging and automations
- · GIA, IGI and HRD lab report lookups
- · Insurance referral for certified pieces
- · Unlimited certified certificates
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAuthentica is anti-counterfeit protection that gives every item its own serial-numbered Certificate of Authenticity and QR code the moment an order is paid. Buyers and future owners verify it on your store, by QR or NFC, in 15 languages. Each certificate is cryptographically signed and EU Digital Product Passport (DPP) ready, with GS1 Digital Link. No blockchain.
Norrstone turns the jewelry and watches in your catalog into certified pieces. Connect your store read-only and your products mirror automatically. Issue a certificate in two minutes, with metal, stones, setting, origin and the lab report, and your customer claims it in a private vault on web, iOS and Android. They get proof of what they own.
- Every paid order gets its own serial-numbered Certificate of Authenticity.
- Buyers scan a QR code to verify an item is genuine on your own store.
- Design the certificate yourself with a drag-and-drop editor and live preview.
- Record ownership transfers so the certificate follows the item to new owners.
- Read-only connection: Norrstone can never modify your products or orders
- Automatic catalog sync, so every product is ready to certify
- One-click lab report lookup: GIA, IGI, HRD Antwerp and GCAL by Sarine
- Digital Product Passport fields built in, ahead of EU requirements
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.
Adoption
| Measure |  Authentica | |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | Not enough data |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Authentica | |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 2 | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Authentica | |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $7.99/month(ahead) | $99/month |
| Longest free trial | 14 days | Not listed |
| Plans listed | 3 | 2 |
Listing
| Measure | Authentica | |
|---|---|---|
| Shopify category rank | #19 | Not enough data |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 13, 2026 | Nov 11, 2026 |
| Languages | 1 | 1 |
| Developer | Tripster Developers | Norrstone ehf |
FAQ
Authentica and Norrstone: common questions
- Is Authentica or Norrstone cheaper?
- Both list a free plan. Paid plans start at $7.99/month for Authentica and $99/month for Norrstone. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- 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 29, 2026 for Authentica, Nov 11, 2026 for Norrstone; 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 29, 2026 for Authentica, Nov 11, 2026 for Norrstone. 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.