Interlinker ‑ SEO Link Audit vs SEO Alpin : AI SEO Optimizer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Feb 19, 2026 for Interlinker, Oct 28, 2026 for SEO Alpin.
The short answer
- Only SEO Alpin lists a free plan.
- SEO Alpin lists 17 features Interlinker’s listing doesn’t mention, including 404 pages, AI generation, ALT text.
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 AI credits / month
- · Bulk image compression & alt-text
- · Duplicate and cannibalization detection
- · Google Search Console & GA4 connexion
- · Internal linking and sitemap editing
- · Link building and GEO plateform
Pro
- · 200 AI credits / months
- · Bulk keyword assignment
- · Everything in Free
- · Keywords research : volume and difficult
- · Whole-store AI optimisation
Max
- · 1,000 AI credits / month
- · 15 Articles per months
- · Automatic blog : Drive trafic and sales
- · Everything in Pro
- · Products and collections in blog post
- · Your colours, author and tone
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureInterlinker: SEO Link Audit helps you master your store’s internal link structure. Our health dashboard identifies critical "Orphan Pages" with no internal links and "Dead Ends" that trap users and search crawlers. Improve your technical SEO by identifying insecure HTTP links and resolving "Anchor Cannibalization" where multiple pages compete for the same keyword.
SEO Alpin will be your co-pilot in optimizing your store, whether you're an expert or a novice. With our dashboard that shows you SEO problems to fix with an SEO score, tools for detecting broken links, cannibalization, duplicate content and optimization tools for meta tags, images, internal link building and competitor analysis.
- Link Health Dashboard: View site health, link density, and SEO opportunities
- Orphan & Dead End Detection: Find pages with no internal links or outbound paths
- Anchor Cannibalization Alerts: Spot pages competing for the same target keyword
- Security Audits: Automatically detect insecure HTTP links affecting your store
- Avoid 404 errors with the detection and fixing of broken links
- Save time with the AI generation of meta tags
- Detect with ease images with no alt-text and add text with IA
- Ensure unique content with our duplicate content detection tool
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 |  Interlinker |  SEO Alpin |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| 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 | Interlinker | SEO Alpin |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 4 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Interlinker | SEO Alpin |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $19.99/month |
| Longest free trial | Not listed | 3 days |
| Plans listed | Not published | 3 |
Listing
| Measure | Interlinker | SEO Alpin |
|---|---|---|
| Shopify category rank | #352 | #157(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Feb 18, 2026 | May 6, 2025 |
| Languages | 1 | 2 |
| Developer | SERPBOSS LLC | Clickroad - Agence SEO |
FAQ
Interlinker and SEO Alpin: common questions
- Is Interlinker or SEO Alpin cheaper?
- Only SEO Alpin lists a free plan. 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?
- Interlinker lists 4 the others don’t mention, such as Internal linking, SEO analysis, SEO score, URL optimization. SEO Alpin lists 17 the others don’t mention, such as 404 pages, AI generation, ALT text, Analytics. 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 Feb 19, 2026 for Interlinker, Oct 28, 2026 for SEO Alpin; 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 Feb 19, 2026 for Interlinker, Oct 28, 2026 for SEO Alpin. 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.