MetaMaster: AI SEO Optimizer vs MetaSizer
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 6, 2026 for MetaMaster, Mar 31, 2026 for MetaSizer.
The short answer
- On the Shopify App Store: MetaMaster 4.9 from 42 reviews and MetaSizer 5.0 from 1 reviews.
- MetaMaster lists 17 features MetaSizer’s listing doesn’t mention, including 404 pages, ALT text, Analytics.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Pro
- · Google Analytics (GA4) insights
- · Google Search Console (GSC) integration
- · Rich Snippets (Structured Data) support
- · Unlimited AI Credits
- · Unlimited collection and blog image alt
- · Unlimited homepage SEO score rechecks
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureBoost your SEO with AI-powered optimization for products, collections, pages, and blogs. Find and fix SEO issues, generate SEO titles, meta descriptions and content, create LLMs.txt for AI search visibility, fix broken links, manage redirects, and optimize image alt text.
Shopify API 2026-04 caps JSON metafield writes at 128 KB (down from 2 MB). Apps using JSON before April 1 are grandfathered at 2 MB, but new integrations and manual writes are subject to the cap. Large metafields also impact storefront performance. MetaSizer scans products, variants, collections, and shop metafields in one click. You get exact byte size, percentage of the limit, and risk status for every entry.
- Effortlessly update meta tags and content for any page on your Shopify store.
- Our app scans your pages for SEO errors and provides recommendations for improve
- Quickly update these pages to align with your SEO strategy, helping you attract
- Scan metafields across products, variants, collections, and shop data
- Measure exact byte size and flag metafields near or over the 16KB limit
- View results in a sortable table and export findings as a CSV file
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 |  MetaMaster |  MetaSizer |
|---|---|---|
| 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 | MetaMaster | MetaSizer |
|---|---|---|
| App Store rating | 4.9 ★ | 5.0 ★(ahead) |
| App Store reviews | 42(ahead) | 1 |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | 4% | Not enough data |
Pricing
| Measure | MetaMaster | MetaSizer |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $1/month | No monthly plan listed |
| Longest free trial | Not listed | Not listed |
| Plans listed | 1 | Not published |
Listing
| Measure | MetaMaster | MetaSizer |
|---|---|---|
| Shopify category rank | #76 | Not enough data |
| Shopify App Charts | #13 on Pricing moves in SEO | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Mar 26, 2024 | Mar 23, 2026 |
| Languages | 1 | 1 |
| Developer | myecommerceapp | Kazdov Apps |
FAQ
MetaMaster and MetaSizer: common questions
- Which has better reviews, MetaMaster or MetaSizer?
- On the Shopify App Store: MetaMaster 4.9 from 42 reviews and MetaSizer 5.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- MetaMaster lists 17 the others don’t mention, such as 404 pages, ALT text, Analytics, Audits. MetaSizer lists 3 the others don’t mention, such as Analytics dashboard, Benchmarking, Data export. 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 6, 2026 for MetaMaster, Mar 31, 2026 for MetaSizer; 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 6, 2026 for MetaMaster, Mar 31, 2026 for MetaSizer. 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.