Fieldify vs MetaSizer
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 Fieldify, Mar 31, 2026 for MetaSizer.
The short answer
- On the Shopify App Store: Fieldify 3.8 from 5 reviews and MetaSizer 5.0 from 1 reviews.
- Fieldify lists 19 features MetaSizer’s listing doesn’t mention, including Booleans, Bulk import and export, Collections.
Head to head
Custom Metafields | Data Storage | Data Display
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic Plan
- · 7-day Free Trial
- · Unlimited Import/Export Jobs
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureFieldify is the perfect app for Shopify store owners who want to add custom fields to their store. It allows you to add fields to products, product variants, product collections, store, and orders. You can choose from a variety of metafields, including single-line text fields, multi-line text fields, numbers, URLs, Booleans, colors, dates, ratings, dimensions, volumes, weights, and JSONs.
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.
- Supports new Online Store 2.0 metafields
- Bulk import/export Metafields to save time
- Show metafield values on your store-front
- 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 |  Fieldify |  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 | Fieldify | MetaSizer |
|---|---|---|
| App Store rating | 3.8 ★ | 5.0 ★(ahead) |
| App Store reviews | 5(ahead) | 1 |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Fieldify and MetaSizer: common questions
- Which has better reviews, Fieldify or MetaSizer?
- On the Shopify App Store: Fieldify 3.8 from 5 reviews and MetaSizer 5.0 from 1 reviews.
- What features does each app list that the other doesn’t?
- Fieldify lists 19 the others don’t mention, such as Booleans, Bulk import and export, Collections, Colors. 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 Oct 13, 2026 for Fieldify, 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 Oct 13, 2026 for Fieldify, 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.