Size Advisor Pro vs SizeID
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- Paid plans start at $19.95/month for Size Advisor Pro and $19.90/month for SizeID.
- Size Advisor Pro lists 2 features SizeID’s listing doesn’t mention, including Hide out-of-stock, Low stock alerts.
Head to head
Boost your sales with multi-featured size recommender.
Basic
- · 1 popup theme — Terra
- · Manual block placement
- · Metric measurements (cm / kg)
- · Size Advisor wizard — 4 steps
- · Text link button style
Pro
- · 4 button styles + left/right position
- · 4 premium popup themes
- · Analytics dashboard
- · App embed — auto-inject next to size
- · Conversion tracking per product
- · Direct Add-to-Cart from popup
XSMALL
- · Recommendation based on body sizes
- · Up to 20 size charts for your products
- · Up to 300 uses of SizeID Advisor
SMALL
- · Recommendation based on body sizes
- · Up to 1 000 uses of SizeID Advisor
- · Up to 50 size charts for your products
MEDIUM
- · Recommendation based on body sizes
- · Up to 100 size charts for your products
- · Up to 5 000 uses of SizeID Advisor
LARGE
- · Recommendation based on body sizes
- · Up to 20 000 uses of SizeID Advisor
- · Up to 200 size charts for your products
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureSize Advisor Pro helps fashion merchants eliminate sizing confusion with an intelligent size recommendation widget. Shoppers answer a few quick questions about their body measurements and instantly receive their perfect size — reducing returns and increasing satisfaction.
Reduce returns and costs associated with them and increase the conversion of your store with the new SizeID Advisor SMART! Recommendation based on simple customer data: height, weight and age. Give your customers assurance from shopping and get useful data from purchases. SizeID Analytics offers you a number of data analysis tools that allow you to better optimize and plan.
- Shoppers find their size in seconds — fewer doubts, fewer abandoned carts
- Per-product size charts that adapt to every variant, color, and fit automaticall
- See exactly which sizes sell, which sit, and where shoppers leave — act on real
- 6000+ size charts of 750+ brands. Possibility to create your own.
- Easy size recommendations based on height, weight, and age.
- Size recommendations based on accurate body measurements.
- Family and friends connection to get recommendation even for them.
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 |  Size Advisor Pro |  SizeID |
|---|---|---|
| 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 | Size Advisor Pro | SizeID |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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 | Size Advisor Pro | SizeID |
|---|---|---|
| Free plan | Not listed | Not listed |
| Lowest paid monthly plan | $19.95/month | $19.90/month(ahead) |
| Longest free trial | 7 days | 14 days |
| Plans listed | 2 | 4 |
Listing
| Measure | Size Advisor Pro | SizeID |
|---|---|---|
| Shopify category rank | #501 | #427(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 21, 2026 | Dec 4, 2019 |
| Languages | 1 | 6 |
| Developer | Broad Labz | SizeID s.r.o. |
FAQ
Size Advisor Pro and SizeID: common questions
- Is Size Advisor Pro or SizeID cheaper?
- Paid plans start at $19.95/month for Size Advisor Pro and $19.90/month for SizeID. 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?
- Size Advisor Pro lists 2 the others don’t mention, such as Hide out-of-stock, Low stock alerts. 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; 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. 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.