DesignR‑Prod vs SiZR
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 3, 2026 for DesignR‑Prod, Oct 14, 2026 for SiZR.
The short answer
- Only SiZR lists a free plan. Paid plans start at $29/month for DesignR‑Prod and $10/month for SiZR.
- DesignR‑Prod lists 4 features SiZR’s listing doesn’t mention, including Inventory levels, Manual updates, Price adjustments.
Head to head
Starter
Label
Core [Analytics]
- · Future order planning
- · Restock notifications
- · Size distribution analytics
Frame [Visualizer]
- · Customizable product page
- · Height and weight sliders
- · Interactive 3D sizing model on your page
- · Mobile friendly
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureDesignR System lets fashion brands sell customizable, made-to-order products directly on their Shopify storefront. Upload a base garment, choose which customization options to include (collars, sleeves, fits, colors, and more), and DesignR automatically generates product variant images for each combination.
SiZR turns your clothing into interactive 3D models that live directly on your product pages. Customers can explore visually across different body types and sizes, using ready-made templates or fully custom garments built for your brand.
- AI product image generation
- Shopify integration
- Product Scaling
- Track which sizes actually sell across your store
- Plan restocks using real sales velocity by size
- Mobile-friendly visual sizing experience.
- Show visual fit previews directly on product pages
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 |  SiZR | |
|---|---|---|
| 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 | SiZR | |
|---|---|---|
| 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 | SiZR | |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $29/month | $10/month(ahead) |
| Longest free trial | 7 days | 3 days |
| Plans listed | 2 | 2 |
Listing
| Measure | SiZR | |
|---|---|---|
| Shopify category rank | Not enough data | #196 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Nov 3, 2026 | Dec 18, 2025 |
| Languages | 1 | 1 |
| Developer | DesignR System | Sizr |
FAQ
DesignR‑Prod and SiZR: common questions
- Is DesignR‑Prod or SiZR cheaper?
- Only SiZR lists a free plan. Paid plans start at $29/month for DesignR‑Prod and $10/month for SiZR. 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?
- DesignR‑Prod lists 4 the others don’t mention, such as Inventory levels, Manual updates, Price adjustments, Product exchanges. SiZR lists 4 the others don’t mention, such as Custom styles, Lookbook, Mobile responsive, Slider. 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 3, 2026 for DesignR‑Prod, Oct 14, 2026 for SiZR; 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 3, 2026 for DesignR‑Prod, Oct 14, 2026 for SiZR. 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.