File Upload by PartyKit vs SudoMock ‑ Product Customizer
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 File Upload by PartyKit, Nov 6, 2026 for SudoMock.
The short answer
- Both list a free plan. Paid plans start at $9/month for File Upload by PartyKit and $39/month for SudoMock.
- SudoMock lists 5 features File Upload by PartyKit’s listing doesn’t mention, including File conversion, File download, Image optimization.
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 customer uploads per month
- · AI moderation (NSFWJS) included
- · Files in Shopify Files (default)
- · Storefront block, no theme edits
Starter
- · 500 customer uploads per month
- · Hold-for-review queue
- · In-browser cropper with aspect lock
- · Photo guidelines per product
Pro
- · 2,500 customer uploads per month
- · PDF preview built in
- · Per-file fees via cart_transform
- · Per-variant aspect overrides
Studio
- · BYO S3 / R2 / Drive / Dropbox
- · Priority email support
- · Sidecar JSON for AI workflows
- · Unlimited customer uploads
Free to install
- · 500 free credits for new accounts
- · Connect SudoMock account with one click
- · Customize storefront button styling
- · Map PSD mockups to Shopify products
- · Mobile-responsive design studio
- · Plans from $39/mo for 10K credits
Starter 10K
- · 10,000 mockup renders per month
- · 3 simultaneous render slots
- · AI Mockup Studio
- · API access (REST + MCP server)
- · Email support
- · Usage reports
Pro 25K
- · 10 simultaneous render slots
- · 25,000 mockup renders per month
- · AI Mockup Studio
- · API access (REST + MCP server)
- · Advanced usage monitoring
- · Priority email support
Scale 100K
- · 100,000 mockup renders per month
- · 25 simultaneous render slots
- · AI Mockup Studio
- · Custom integrations
- · Dedicated support
- · SLA guarantee
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureLet your customers attach photos, designs, SVGs and PDFs directly to any product on its page — no email back-and-forth, no checkout extensions. Built for UV printers, hat-bar parties, sublimation shops, designers, and any creative store where the customer brings the artwork.
SudoMock adds product customization to your storefront. Customers click a button on the product page, upload their artwork onto a real PSD mockup, adjust position, size, and colors, then add the customized product to cart. Merchants control everything from the Shopify admin: map mockups to products, customize studio branding, and choose display modes.
- Customers upload art straight from the PDP — no emails, no send your file later
- AI blocks NSFW + low-res images before you waste ink. Hold-for-review queue.
- Per-file fees applied at checkout via Shopify Functions — no manual invoices.
- BYO storage: Shopify Files, AWS S3, Cloudflare R2, Google Drive, or Dropbox.
- PSD mockup rendering with real Photoshop layers and smart objects
- White-label customization studio with full merchant branding control
- Mobile-responsive design studio with touch support
- One-click product mapping via Shopify metafields
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 |  File Upload by PartyKit |  SudoMock |
|---|---|---|
| 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 | File Upload by PartyKit | SudoMock |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 2 | 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 | File Upload by PartyKit | SudoMock |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $9/month(ahead) | $39/month |
| Longest free trial | 14 days | Not listed |
| Plans listed | 4 | 4 |
Listing
| Measure | File Upload by PartyKit | SudoMock |
|---|---|---|
| Shopify category rank | #72(ahead) | #178 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 29, 2026 | Jun 9, 2026 |
| Languages | 1 | 1 |
| Developer | Tumbly Haus Creative | SudoMock |
FAQ
File Upload by PartyKit and SudoMock: common questions
- Is File Upload by PartyKit or SudoMock cheaper?
- Both list a free plan. Paid plans start at $9/month for File Upload by PartyKit and $39/month for SudoMock. 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?
- File Upload by PartyKit lists 3 the others don’t mention, such as Custom fields, Custom rules, PDF. SudoMock lists 5 the others don’t mention, such as File conversion, File download, Image optimization, Image rotate. 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 File Upload by PartyKit, Nov 6, 2026 for SudoMock; 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 File Upload by PartyKit, Nov 6, 2026 for SudoMock. 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.