PatentDrawingAI vs Viking Product Image Watermark
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 PatentDrawingAI, Nov 8, 2026 for Viking Product Image Watermark.
The short answer
- Both list a free plan. Paid plans start at $9/month for PatentDrawingAI and $7.99/month for Viking Product Image Watermark.
- Viking Product Image Watermark lists 14 features PatentDrawingAI’s listing doesn’t mention, including Compression, Copy and paste, Custom backgrounds.
Head to head
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 1 credit on install
- · 1 design patent drawing
- · PNG + SVG + PDF downloads
- · Try before you buy
Starter
- · 3 credits per month (resets each month)
- · 3 design patent drawing views per month
- · Cancel anytime
- · PNG + SVG + PDF downloads
Pro
- · 10 credits per month (resets each month)
- · 10 design patent drawing views per month
- · PNG + SVG + PDF downloads
- · Priority support
Scale
- · 40 credits per month (resets each month)
- · 40 design patent drawing views per month
- · PNG + SVG + PDF downloads
- · Priority support
Free
- · Block right click & image saving
- · Restore originals in one click
- · Sticker gallery like AI Generated, Sale
- · Translations
- · Up to 1 watermark designs
- · Up to 100 watermarked product images
Starter
- · Auto watermark new product images
- · Block right click & image saving
- · Bulk apply to multiple products at once
- · Restore originals in one click
- · Sticker gallery like AI Generated, Sale
- · Translations
Growth
- · Auto watermark new product images
- · Block right click & image saving
- · Bulk apply to multiple products at once
- · Files Watermark: 250 watermarked copies
- · Restore originals in one click
- · Sticker gallery like AI Generated, Sale
Pro
- · Auto watermark new product images
- · Block right click & image saving
- · Bulk apply to multiple products at once
- · Files Watermark: 250 watermarked copies
- · Restore originals in one click
- · Sticker gallery like AI Generated, Sale
Scale
- · Bulk apply to multiple products at once
- · Files Watermark: 2000 watermarked copies
- · Made for large catalogs & big runs
- · Priority support, faster replies
- · Restore originals in one click
- · Sticker gallery like AI Generated, Sale
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureEvery product you list publicly starts a clock. In the US, you have one year from first public disclosure to file a design patent (35 U.S.C. 102(b)(1)). In many other countries, there is no grace period at all. PatentDrawingAI reads your Shopify catalog, estimates how many days remain for each product, and generates a complete seven-view patent drawing sets formatted for USPTO submission - directly from your…
Your product photos are your storefront, and every copy costs you a sale you never see. Viking Watermark stamps your logo, text or a badge onto product images and keeps every original safe, with no popups and no branding on your storefront. The badge gallery includes AI Generated disclosure labels for the 2026 AI rules, the label merchants apply most.
- Shows days left in the one-year US design patent window for each product.
- Generates all seven recommended views from your product photos.
- Export every view as PNG, SVG, or a combined PDF with figure numbers.
- Add logo or text watermarks to product images in bulk with one click
- Auto Watermark applies to new product images as soon as they are uploaded
- Roll back any product to its original images anytime, with no quality loss
- Block right-click, copy, and text selection on your storefront from the app
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 |  PatentDrawingAI |  Viking Product Image Watermark |
|---|---|---|
| Detected stores | Not published | 21 |
| 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 | Apparel & Accessories, Home & Garden, Arts & Entertainment |
| Top store countries | Not published | United States, United Kingdom, Australia |
Reviews
| Measure | PatentDrawingAI | Viking Product Image Watermark |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 11 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | PatentDrawingAI | Viking Product Image Watermark |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $9/month | $7.99/month(ahead) |
| Longest free trial | Not listed | Not listed |
| Plans listed | 4 | 5 |
Listing
| Measure | PatentDrawingAI | Viking Product Image Watermark |
|---|---|---|
| Shopify category rank | #97 | #4(ahead) |
| Shopify App Charts | Not on this week’s charts | #3 on Pricing moves in Anti theft |
| Built for Shopify | No | Yes |
| Launched | Apr 6, 2026 | May 27, 2026 |
| Languages | 1 | 5 |
| Developer | TMHQ | Aegis |
FAQ
PatentDrawingAI and Viking Product Image Watermark: common questions
- Is PatentDrawingAI or Viking Product Image Watermark cheaper?
- Both list a free plan. Paid plans start at $9/month for PatentDrawingAI and $7.99/month for Viking Product Image Watermark. 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?
- PatentDrawingAI lists 1 the others don’t mention, such as Policy management. Viking Product Image Watermark lists 14 the others don’t mention, such as Compression, Copy and paste, Custom backgrounds, Developer tools. 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 PatentDrawingAI, Nov 8, 2026 for Viking Product Image Watermark; 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 PatentDrawingAI, Nov 8, 2026 for Viking Product Image Watermark. 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.