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ImgExtender vs AtriumKit

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

ImgExtender compared with AtriumKit
DetailImgExtender logo ImgExtenderAtriumKit logo AtriumKit
What it doesExpand photos without cropping or stretching Turn one click-through into an interactive demo and step-by-step guide
StageNot given Startup
FoundedNot given 2026
Based inNot given US
Pricing modelFreemium Freemium
PricingFree: 10 credits (2 generations). Pro: $9.99/month ($119.88 yearly, 2,400 credits/year). Max: $29.99/month ($359.88 yearly, 9,600 credits/year). Each generation costs 5 credits. Free and Pro results are watermark-free for Pro and Max subscribers; free tier results are watermarked. Free: $0 forever with 3 published demos. Pro: $32 per creator per month billed yearly, or $38 per month billed monthly. Team: $58 per creator per month billed yearly, or $69 per month billed monthly. Enterprise: Custom pricing. Viewers are free on all plans.
Key features
  • Generate new canvas space around images in square, portrait, or landscape ratios
  • Position subject within destination frame before generation
  • Review generated space on comparison canvas before download
  • No prompts required
  • Browser-based editor with no software installation
  • Private uploads and results by default
  • Watermark-free results on Pro and Max plans
  • Commercial use rights on paid subscriptions
  • Support for JPG, PNG, and WebP formats up to 10 MB
  • Same professional image-extension model across all plans
  • Guided demos with step-by-step tooltips and zoom
  • Clickable demos for sandbox exploration
  • Chrome extension recorder with auto-blur
  • HTML capture with page-text editing
  • AI voiceovers and captions in 15 languages
  • Step-by-step guides with screenshots
  • Lead forms with CRM and webhook integrations
  • Personalized links for prospects
  • Analytics and drop-off tracking
  • Video studio for creating product videos
What makes it different
  • No complex prompts or AI settings required—just set the frame and position the subject
  • Designed specifically for image extension without upscaling or cropping
  • Full control over composition and subject placement before generation
  • One image adapted for multiple layouts and formats simultaneously
  • Private by default with automatic deletion after 7 days
  • Edit captured pages as text instead of re-recording when UI changes
  • Cheaper than competitors like Arcade and Storylane
  • Works with AI assistants through MCP server on all plans
  • One recording usable across sales, marketing, support and customer success
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)12 −1 (down) since last check12 +6 (up) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)1813
Referring domains (Majestic)281

5 details filled in for both companies.

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