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Photo Extender vs GridBulk

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

Photo Extender compared with GridBulk
DetailPhoto Extender logo Photo ExtenderGridBulk logo GridBulk
What it doesFree AI-powered photo extender for any aspect ratio with no sign-up required and no watermark AI batch image generation with grid splitting: one prompt, up to 16 images, one credit
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree to try without sign-up; Basic $9.90 (100 credits), Standard $29.90 (500 credits), Pro $49.90 (1,250 credits). Each successful image uses 5 credits. One-time purchases with no subscription; credits never expire. Free plan includes 20 credits on signup with the first generation free. Basic: $19/month for 2,000 credits/month (≈32,000 images with 4×4 grid). Pro: $49/month for 5,000 credits/month (≈80,000 images with 4×4 grid). Max: $99/month for 10,000 credits/month (≈160,000 images with 4×4 grid).
Key features
  • Real AI outpainting powered by gpt-image-2 model
  • Support for any aspect ratio including 1:1, 4:5, 16:9, 9:16, 21:9 and custom ratios
  • Free to try without signing up
  • No watermark on results
  • Free daily credits with a free account
  • Supports JPG, PNG and WebP files up to 4MB
  • Full resolution export
  • Results typically ready in 60–120 seconds
  • Works on any mobile or desktop browser without app installation
  • Secure HTTPS processing with no account required
  • Generate up to 16 images in a single 4×4 grid
  • Grid splitting into individual pixel-perfect assets
  • REST API with sync and async endpoints
  • MCP server for AI agent integration
  • Reference image support for style guidance
  • Runs on Google Gemini and OpenAI GPT Image models
  • Dashboard history with searchable generations
What makes it different
  • Real generative AI instead of simple blur-and-stretch algorithms
  • Optional one-time credit purchases with no subscription
  • No watermark on downloaded results
  • Free daily credits automatically top up when balance runs low
  • One credit per grid instead of per image, reducing cost per image to 1/16 for 4×4 grids
  • Contact-sheet view for side-by-side comparison of all results
  • API and MCP server built for AI agents as first-class users
  • Independent and self-funded operation
  • First generation completely free with 20 signup credits
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)16 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)60
Citation Flow (Majestic)210
Referring domains (Majestic)580

5 details filled in for both companies.

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