HookMaster vs GridBulk

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

HookMaster compared with GridBulk
Detail	HookMaster	GridBulk
What it does	AI video QA and creator feedback for short-form content	AI batch image generation with grid splitting: one prompt, up to 16 images, one credit
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Starter: $9/month (5 Pro + 3 Lite analyses, 50 credits/month). Growth: $19/month (30 analyses, 125 credits/month). Studio: $69/month (100 analyses, 350 credits/month). Credit top-ups: Spark 50 credits for $5, Boost 150 credits for $12, Power 500 credits for $39, Mega 1,500 credits for $115.	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	Frame-by-frame video feedback with exact timestamps Hook score and viral score predictions Retention predictions and drop-off detection AI-powered clip generation with Fix Studio Style Match for reverse-engineering viral videos Brand guideline compliance checks AI consultant chat for creative direction Video version comparison and QA reports Image and video generation with credits Support for MP4, MOV, and WebM up to 90 seconds	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	Frame-accurate retention analysis tied to exact timestamps before posting One-click AI-powered fix suggestions without leaving the app Automated brand compliance review for agencies before human review Style Match reverse-engineers viral video structure for replication AI consultant chat integrated directly in the analysis tool	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 plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	17	0
Citation Flow (Majestic)	10	0
Referring domains (Majestic)	41	0

5 details filled in for both companies.

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