Captions Generator vs ImgBulk

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

Captions Generator compared with ImgBulk
Detail	Captions Generator	ImgBulk
What it does	AI caption and subtitle generator that adds captions to videos in seconds with no watermark	Bulk AI image generator for creating 100+ images at once
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Paid
Pricing	Free: 30 minutes of captions per month, 1080p MP4 export up to 3 minutes, 8 caption styles, SRT/VTT/TXT downloads up to 30 minutes, free translation into 100+ languages. Pro: $6.99/month (limited-time price, normally $9.99) or $59/year, unlimited captions on videos up to 90 minutes, all 22 caption s	Pay-as-you-go credit packs: Starter €8.00 (650 credits), Creator €26.00 (3,600 credits with 700 bonus), Pro €62.00 (9,000 credits with 2,100 bonus), Bulk €125.00 (20,000 credits with 6,100 bonus). GPT Image 2 costs 8 credits per image at 1K resolution, 12 at 2K, 16 at 4K. Nano Banana 2.1 costs 12 cr
Key features	Automatic speech transcription in 100 languages with automatic language detection SRT, VTT and TXT subtitle file downloads Free translation into 100+ languages Copy caption style from screenshot functionality Bilingual captions showing two languages simultaneously on Pro Video processing entirely in browser with audio-only server transmission for privacy Word-level timing synchronization for precise caption timing	Generate up to 200 tasks per batch Import prompts from CSV or Excel files Different prompts and reference images per task Track progress across all tasks in one workspace Retry only failed tasks without rerunning successful ones Download all completed images as a ZIP file Support multiple AI models including GPT Image 2, Nano Banana 2, and Seedream Preview estimated credits before starting generation Batch image editing and processing tools
What makes it different	Fastest among 10 tested caption tools, 6.7× faster than CapCut and 4.7× faster than VEED Highest accuracy with 5.7% word error rate in October 2026 accuracy test of 8 caption tools Video stays entirely private with only audio sent for transcription	Organize hundreds of image tasks in one browser workspace instead of repetitive one-by-one uploads Transparent credit pricing shown before generation with no charges for failed tasks Import large prompt lists directly from CSV and Excel files Use multiple frontier AI models in one workspace including GPT Image 2, Nano Banana, and Seedream Pay-as-you-go with no subscription or monthly charges
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)	27 −1 (down) since last check	16 no change since last check
Trust Flow (Majestic)	13	7
Citation Flow (Majestic)	28	29
Referring domains (Majestic)	55	59

4 details filled in for both companies.

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