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Kling 4.0 vs Photo Extender

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

Kling 4.0 compared with Photo Extender
DetailKling 4.0 logo Kling 4.0Photo Extender logo Photo Extender
What it doesAI video generator for cinematic ads, character stories, animation, and social videos Free AI-powered photo extender for any aspect ratio with no sign-up required and no watermark
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingMonthly: Starter $14.99/mo (350 credits ≈ $4.28 per 100 credits), Pro $39.99/mo (1,600 credits ≈ $2.50 per 100 credits), Premium $119/mo (5,500 credits ≈ $2.16 per 100 credits). Annual plans save 50%. One-time credit packs available with 365-day validity. Free 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.
Key features
  • Generate videos from 3 to 30 seconds per generation
  • Omni Reference with up to 15 reference assets
  • Up to 10 keyframes for scene control
  • Video extensions to build multi-scene stories up to two minutes
  • Support for multiple aspect ratios including 21:9, 16:9, 1:1, and 9:16
  • Output resolutions from 720p to 4K with 10-bit HDR
  • Video editing with up to five clips
  • Multilingual speech, accents, dialects and on-screen text support
  • Prompts up to 8,000 tokens for detailed story direction
  • Audio with two-channel stereo and improved lip synchronization
  • 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
What makes it different
  • Up to 30-second video generations with continuity across multiple scenes
  • Keyframe control for directing specific character states and visual beats
  • Designed for creators to explain sequences with clear direction rather than prompt guessing
  • Commercial license included in paid plans for ads and product campaigns
  • 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
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)27 +1 (up) since last check16 no change since last check
Trust Flow (Majestic)236
Citation Flow (Majestic)2421
Referring domains (Majestic)7958

5 details filled in for both companies.

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