AI-powered pre-testing platform that predicts YouTube ad performance before you spend media budget
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12 reviews trackedThe Bottom Line
Entry price
Paid plans only
Biggest pro
Eliminates wasted ad spend on underperforming creatives.
Biggest con
Requires contacting the sales team for custom pricing and onboarding (no self-serve checkout).
TL;DR - junbi
- AI pre-testing platform that predicts YouTube video ad performance before you spend any media budget.
- Benchmarks creatives against 10,000+ real YouTube ads with 95% accuracy vs. human eye-tracking.
- Measures Brand Attention, Ad Breakthrough, and Cognitive Ease across desktop, mobile, and CTV.
Pricing: Paid only
Best for: Enterprises & pros
3.5/5 across review platforms
What is junbi?
junbi is an automated pre-testing platform that uses AI to predict the performance of video advertising. It analyzes video creatives frame-by-frame to forecast brand attention, ad breakthrough, and cognitive ease across desktop, mobile, and CTV for skippable, non-skippable, and bumper formats. This allows advertisers to benchmark their campaigns against a database of over 10,000 real YouTube ads without the need for human participants.
Available on: Web
Pros & Cons
Pros
- Eliminates wasted ad spend on underperforming creatives.
- Accelerates testing workflows from weeks to minutes.
- Replaces subjective guesswork with objective, data-backed confidence.
- Highly scalable for testing massive volumes of ads.
- Bypasses the cost and logistics of human panels.
Cons
- Requires contacting the sales team for custom pricing and onboarding (no self-serve checkout).
- Analysis focuses purely on visual attention and cognitive ease, meaning audio impact must be evaluated separately.
Ratings Across the Web
3.5(12 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
AI-powered video ad pre-testing without the need for human participants.Frame-by-frame measurement of Brand Attention, Ad Breakthrough, and Cognitive Ease.Performance benchmarking against a database of over 10,000 real YouTube ads.Contextual testing for in-stream, bumper, and Connected TV (CTV) formats.95% predictive accuracy rate validated against the MIT Saliency benchmark.Actionable creative recommendations and API access for automated testing at scale.
Pricing Plans
Pricing checked Jun 28, 2026
From
$40,000/year
- Second-by-second predictive scoring for brand attention, ad breakthrough, and cognitive ease.
- Context-specific pre-testing for various YouTube ad formats (skippable, non-skippable, bumper) across multiple devices (desktop, mobile, CTV).
- AI-driven actionable recommendations for creative optimization.
Reviews
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3.5/5
Across 12 verified user reviews on G2, Capterra
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junbi FAQ
How does junbi help advertisers optimize their YouTube ad campaigns?
junbi uses AI to predict the performance of video advertising by analyzing creatives frame-by-frame. This allows advertisers to forecast brand attention, ad breakthrough, and cognitive ease, ultimately eliminating wasted ad spend on underperforming creatives.
Which teams would benefit most from using junbi?
Teams involved in advertising, media buying, and video creative development would find junbi most beneficial. It helps them accelerate testing workflows and replace subjective guesswork with objective, data-backed confidence for their YouTube ad campaigns.
How does junbi compare to Kling AI for ad performance prediction?
junbi specifically focuses on pre-testing YouTube ad performance by analyzing video creatives frame-by-frame to predict brand attention and ad breakthrough. Unlike Kling AI, junbi benchmarks campaigns against a database of over 10,000 real YouTube ads without requiring human participants.
What kind of analysis does junbi provide for video creatives?
junbi analyzes video creatives frame-by-frame to predict brand attention, ad breakthrough, and cognitive ease. It provides insights across desktop, mobile, and CTV for various formats like skippable, non-skippable, and bumper ads.
What are the main limitations of junbi's ad analysis?
junbi's analysis focuses purely on visual attention and cognitive ease. This means that the impact of audio elements in video advertisements must be evaluated separately, as it is not included in junbi's core predictions.
How is junbi priced?
junbi is a paid product and does not offer a permanently free tier. Prospective users need to contact the sales team directly to discuss custom pricing and onboarding options.
Can junbi test a large volume of ads efficiently?
Yes, junbi is highly scalable and designed to test massive volumes of ads efficiently. It accelerates testing workflows from weeks to minutes, bypassing the cost and logistics typically associated with human panels.
Source: bit.ly