Saccade: A/B Test-by-Eye
A/B Testing. With Your Eyes.
About
This app uses your iPhone's TrueDepth camera to track your gaze and determine unconscious preferences between visual variants. Upload images, look at pairs, and receive instant ranked results based on where your eyes linger.
What's New in Saccade
1.0.3
April 14, 2026
Minor copy changes here and there
Developer apps
FAQ
What is Saccade?
Saccade is a utility app that uses your iPhone's TrueDepth camera to track your gaze and determine unconscious preferences between visual variants. It provides instant ranked results without requiring surveys or opinions.
How does Saccade work?
You upload your image variants, and Saccade generates all possible A/B pairs. The app then displays each pair for a few seconds, tracking where your gaze lingers to determine preference strength. Results are presented instantly.
What can I test with Saccade?
You can test a wide range of visual elements, including logo and brand variants, photo selections, hero images, color palettes, font samples, and even personal choices like baby names or vacation spots.
Is Saccade private?
Yes, Saccade is 100% private. It requires no account, no data leaves your device, and the camera is only used for real-time gaze detection without recording photos or video of your face.
What devices does Saccade support?
Saccade requires an iPhone X or later and is currently supported on iPhone devices. It was last updated on April 14, 2026.
How often is Saccade updated?
Saccade was last updated on April 14, 2026, with version 1.0.3. The release date for the app was March 24, 2026.
Does Saccade have ads?
No, Saccade does not contain advertisements. It is a completely free application with no in-app purchases or ads.
What is the age rating for Saccade?
Saccade has an age rating of 4+ and is suitable for a broad audience. Its primary function is visual preference testing.