RetroLine: Draw To Find Photo
Draw. Match. Rediscover.
About
Draw lines on your photos to discover similar shapes within your library. Explore visual connections and rediscover moments through their contours. Photos and processing remain on your device for privacy.
What's New in RetroLine
1.0.0
October 13, 2026
Developer apps
FAQ
What is RetroLine?
RetroLine is a photo and video app that allows you to draw lines on your photos to find similar contours within your existing photo library. It helps you rediscover moments by visualizing the shapes within your images.
How does RetroLine find similar shapes?
You draw a line or curve with your finger, and the app analyzes your photos to find those with similar outlines. It uses on-device processing for contour extraction and matching.
Does RetroLine have ads?
No, RetroLine is completely ad-free. The app explicitly states there are no ads, subscriptions, or in-app purchases, ensuring an uninterrupted user experience.
Is my photo data private with RetroLine?
Yes, your photos stay on your device. Contour extraction and matching happen locally, and no account is required. Photo coordinates are only sent to Apple to look up place names.
What devices is RetroLine compatible with?
RetroLine is designed for Apple devices and requires iOS or iPadOS 17 or later. It is available on both iPhone and iPad.
How often is RetroLine updated?
The latest version is 1.0.0, released on October 13, 2026. While specific update frequency isn't detailed, the app was recently updated, indicating ongoing development.
What kind of photos work best with RetroLine?
The app performs best with photos that have clear outlines and contrasting edges. Natural shapes like mountain ridges, shorelines, or distinct everyday details are ideal for discovery.
Can I use RetroLine offline?
Yes, contour extraction and matching happen on your device, meaning you can use RetroLine without an internet connection after the initial setup and indexing.
