# RetroLine: Draw To Find Photo — Draw. Match. Rediscover.

> App that finds photos with similar shapes to drawn lines. (iPhone/iPad app by Lumik LLC.)

- Source: https://appshunter.io/ios/app/retroline-draw-to-find-photo/id6819252047 (this page in markdown: same URL + `.md`)
- Developer: [Lumik LLC](https://appshunter.io/developer/1860645804)
- Category: Photo & Video, Entertainment
- Price: $0.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English
- Released: 2026-10-12
- Data updated: 2026-10-31
- Monetization: free

## What is RetroLine?

Find a line in your photos.

Draw a curve, a zigzag, or a simple line. Retroline finds similar contours in photos from your own library and brings them onto an open canvas. A mountain ridge, a shoreline, an everyday detail—see your photos through their shapes.

DRAW TO DISCOVER
Trace a line with your finger and find photos with a similar shape. Try different curves and let your library surprise you.

FOLLOW THE PATH
Switch to Drag and explore a continuous path of photos. Move with your finger or use the joystick at the bottom right.

SEE THE MOMENT
View a photo’s capture date and place name when its metadata is available. Missing details stay out of the way.

MADE FOR YOUR LIBRARY
Retroline indexes photos available on your device and picks up new or changed photos while the app is active. The progress bar shows indexing and hides while you draw.

PHOTOS STAY ON YOUR DEVICE
Contour extraction and matching happen on your device. No account, ads, subscription, or in-app purchases. Photo coordinates are sent to Apple only to look up place names.

Requires Full Access to Photos and iOS or iPadOS 17 or later. Photos stored only in iCloud must first be downloaded in Photos. Clear outlines and contrasting edges work best.

Privacy: https://lumik.space/retrolin/privacy
Support: https://lumik.space/retrolin/support

## Key features

- Draw lines to find similar photo contours
- Explore photos via continuous paths
- View photo capture dates and locations
- Indexes photos on your device
- Offline contour extraction and matching
- No ads, subscriptions, or in-app purchases

## Is RetroLine safe?

Not enough ratings yet to assess RetroLine.

## Is RetroLine legit?

RetroLine: Draw To Find Photo appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for RetroLine is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Frequently asked questions about RetroLine

### 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.

## Version history (last 1 release)

### 1.0.0 — 2026-10-13

No release notes.

## Apps similar to RetroLine

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Hide Photos: Secret Album](https://appshunter.io/ios/app/hide-photos-secret-album/id6812803369) | 3.5 (2) | Free | Photo & Video |
| [DualCamPro](https://appshunter.io/ios/app/dualcampro/id6790040520) | — | Free | Photo & Video |
| [Emulux: Film Camera & Editor](https://appshunter.io/ios/app/emulux-film-camera-and-editor/id6815054333) | 5.0 (2) | Free | Photo & Video |
| [Vane: Video to Live Photo](https://appshunter.io/ios/app/vane-video-to-live-photo/id6816583248) | — | Free | Photo & Video |
| [RollMeter](https://appshunter.io/ios/app/rollmeter/id6819967418) | — | $0.99 | Photo & Video |
| [LensPin: Photo Geotagger](https://appshunter.io/ios/app/lenspin-photo-geotagger/id6812626038) | 5.0 (1) | Free | Photo & Video |

## More apps by Lumik LLC

- [Knowto: Instant Note Taking](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650)
- [Knots FM: Podcast & Radio](https://appshunter.io/ios/app/knots-fm-podcast-and-radio/id6799703828)

All apps by Lumik LLC: https://appshunter.io/developer/1860645804

## Related topics

[turn photo into line drawing](https://appshunter.io/ios/topics/turn-photo-into-line-drawing) · [line drawing photo](https://appshunter.io/ios/topics/line-drawing-photo)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*