# Screen Prep — Screen Colors & Tracking Marks

> Screen Colors & Tracking Marks (iPhone/iPad app by Squirrel FX LLC.)

- Source: https://appshunter.io/ios/app/screen-prep/id1587599450 (this page in markdown: same URL + `.md`)
- Developer: [Squirrel FX LLC](https://appshunter.io/developer/1557764202)
- Category: Utilities, Photo & Video
- Price: $9.99
- Age rating: 4+
- Requires: iOS 16.0 · 2 MB
- Languages: American English
- Released: 2021-10-14
- Data updated: 2026-05-16
- User reviews in markdown: https://appshunter.io/ios/app/screen-prep/id1587599450/reviews.md

## What is Screen Prep?

Screen Prep is a simple utility for changing the color of and iPhone or iPad screen for use in VFX.

• Select from a collection of preset colors or pick your own
• Add tracking marks and edit their position and size
• Alternatively display colorbars, grid, or checkerboard 
• Lock the screen to prevent accidental touches from the actors
• Save setups for later recall
• Export to Photos for display on other devices via AirPlay or other viewing method


## Version history (last 5 releases)

### 20251211.01 — 2025-12-12

iOS 26 Age Verification Compatibility.

### 20230913.01 — 2023-09-20

• iOS 17 Compatability

### 20230508.01 — 2023-05-09

Fixed Color settings not showing
Fixed Color Wheel bugs

### 20221229.01 — 2022-12-29

Updated email in About.

### 20221206.01 — 2022-12-07

• Fixed: Limiting Tracking Marks to 16x9 didn't update live when toggled.
      • Fixed: Controls were visible in screen capture.
      • Added: Screen captures are no longer instant but require confirmation.

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| App | Rating | Price | Category |
| --- | --- | --- | --- |
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| [카메라롤 비디오 압축](https://appshunter.io/ios/app/id898986860) | 2.0 (4) | Free | Utilities |
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| [S Camera - Record Instantly](https://appshunter.io/ios/app/s-camera-record-instantly/id961510700) | 2.5 (19) | Free | Utilities |
| [m-BER](https://appshunter.io/ios/app/m-ber/id6740215628) | 5.0 (1) | Free | Utilities |

## More apps by Squirrel FX LLC

- [Alarum](https://appshunter.io/ios/app/alarum/id1557764200)
- [HDRI Prep](https://appshunter.io/ios/app/hdri-prep/id1616103466)

All apps by Squirrel FX LLC: https://appshunter.io/developer/1557764202

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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 2026-05-16.*