Comparison

Screen Prep vs Fix in Post

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Screen Prep

Features
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Screen Prep readies any iPhone, iPad, or Apple Watch for VFX screen replacement. Fill the display with a chroma key color, add tracking marks, and lock it down so your compositor gets a screen that's easy to key and track. โ€ข Choose from preset chroma colors or pick your own with a color wheel โ€ข Add tracking marks and adjust their position, size, and color โ€ข AddAdded: Tracking marks can scroll vertically, horizontally or both, and pinch to zoom, so actors can scroll the screen โ€ข Frame marks for the full screen, 16:9, or an Apple Watch display โ€ข Display color bars, a grid, or a checkerboard instead โ€ข Lock the screen so actors can't trigger the controls by accident โ€ข Save setups and recall them in a tap โ€ข Export a 16:9 image to Photos to show on a TV or monitor via AirPlay APPLE WATCH Send saved screens to Apple Watch. Swipe or turn the Digital Crown to choose one, then double tap to lock it while the actor wears the watch. WORKS EVERYWHERE In addition to iPhone, Screen Prep supports portrait and landscape on iPad, the outer and open screens of iPhone Duo, and full screen on Apple silicon Macs. Need it on another screen? Export an image, then transfer it or AirPlay it to a TV or another display. A built-in Manual covers every feature. Site and Privacy Policy: https://squirrelfx.llc/screen-prep.html

About

Fix in Post

Read full description

A utility for Film production that provides key-able screens and tracking reference developed explicitly for professional on-set Visual Effects Supervisors, Prop Masters, and Playback Operators. The customizable options are tailored to address the needs of post-production, DIT, DPs, and actors. To access the menu from within the app, tap the center of the screen 8 times. - Background Color Picker Choose any color for your matte screen. - Tracking Markers Choose from 5 different Tracking Marker shapes with three different styles. Select 4, 5, 6, 8, or 9 tracking markers to have on screen. Adjust the tracking marker size and offset distance from the edge of the screen. Customize the Tracking Marker color or colors, depending on which style you select for the Tracking Markers. - Custom Background Image Load your custom background .png image. Non-destructively add re-coloring, brightness, contrast, and saturation adjustments. - Grid for actor input tracking reference Load a customizable grid for swiping and scrolling reference. Grid is entirely customizable in color, opacity, grid line count, and vertical or horizontal scrolling. - Color Reference Chart - Overall screen brightness adjustment slider NEW - How-To Guides for setting up iPhones for on-set VFX and Playback - https://sites.google.com/view/fixinpost/how-to-guides Subscriptions will be charged automatically to your credit card through your iTunes account. Subscriptions will automatically renew unless canceled within 24 hours before the end of the current period. Cancel any time with your iTunes account settings. Privacy - https://sites.google.com/view/fixinpost/privacy-policy Support - https://sites.google.com/view/fixinpost/support Support email - fipsupport@ifui.io Terms of Service - https://www.apple.com/legal/internet-services/itunes/dev/stdeula

Screenshots

Screen Prep4 screens
Fix in Post3 screens

Verdict

The call

The clearest difference is price: Fix in Post at Free against Screen Prep's $9.99. Screen Prep's advantage is in-app purchases (none vs 5) and update cadence (every 6 months vs every 14 months). On ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Fix in Post is free to download; Screen Prep costs $9.99 up front. Fix in Post sells 5 in-app purchases, starting at $3.99 per month. Screen Prep asks for nothing beyond the download.

UpkeepUpdate frequency

Screen Prep ships an update every 6 months, Fix in Post every 14 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

Scorecard3 real differences ยท 3 level
Screen Prep versus Fix in Post: the parameters behind the verdict, then further details
ParameterScreen PrepFix in Post
Price$9.99Free โ€” better
Update frequencyEvery 6 months โ€” betterEvery 14 months
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS16.015.2 โ€” better
Further details โ€” not scored
Size3 MB6 MB
Age rating4+4+
DeveloperSquirrel FX LLCJoshua Goble

In-app purchases

None

Screen Prep

No in-app purchases

5 purchases

Fix in Post

Subscriptions5
  • All Access$3.991 Month
  • All Access$24.997 Days
  • All Access$39.991 Year
Show 2 more
  • All Access$49.991 Month
  • All Access$399.991 Year

Questions

Is Screen Prep free?
Screen Prep costs $9.99, with no in-app purchases.
Is Fix in Post free?
Fix in Post is free to download, with in-app purchases available.
Do Screen Prep or Fix in Post have ads?
Neither Screen Prep nor Fix in Post shows ads.
Which is updated more often, Screen Prep or Fix in Post?
Screen Prep ships an update every 6 months, and Fix in Post every 14 months. Most recently, Screen Prep was updated on October 24, 2026 and Fix in Post on October 5, 2026.

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