# HDRI Prep vs Screen Forge

The clearest difference is price: Screen Forge at Free against HDRI Prep's $9.99. Screen Forge also leads on update cadence (monthly vs every 9 months). HDRI Prep's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

Screen Forge is free to download; HDRI Prep costs $9.99 up front. Screen Forge sells 2 in-app purchases, starting at $4.99 per month. HDRI Prep asks for nothing beyond the download.

HDRI Prep ships an update every 9 months, Screen Forge monthly. The most recent releases landed on October 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | HDRI Prep | Screen Forge |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Paid | — |
| Size | 11 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Squirrel FX LLC](https://appshunter.io/developer/1557764202) | [JOSE F DA SILVA NT](https://appshunter.io/developer/524992898) |

## What reviewers say

### HDRI Prep

[App page](https://appshunter.io/ios/app/hdri-prep-vfx-hdr-brackets/id1616103466)

This utility helps visual effects professionals create HDRI bracketing sets for RICOH THETA 360 cameras. It allows for quick definition, organization, and reuse of bracket settings, streamlining on-set workflows for HDR photography.

**Highlights:** Define custom bracket sets (3-19 photos, 1-3 stops apart), Set Aperture, ISO, and Color Temperature for all photos at once, Define Center Shutter Speed to extend exposures, Name, organize, and reorder brackets by show, Duplicate and move bracket sets between shows, View photos read directly from the camera, Quickly adjust camera speaker volume and auto-sleep time

**Features:** Vision Pro support

**In-app purchases:** none


### Screen Forge

[App page](https://appshunter.io/ios/app/screen-forge/id6480420930)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is HDRI Prep free?

HDRI Prep costs $9.99, with no in-app purchases.

### Is Screen Forge free?

Screen Forge is free to download, with in-app purchases available.

### Do HDRI Prep or Screen Forge have ads?

Neither HDRI Prep nor Screen Forge shows ads.

### Which is updated more often, HDRI Prep or Screen Forge?

HDRI Prep ships an update every 9 months, and Screen Forge monthly. Most recently, HDRI Prep was updated on October 24, 2026 and Screen Forge on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*