# HDRI Prep vs VoxScan

The clearest difference is review sentiment: HDRI Prep at 100% against VoxScan's 0%. VoxScan's advantage is price (Free vs $9.99) and update cadence (every 5 weeks vs every 9 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

VoxScan is free to download; HDRI Prep costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HDRI Prep ships an update every 9 months, VoxScan every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | HDRI Prep | VoxScan |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Size | 11 MB | 27 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, Vision Pro |
| Age rating | 4+ | 4+ |
| Developer | [Squirrel FX LLC](https://appshunter.io/developer/1557764202) | [Yasuo Hasegawa](https://appshunter.io/developer/300445051) |

## 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


### VoxScan

[App page](https://appshunter.io/ios/app/voxscan/id6477160662)

This app allows users to capture and export 3D models using LiDAR technology, with support for various file formats. It also enables USDZ import for creating voxel models, even on devices without LiDAR. Compatibility extends to Apple Vision Pro for experiencing creations.

**Highlights:** LiDAR 3D model capture, Export in .vox, .ply, .usdz, .stl, .glTF, .obj, USDZ import for voxel creation, Apple Vision Pro compatibility, iOS 17+ and LiDAR camera required for capture

**In-app purchases:** none


## Frequently asked questions

### Is HDRI Prep free?

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

### Is VoxScan free?

VoxScan is free to download, with no in-app purchases.

### Do HDRI Prep or VoxScan have ads?

Neither HDRI Prep nor VoxScan shows ads.

### Which is updated more often, HDRI Prep or VoxScan?

HDRI Prep ships an update every 9 months, and VoxScan every 5 weeks. Most recently, HDRI Prep was updated on November 3, 2026 and VoxScan on November 4, 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.*