# HDRI vs HDRI Prep

The clearest difference is price: HDRI Prep at $9.99 against HDRI's $13.99. HDRI's advantage is iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

HDRI costs $13.99 and HDRI Prep $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HDRI ships an update every 8 months, HDRI Prep every 6 months. The most recent releases landed on July 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | HDRI | HDRI Prep |
| --- | --- | --- |
| Price | $13.99 | **$9.99** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/hdri/id1399778188/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Goldgewicht Consulting](https://appshunter.io/developer/1212140131) | [Squirrel FX LLC](https://appshunter.io/developer/1557764202) |

## What reviewers say

### HDRI

[App page](https://appshunter.io/ios/app/hdri/id1399778188)

Create photorealistic 3D scenes with this powerful tool. It helps visualize virtual objects in real-world environments by capturing and processing 360 panoramic images for lighting and reflection.

**Highlights:** Photorealistic 3D image creation, 360 panoramic camera control, Lighting and reflection source for 3D scenes, Supports HDR and EXR formats, Ideal for VFX, AR, and VR applications

**Features:** macOS Compatibility

**In-app purchases:** none


### HDRI Prep

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

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HDRI free?

HDRI costs $13.99, with no in-app purchases.

### Is HDRI Prep free?

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

### Do HDRI or HDRI Prep have ads?

Neither HDRI nor HDRI Prep shows ads.

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

HDRI ships an update every 8 months, and HDRI Prep every 6 months. Most recently, HDRI was updated on July 7, 2026 and HDRI Prep on September 10, 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.*