# HDRI Prep vs Exposure Check

The clearest difference is update cadence: Exposure Check at daily against HDRI Prep's every 9 months. Exposure Check also leads on price ($4.99 vs $9.99). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

HDRI Prep costs $9.99 and Exposure Check $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HDRI Prep ships an update every 9 months, Exposure Check daily. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | HDRI Prep | Exposure Check |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/exposure-check/id6761986229/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Daily** |
| Monetization | Paid | Paid |
| Size | 11 MB | 30 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Squirrel FX LLC](https://appshunter.io/developer/1557764202) | [Game Night Films](https://appshunter.io/developer/1892177350) |

## 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


### Exposure Check

[App page](https://appshunter.io/ios/app/exposure-check/id6761986229)

This app provides professional-grade exposure analysis tools for photographers and videographers. It offers false color and zone system analysis for imported photos and a real-time false color camera overlay for live shooting. Manual camera controls and project organization features are also included.

**Highlights:** Real-time false color camera overlay, Zone system analysis, Manual camera controls, Import and analyze photos, Stacked compare view, Project organization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HDRI Prep free?

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

### Is Exposure Check free?

Exposure Check costs $4.99, with no in-app purchases.

### Do HDRI Prep or Exposure Check have ads?

Neither HDRI Prep nor Exposure Check shows ads.

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

HDRI Prep ships an update every 9 months, and Exposure Check daily. Most recently, HDRI Prep was updated on November 3, 2026 and Exposure Check on November 9, 2026.

---

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