# HDRI Prep vs Exposure Check

The clearest difference is update cadence: Exposure Check at daily against HDRI Prep's every 6 months. Exposure Check also leads on price ($4.99 vs $9.99) and chart position (#195 vs unranked). On ads, in-app purchases, device support and iOS requirement 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 6 months, Exposure Check daily. The most recent releases landed on September 10, 2026 and September 21, 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 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Daily** |
| Monetization | — | Paid |
| Best chart rank | — | **#195** |
| Size | 1 MB | 30 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | 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/id1616103466)

**Features:** Vision Pro support

**In-app purchases:** none


### Exposure Check

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

**Currently charting:** #195 Top Paid · Photo & Video (US App Store)

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 6 months, and Exposure Check daily. Most recently, HDRI Prep was updated on September 10, 2026 and Exposure Check on September 21, 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.*