# Histograms Explained vs UWACAM

The clearest difference is price: UWACAM at Free against Histograms Explained's $4.99. UWACAM also leads on rating (4.7 vs 3.3) and update cadence (every 2 weeks vs every 40 months). Histograms Explained's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On ads there is nothing between them.

UWACAM is free to download; Histograms Explained costs $4.99 up front. UWACAM sells 3 in-app purchases, starting at $9.99 per 7 days. Histograms Explained asks for nothing beyond the download.

UWACAM holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: UWACAM has 55 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of Histograms Explained's written reviews are positive against 70% of UWACAM's.

Histograms Explained ships an update every 40 months, UWACAM every 2 weeks. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Histograms Explained | UWACAM |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.3 (6 ratings)](https://appshunter.io/ios/app/histograms-explained/id583587749/reviews) | **[4.7 (55 ratings)](https://appshunter.io/ios/app/uwacam/id6714463099/reviews)** |
| Number of ratings | 6 | **55** |
| Positive reviews | 50.0% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 210 MB | 50 MB |
| Requires iOS | **12.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Newmediasoup, LLC](https://appshunter.io/developer/487946963) | [Bumbayaya GmbH](https://appshunter.io/developer/364901197) |

## What reviewers say

### Histograms Explained

[App page](https://appshunter.io/ios/app/histograms-explained/id583587749)

Learn to interpret your camera's histogram for better photography, both underwater and topside. This app de-mystifies histograms with narrated lessons, real-world examples, and quizzes from experienced professionals.

**Highlights:** De-mystifies camera histograms, Narrated training material, Real-world photo examples, Chapter quizzes, Tips from professional photographers, Covers luminance and RGB histograms

**Features:** macOS Compatibility

**In-app purchases:** none


### UWACAM

[App page](https://appshunter.io/ios/app/uwacam/id6714463099)

Capture stunning underwater photos and videos with professional-grade tools. Features automatic color processing, manual controls, and AI analysis for marine life identification.

**Highlights:** Automatic UWACOLOR processing, Manual control of exposure, focus, white balance, LOG format support for color grading, Built-in and custom LUTs, Vizalyzer AI marine life analysis, User-friendly interface for underwater use

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $9.99 | per 7 days |
| Monthly | $29.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Histograms Explained free?

Histograms Explained costs $4.99, with no in-app purchases.

### Is UWACAM free?

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

### Which has better reviews, Histograms Explained or UWACAM?

UWACAM is rated higher. Histograms Explained averages 3.3 out of 5 from 6 ratings, while UWACAM averages 4.7 from 55 ratings.

### Do Histograms Explained or UWACAM have ads?

Neither Histograms Explained nor UWACAM shows ads.

### Which is updated more often, Histograms Explained or UWACAM?

Histograms Explained ships an update every 40 months, and UWACAM every 2 weeks. Most recently, Histograms Explained was updated on September 30, 2026 and UWACAM on October 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.*