# GrayZone vs ProFilm Meter

The clearest difference is price: GrayZone at $2.99 against ProFilm Meter's $14.99. GrayZone also leads on chart position (#25 vs unranked) and ratings volume (5 vs 1). ProFilm Meter's advantage is rating (5.0 vs 2.8) and review sentiment (100% vs 63%). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

GrayZone costs $2.99 and ProFilm Meter $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ProFilm Meter holds the better App Store score, 5.0 against 2.8. That said, the two scores are not equally well evidenced: GrayZone has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 63% of GrayZone's written reviews are positive against 100% of ProFilm Meter's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | GrayZone | ProFilm Meter |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | [2.8 (5 ratings)](https://appshunter.io/ios/app/grayzone-light-meter/id6757147623/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/profilm-meter/id6761498714/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 62.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Paid | Paid |
| Best chart rank | **#25** | — |
| Size | 3 MB | 57 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Massimiliano Schenetti](https://appshunter.io/developer/1864870280) | [Scott Henderson](https://appshunter.io/developer/1889935226) |

## What reviewers say

### GrayZone

[App page](https://appshunter.io/ios/app/grayzone-light-meter/id6757147623)

**Currently charting:** #25 Top Paid · Photo & Video (US App Store)

This app acts as a precise light meter for photographers, allowing you to measure light in specific areas of your scene. It helps achieve consistent exposure and accurate tonal representation, especially in challenging lighting conditions.

**Highlights:** Zone System Mode for tonal analysis, Real SPOT metering for selected areas, Direct exposure control with ISO, shutter speed, and aperture, Live preview with native sensor ratio, UI color inversion option, No ads or data collection

**In-app purchases:** none


### ProFilm Meter

[App page](https://appshunter.io/ios/app/profilm-meter/id6761498714)

This app acts as a comprehensive light meter and exposure toolkit for film photographers. It supports various film formats and calculates complex exposure adjustments like reciprocity failure and bellows compensation. Features include real-time metering, film stock libraries, and flash metering.

**Highlights:** Precision reflected-light meter, On-device film stock library, Reciprocity failure correction, Bellows compensation calculation, RA4 Color Reversal estimates, Flash metering and trigger, Lens-independent viewfinder zoom

**In-app purchases:** none


## Frequently asked questions

### Is GrayZone free?

GrayZone costs $2.99, with no in-app purchases.

### Is ProFilm Meter free?

ProFilm Meter costs $14.99, with no in-app purchases.

### Which has better reviews, GrayZone or ProFilm Meter?

ProFilm Meter is rated higher. GrayZone averages 2.8 out of 5 from 5 ratings, while ProFilm Meter averages 5.0 from 1 ratings.

### Do GrayZone or ProFilm Meter have ads?

Neither GrayZone nor ProFilm Meter shows ads.

### Which is updated more often, GrayZone or ProFilm Meter?

GrayZone ships an update weekly, and ProFilm Meter weekly. Most recently, GrayZone was updated on September 22, 2026 and ProFilm Meter on September 15, 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.*