# Chronodev vs ProFilm Meter

The clearest difference is price: Chronodev at Free against ProFilm Meter's $14.99. ProFilm Meter's advantage is rating (5.0 vs 4.5) and update cadence (weekly vs monthly). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Chronodev is free to download; ProFilm Meter costs $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 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Chronodev ships an update monthly, ProFilm Meter weekly. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Chronodev | ProFilm Meter |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/chronodev-darkroom-timer/id6478027671/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/profilm-meter/id6761498714/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#114** |
| Size | 2 MB | 57 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Olmats](https://appshunter.io/developer/1480968856) | [Scott Henderson](https://appshunter.io/developer/1889935226) |

## What reviewers say

### Chronodev

[App page](https://appshunter.io/ios/app/chronodev-darkroom-timer/id6478027671)

This app transforms your iPhone or iPad into a darkroom enlarger timer. It uses HomeKit-enabled devices to control your enlarger and safelights, offering features like manual control, metronome for dodging/burning, and automatic test strip creation.

**Highlights:** iPhone/iPad enlarger timer, HomeKit device control, Manual enlarger focusing, Metronome for dodging/burning, EV stop time adjustments, Automatic test strip creation, Voice control support

**In-app purchases:** none


### ProFilm Meter

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

**Currently charting:** #114 Top Paid · Photo & Video (US App Store)

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 Chronodev free?

Chronodev is free to download, with no in-app purchases.

### Is ProFilm Meter free?

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

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

ProFilm Meter is rated higher. Chronodev averages 4.5 out of 5 from 2 ratings, while ProFilm Meter averages 5.0 from 1 ratings.

### Do Chronodev or ProFilm Meter have ads?

Neither Chronodev nor ProFilm Meter shows ads.

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

Chronodev ships an update monthly, and ProFilm Meter weekly. Most recently, Chronodev was updated on September 29, 2026 and ProFilm Meter on October 2, 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.*