# Chronodev vs DevelopFilm

The clearest difference is rating: DevelopFilm at 5.0 against Chronodev's 4.5. DevelopFilm also leads on update cadence (every 11 days vs monthly). Chronodev's advantage is in-app purchases (none vs 3) and iOS requirement (17.0 vs 26.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. DevelopFilm sells 3 in-app purchases, starting at $2.99 per month. Chronodev asks for nothing beyond the download.

DevelopFilm holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Chronodev ships an update monthly, DevelopFilm every 11 days. The most recent releases landed on June 7, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Chronodev | DevelopFilm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/chronodev-darkroom-timer/id6478027671/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/developfilm-darkroom-lab/id6749870154/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | **Free** | Freemium |
| Size | 2 MB | 24 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Olmats](https://appshunter.io/developer/1480968856) | [Aleksandrs Bertulis](https://appshunter.io/developer/1825425669) |

## 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


### DevelopFilm

[App page](https://appshunter.io/ios/app/developfilm-darkroom-lab/id6749870154)

This app is a pocket darkroom companion for black-and-white film development. It offers official developing times, a smart timer with agitation guidance, and full process control. Track your film details and parameters in a built-in journal to refine your workflow and achieve consistent results.

**Highlights:** Official developing times database, Smart timer with agitation guidance, Full process control adjustments, Built-in film roll journal, Quick custom timer, Darkroom-ready minimal interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Darkroom Pass Monthly | $2.99 | per month |
| Darkroom Pass Yearly | $17.99 | per year |
| Lifetime Pro | $34.99 | one-time |


## Frequently asked questions

### Is Chronodev free?

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

### Is DevelopFilm free?

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

### Which has better reviews, Chronodev or DevelopFilm?

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

### Do Chronodev or DevelopFilm have ads?

Neither Chronodev nor DevelopFilm shows ads.

### Which is updated more often, Chronodev or DevelopFilm?

Chronodev ships an update monthly, and DevelopFilm every 11 days. Most recently, Chronodev was updated on June 7, 2026 and DevelopFilm on September 6, 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.*