Chronodev vs DevLog Darkroom
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chronodev
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.
- 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
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Transform your iPhone into an enlarger timer using Chronodev. Chronodev uses HomeKit-enabled wall plugs and lightbulbs to control your enlarger and safelights. Secondhand enlarger timers can be expensive and hard to find. This one costs the price of a wi-fi wall plug. - Control your enlarger and safelight with your iPhone or iPad - Expose prints accurately using the HomeKit-enabled timer - Manual enlarger control for focusing - Use the metronome for dodging and burning - Adjust times using EV stops - Automatically create test strips with incremental exposures, and keep track of exposure times using a handy graph - Automatically turn your safelight off when exposing/focusing - Voice control support for hands-free development - Safe to use in black and white darkrooms when using iOS's built-in red color filter A HomeKit-enabled wall plug and/or lightbulb is required to use all features of this app. Some features (like a basic timer and EV stop calculations) are available without a HomeKit-enabled device.
DevLog Darkroom
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DevLog is the all-in-one companion for film photographers who develop at home. Track every roll through its entire lifecycle, save the exact development recipe you used, log each frame's exposure data, and review your shooting and developing stats — all in one focused, offline app. From loading a fresh roll into your camera to archiving the final scans, DevLog keeps your analog workflow organized and repeatable. KEY FEATURES • Roll Lifecycle Timeline — Follow each roll through seven stages: loaded, shooting, shot, developing, developed, scanning, and archived, each with its own timestamp. • Development Recipes — Save your developer, dilution, temperature, time, agitation method, stop bath, fixer, wash, and a personal rating for every roll so you can reproduce your best results. • Frame Log — Record shutter speed, aperture, subject, and location for individual frames, so you never forget the shot. • Built-in Presets — Choose from a curated library of popular film stocks, developers, cameras, and lenses to fill in details fast. • Statistics — See your total rolls, rolls in progress, archived rolls, average development time, most-used film and developer, and a breakdown by film type. • 100% Offline & Private — No account, no network, no tracking. Everything stays on your device. Keep your darkroom knowledge in one place, roll after roll.
Screenshots
Verdict
Chronodev and DevLog Darkroom are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Chronodev | DevLog Darkroom |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Kevin Olmats | 晓 郭 |
In-app purchases
Chronodev
No in-app purchases
DevLog Darkroom
No in-app purchases









