# Chronodev vs DisparaTimer

The clearest difference is iOS requirement: DisparaTimer at 15.5 against Chronodev's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on June 7, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Chronodev | DisparaTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/chronodev-darkroom-timer/id6478027671/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Olmats](https://appshunter.io/developer/1480968856) | [Angel David Rodriguez](https://appshunter.io/developer/1808034419) |

## 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


### DisparaTimer

[App page](https://appshunter.io/ios/app/disparatimer/id6744536272)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chronodev free?

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

### Is DisparaTimer free?

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

### Do Chronodev or DisparaTimer have ads?

Neither Chronodev nor DisparaTimer shows ads.

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

Chronodev ships an update monthly, and DisparaTimer monthly. Most recently, Chronodev was updated on June 7, 2026 and DisparaTimer on September 18, 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.*