---
title: "Darkplug: darkroom timer for iPhone and iPad by Péter Szentkirályi"
canonical_url: https://cookiesforai.app/products/darkplug
markdown: https://cookiesforai.app/products/darkplug.md
publisher: "CookiesForAI"
last_updated: 2026-10-14T01:26:36+02:00
facts_checked: 2026-10-14
type: product
summary: "Darkplug is a darkroom timer for iPhone and iPad by Péter Szentkirályi, for timing enlarger exposures through a Shelly smart plug on your local network, with no account login required."
related:
  - "https://cookiesforai.app/products/lottapaws"
  - "https://cookiesforai.app/products/needlentory"
  - "https://cookiesforai.app/products/scoreo"
---

> Full index of this site: https://cookiesforai.app/llms.txt  
> Checked by CookiesForAI on 14 OCT 2026: store page or website saved and every fact on this page checked against the saved copy.

# Darkplug

Darkplug is a darkroom timer for iPhone and iPad by Péter Szentkirályi, for timing enlarger exposures through a Shelly smart plug on your local network, with no account login required.

iOS app by [Péter Szentkirályi](https://peterszentkiralyi.eu/darkplug/).

## Facts

| Fact | Value |
|---|---|
| Made by | [Péter Szentkirályi](https://peterszentkiralyi.eu/darkplug/) |
| Type | iOS app |
| Category | [Hobbies](https://cookiesforai.app/products/category/hobbies) |
| Runs on | iPhone, iPad |
| Free tier | Free plan |
| In-app purchases | Yes |
| Account needed | No |
| Languages | English |
| Store privacy label | Data Linked to You: contact info may be collected; Data Not Linked to You: contact info may be collected |
| First released | 20 SEP 2026 |
| Last update | 20 SEP 2026 |
| Website | https://peterszentkiralyi.eu/darkplug/ |
| App Store | https://apps.apple.com/us/app/darkplug/id6763592659 |
| Page updated | 14 OCT 2026 |
| Facts checked | 14 OCT 2026 ([how](https://cookiesforai.app/method)) |

## What Darkplug does

Darkplug switches a darkroom enlarger on and off through a compatible Shelly smart plug on the same local network and times exposures from your iPhone or iPad.

With Darkplug+, a one-time in-app purchase, you also get f-stop timing, guided test strips, dodge and burn planning, split grade printing and a guided paper developing timer.

Its red-on-black interface is made for use next to photo paper under safelight.

## Who Darkplug suits

- Film photographers who print in a home darkroom
- Printers who own or can get one of the listed Shelly smart plugs

One limit: Darkplug needs one of the listed Shelly smart plugs on the same local network as your iPhone or iPad.

## Darkplug and AI

Built with AI, as the maker says: The maker says the app was vibe coded using Codex and Xcode. ([source](https://news.ycombinator.com/item?id=49978595))

## What Darkplug costs

Free tier: Free plan. Darkplug is free to download; Darkplug+ is a one-time in-app purchase that unlocks the advanced printing tools, with no subscription.

Current prices: https://apps.apple.com/us/app/darkplug/id6763592659 (we do not list prices: makers change them, so check the maker's own page before you buy).

## How Darkplug got on this page

Listed by CookiesForAI from public pages: we saved Darkplug's store page or website and checked the facts on this page against the saved copies on 14 OCT 2026. The maker did not pay and was not asked.

Pages we saved: [apps.apple.com](https://apps.apple.com/us/app/darkplug/id6763592659), [peterszentkiralyi.eu](https://peterszentkiralyi.eu/darkplug/), [hacker-news.firebaseio.com](https://hacker-news.firebaseio.com/v0/item/49978595.json). Independent by our checks on 14 OCT 2026 ([how we decide](https://cookiesforai.app/method)).

Are you the maker? Write to cookiesforai@gmail.com to correct or remove this page. We read every request.

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- [Needlentory](https://cookiesforai.app/products/needlentory): Needlentory is an embroidery stash organizer for iPhone and iPad by Diana Białogrzywa, for tracking threads, beads and fabrics, the materials each project needs and what is left to buy.
- [Scoreo](https://cookiesforai.app/products/scoreo): Scoreo is a score keeper for iPhone, iPad and Mac by Erik Sargent, for keeping score in board, card, dice and party games, with a searchable game history and shareable score graphs.