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Noir - Dark Mode for Safari icon
Noir ‒ Dark Mode for Safari icon
+2

Jeffrey Kuiken

For apple power users and dedicated console gamers who value high-fidelity aesthetics, privacy, and organized, ad-free utility tools.

5apps3.8(413.1K)UtilitiesReference

Snapshot

Who is Jeffrey Kuiken?

Providing high-fidelity Safari extensions and specialized companion tools for gaming enthusiasts. Enhancing user experience through native integration and spoiler-conscious design.

Target audience

Apple power usersDedicated console gamers who value high-fidelity aestheticsPrivacy

Active nemesis

1Blocker

Other rivals

Portfolio

Free 4
5
apps
Utilities3
Reference2

Last updated

Noir - Dark Mode for Safari

v2.29

4.4y ago

Intense

Publisher DNA

What defines Jeffrey Kuiken?

Publisher DNA

Primary focus

Safari extensions and gaming companion tools

Scale

indie

Target audience

Apple power users and dedicated console gamers who value high-fidelity aesthetics, privacy, and organized, ad-free utility tools.

Signature Patterns

  • •Strong emphasis on native iOS and iPadOS integration
  • •Premium, ad-free monetization models
  • •High-fidelity UI design with extensive customization options
  • •Focus on privacy-conscious, local-only data storage
Intense

Portfolio momentum

Released 28 updates across 5 apps in the last 6 months, indicating a high-frequency development cycle focused on maintaining existing titles.

Last release 29d agoActive apps 5

Portfolio

What does Jeffrey Kuiken ship?

Apps

5 apps analysed

Noir - Dark Mode for Safari icon
Noir - Dark Mode for Safari

Activate the Android Dark Mode. Darken Instagram, Google Photos and more..

3.2(136.4K)

Deep integration with iOS Shortcuts and Focus Filters

  • One-time payment model provides a high-value alternative to subscription-based dark mode utilities for Safari users
  • Performance regressions post-update cause significant page load delays and browser crashes on mobile and desktop devices
Noir ‒ Dark Mode for Safari icon
Noir ‒ Dark Mode for Safari

Activate the Android Dark Mode. Darken Instagram, Google Photos and more..

3.2(136.4K)
Noir – Dark Mode for Safari icon
Noir – Dark Mode for Safari

Activate the Android Dark Mode. Darken Instagram, Google Photos and more..

3.2(136.4K)

Distributed across 9 markets, strongest in Europe.

Based on 1 of 5 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (2)

  • Mexico1 / 1
  • United States1 / 1

Europe (5)

  • France1 / 1
  • Germany1 / 1
  • Italy1 / 1
  • Netherlands1 / 1
  • Spain1 / 1

Asia-Pacific (2)

  • Japan1 / 1
  • South Korea1 / 1

Core markets (1/1 apps)

FranceGermanyItalyJapanMexicoNetherlandsSouth KoreaSpainUnited States

User Sentiment

How do users feel about their apps?

1

Positive apps

0

Neutral / mixed

0

Negative apps

65/100

Avg sentiment score

Rivals

Who does Jeffrey Kuiken compete with?

The rivals identified

Nemeses(2)

1Blocker

known for1Blocker: Ad Blocker

1 app3.8Utilities

Both apps target Safari users on Apple devices, competing for the same browser extension slot and user attention regarding page rendering and privacy.

Gene Allister Sy

known forACNH.Guide for Animal Crossing

1 app4.4Reference

Both apps target the same Animal Crossing: New Horizons player base by providing overlapping collection tracking and museum management tools.

Contenders(14)

AI4U

known forNoxri: Dark Mode for Safari

1 app4.6Utilities

Both apps target Safari users requiring automated dark mode injection, competing directly for the same browser extension utility market.

Balazs Galambosi

known forDark Night - mode for Safari

1 app4.3Utilities

Both apps target Safari users requiring automated dark mode injection, competing directly on the utility of website theme rendering and browser extension integration.

Big Pineapple

known forBanish - Block 'Open in App'

1 app3.8Utilities

Both apps function as Safari extensions on iOS and iPadOS using a one-time purchase model, competing for the same browser utility wallet share.

FoxfortMobile

known forNitefall: Browser dark mode

1 app3.2Utilities

Both apps function as Safari extensions that automatically inject dark mode styles, directly competing for the same user base seeking to reduce eye strain on iOS and macOS.

Geert van Drunen

known forNookphone Companion

1 app3.9Reference

Both apps target Animal Crossing: New Horizons players with collection tracking and critter databases, competing for the same user base despite different monetization models.

ITHERSTA LLP

known forAssistant for Stardew Valley

1 app4.9Reference

Both apps serve dedicated simulation game players through paid, ad-free reference tools that prioritize offline access to complex game data.

Kateryna Momotova

known forDatabase for Stardew Valley

1 app4.8Reference

Both apps function as specialized game companion guides for life-simulation titles, competing for the attention of players who require centralized, mobile-first data management for complex game mechanics.

Kaylee Calderolla

known forWipr 2

1 app4.7Utilities

Both apps target Safari users on Apple platforms with a one-time purchase model, competing for the same wallet share in the browser extension utility category.

PROMOTINO

known forDark Mode for Safari: NightEye

1 app4.2Utilities

Both applications function as Safari extensions providing automated dark mode, targeting the same user base seeking to reduce eye strain during web browsing.

Tony Sundharam

known forSink It for Reddit

1 app4.6Utilities

Both apps function as Safari extensions that modify web page behavior to improve user experience, competing for the same browser-based power user segment.

嘉琪 曾

known forDark Mode + For Safari Browser

1 app4.2Utilities

Both apps compete for the same Safari user base by providing browser-level dark mode rendering through extension architecture.

国辉 满

known forDarker - Dark Mode for Safari

1 app3.2Utilities

Both apps compete for the same Safari user base on iOS and iPadOS by providing browser-level dark mode overlays. They overlap directly in their core utility of modifying website appearance to reduce screen glare.

婷婷 乔

known forDark Mode for Safari.

1 app4.8Utilities

Both applications target Safari users seeking automated dark mode rendering, competing directly for the same browser extension utility market.

逸超 詹

known forNook Circle - ACNH Guide

1 app0.0Reference

Both apps target Animal Crossing: New Horizons players with paid, comprehensive collection tracking and database tools.

Same space(18)

Apps by Alex AB

known forNight Web Browser by Alex

1 app2.5Utilities

Night Web Browser by Alex targets the same nighttime browsing demographic as Noir but functions as a standalone browser.

Dark Reader

known forDark Reader for Safari

1 app4.3Utilities

Dark Reader for Safari serves the same eye-care utility market as Noir but utilizes a cross-platform iCloud sync mechanism.

Dat Nguyen Nam Thanh

known forAurora: Dark Mode for Safari

1 app5.0Utilities

Aurora targets the same Safari user base as Noir, emphasizing a feedback-driven development loop for site-specific rendering issues.

Denk Alexandru

known forDark Mode for Safari

1 app4.1Utilities

Dark Mode for Safari provides a similar extension-based dark mode utility, competing directly for the same Safari user segment.

Gregory de Jonckheere

known forQuiche Browser

1 app4.9Utilities

Quiche Browser competes for the same Safari-adjacent user base by offering a standalone, highly customizable browsing experience.

Jatisari Inovasi Studio

known forSafari

1 app4.4Utilities

Safari is the native browser platform that hosts Noir, providing the foundational environment for all extension-based dark mode utilities.

Pedro Carrazana

known forDark Mode Feat for Safari

1 app0.0Utilities

Dark Mode Feat for Safari targets the same cross-platform Safari user base as Noir with a focus on offline performance.

Phil Trevor

known forDark Mode for Safari app

1 app0.0Utilities

Dark Mode for Safari App competes for the same Safari extension audience by offering distinct visual theme presets.

Prasomsak Khunmuen

known forDark Night Browser

1 app3.7Utilities

Dark Night Browser targets the same nighttime browsing audience as Noir but operates as a standalone browser rather than an extension.

Pro App Company

known forUltra Dark Mode Extension

1 app4.0Utilities

Ultra Dark Mode Extension competes with Noir by offering a freemium model that gates advanced customization behind a subscription.

Samsuddin Ahmed Sohag

known forDark Mode for browser

1 app3.9Utilities

Dark Mode for browser provides a free, maintenance-focused alternative to Noir for Safari users seeking forced dark themes.

Storq Labs BV

known forDark Reader Mode for Safari

1 app4.2Utilities

Dark Reader Mode for Safari serves the same Safari extension market as Noir, emphasizing stylesheet-level rendering for readability.

Takaki Takemura

known forOnyx - Dark Mode

1 app0.0Utilities

Onyx serves the same Safari extension market as Noir, focusing on granular per-site control and custom theme creation.

Usman Perwaiz

known forSloths Browser

1 app4.1Utilities

Sloths Browser competes for the same nighttime browsing audience as Noir by focusing on blue light reduction and screen dimming.

建楠 张

known forDarkify for Safari

1 app3.7Utilities

Darkify for Safari serves the same privacy-conscious Safari user base as Noir by processing all theme adjustments locally.

涛 陈

known forDark Light: Web Theme Switch

1 app0.0Utilities

Dark Light targets the same Safari extension user base as Noir but provides both dark and light mode forcing.

紫妍 连

known forDark Mode Fix for Safari

1 app0.0Utilities

Dark Mode Fix for Safari targets the same Safari user base as Noir using a one-time purchase model for advanced features.

裕涛 兰

known forDark Mode - Dark Reader

1 app4.3Utilities

Dark Mode - Dark Reader provides a similar Safari extension utility focused on brightness and contrast adjustments for eye strain.

New entrants(1)

Muhammad Yasoob Ullah Khalid

known forDark Mode for Websites

1 app5.0Utilities

Dark Mode for Websites provides a free, Safari-integrated alternative to Noir for users seeking per-site configuration.

The Analyst's Read

The bottom line on Jeffrey Kuiken

Bottom line

Jeffrey Kuiken is a highly focused developer delivering polished, utility-driven software that excels in niche Apple-centric markets. Their consistent update cadence and high user satisfaction in the gaming reference category demonstrate a strong commitment to product quality over volume.

Frequently asked questions

How many apps does Jeffrey Kuiken publish?
Jeffrey Kuiken has 5 apps tracked by Marlvel, primarily in the Utilities category.
What kind of apps does Jeffrey Kuiken make?
Jeffrey Kuiken's portfolio is concentrated in Utilities and Reference, with an average rating of 3.8/5 across rated apps.
What is Jeffrey Kuiken's top app?
By review volume across the portfolio, Noir - Dark Mode for Safari is Jeffrey Kuiken's best-known app tracked by Marlvel.
In how many countries are Jeffrey Kuiken's apps available?
Marlvel has tracked Jeffrey Kuiken's apps across 9 countries.

What fed this analysis

Apps analyzed:
5
With full intel:
1
With overview:
5
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Jeffrey Kuiken, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Jeffrey Kuiken intelligence.” Updated 2026-04-30. https://marlvel.ai/publishers/jeffrey-kuiken

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Data licensed under CC-BY-NC 4.0