Alfredo Grassau
For safari power users, web developers, and designers looking for specific browser enhancements and productivity tools.
ShadeView Dark Mode for Safari
Snapshot
Who is Alfredo Grassau?
Providing Safari users with a comprehensive suite of browser extensions to customize, measure, and optimize their web browsing experience.
Target audience
Portfolio
Free 7Last updated
ShadeView Dark Mode for Safari
v2.29
4.3y ago
Publisher DNA
What defines Alfredo Grassau?
Publisher DNA
Primary focus
Safari browser extensions and web utilities
Scale
studio
Target audience
Safari power users, web developers, and designers looking for specific browser enhancements and productivity tools.
Signature Patterns
- •Hyper-focused on the Safari extension ecosystem across iOS, iPadOS, and macOS
- •Monetization strategy is predominantly free-to-use for core utilities
- •High-velocity update cadence to maintain browser extension functionality and compatibility
- •Portfolio composition favors single-purpose tools over multi-feature platforms
- •Strong emphasis on developer and designer-centric utilities such as rulers, inspectors, and SVG pickers
Portfolio momentum
With 137 releases across 42 apps in the last 6 months and a 97% active portfolio rate, the publisher maintains an exceptionally high update frequency.
Portfolio
What does Alfredo Grassau ship?
Apps
50 apps analysed
Analysis in progress
The app allows you to scroll automatically the content on your smartphone screen
- Core utility functions reliably for users within the current mobile environment
- Platform exclusivity to Safari limits utility for users preferring alternative browsers
Safari extension architecture ensures integration with native Apple browsing workflows
- Customizable scroll velocity settings function as a differentiator for power users
Distributed across 11 markets, strongest in Europe.
Based on 14 of 50 apps with localized market data, more coverage rolling in as scans complete · last scanned .
Americas (3)
- Mexico14 / 14
- United States14 / 14
- Brazil13 / 14
Europe (6)
- Portugal14 / 14
- Spain14 / 14
- France13 / 14
- Germany13 / 14
- Italy13 / 14
›+1 more europe market
- Sweden1 / 14
Asia-Pacific (2)
- Japan13 / 14
- South Korea13 / 14
Core markets (14/14 apps)
User Sentiment
How do users feel about their apps?
0
Positive apps
1
Neutral / mixed
0
Negative apps
50/100
Avg sentiment score
Rivals
Who does Alfredo Grassau compete with?
The rivals identified
Nemeses(6)
Both apps compete for the same Safari extension slot on Apple devices, targeting users who want to modify web content for a cleaner browsing experience.
Both apps target mobile users requiring automated web page scrolling, creating direct competition for the same utility-focused audience.
Both applications target web developers and designers on Safari, with Userscripts offering broader browser customization while CSS Inspector for Safari focuses on design property extraction.
Both apps target YouTube users seeking distraction-free environments, with ContentController offering broader filtering options at a lower price point.
Both apps target Safari users requiring HTML5 video playback control, with Accelerate providing a free alternative to the paid SpeedPlay model.
With over 144,000 ratings, this app dominates the automation utility space by providing a robust, high-frequency clicking engine that dwarfs the target's current market presence.
Contenders(40)
Smart Auto Reload for Safari automates page updates while maintaining user context, serving users who monitor live web data.
Both apps target Safari users requiring automated scrolling for long-form content, with QuickScroll for Safari undercutting the $2.99 price point at $0.99.
Both apps target students and professionals requiring granular playback speed control within the Safari browser, competing directly for the same utility-focused user base.
Both apps target web developers on iOS and iPadOS via Safari extensions, competing for the same mobile-first web inspection workflow.
Both applications target Safari users seeking granular media playback control, competing directly for the same utility-focused browser extension market.
Web Inspector offers mobile-first DOM inspection and network monitoring for developers debugging live pages.
Both extensions target Safari users seeking to remove Google AI summaries, directly competing for the same search-refinement intent.
Both apps compete for the same Safari extension utility niche, targeting users who require granular playback speed control for educational and long-form media content.
Both tools function as Safari extensions that curate web content, competing for users who want to modify their browsing experience to remove specific distractions.
Both apps target users seeking to eliminate short-form video distractions, with Pants: No Shorts expanding the scope beyond YouTube to include Reels and general social media feeds.
Both tools function as Safari browser extensions targeting web developers and testers, competing for the same browser-based utility workflow.
Both apps target Safari users aiming to clean up their browsing experience, though they address different types of web content.
Both applications target web developers needing CSS tools, but they serve different stages of the workflow: live site inspection versus offline prototyping and reference.
Both apps target users requiring granular video playback speed control, with ClipGlider offering a free mobile-first alternative to the Safari-specific extension provided by SpeedPlay.
Both apps target Safari users seeking to remove Google AI summaries, creating direct competition for the same browser extension utility.
Both apps target mobile developers, but they serve distinct stages of the web development lifecycle: live site inspection versus active file editing.
Both apps target Safari users seeking to remove social media distractions, with Noiseless offering a broader scope across six platforms compared to the YouTube-specific focus of Block YT Shorts for Safari.
Both apps target the same niche of Safari users seeking to remove Google AI summaries via browser extension filtering.
Both apps function as Safari browser extensions designed to remove YouTube Shorts content, competing for the same productivity-focused user base on Apple platforms.
Both apps target Safari users seeking to remove Google AI summaries from search results, creating direct competition for the same user base.
Both apps target web developers needing to inspect CSS and page elements on mobile devices, creating direct competition for the same professional user base.
Both applications function as Safari extensions targeting users who require granular playback speed control for web-based video content. They compete directly for the same audience of students and professionals consuming media via browser-based players.
Both apps target users who consume long-form web content by automating page movement, but Scroll offers a free, standalone browser experience while Auto Scroll and Read operates as a paid Safari extension.
Both apps target Safari users with automated scrolling functionality, creating direct competition for the same niche reading audience.
Both apps target Safari users requiring automated scrolling for long-form content, with Auto Scroll Plus undercutting the $2.99 price point at $0.99.
Both apps target Safari users on macOS and iOS to filter YouTube content, directly competing for the same productivity-focused user base.
Both apps target Safari users requiring automated navigation, with the rival undercutting the $2.99 price point at $0.99 while expanding utility to vertical video feeds.
Allow serves as a utility to bypass website restrictions on text interaction, complementing tools that manage page navigation.
FeedLite targets the same user base seeking to eliminate short-form video distractions, but it expands the scope beyond YouTube to include Instagram Reels and Explore pages.
Both tools target web developers requiring inspection capabilities within the Safari browser environment.
Both apps function as Safari extensions targeting the removal of YouTube Shorts, creating direct competition for users seeking distraction-free browsing. The rival introduces a freemium model that challenges the target's paid-only pricing structure.
Both apps target Safari users requiring automated scrolling, but Glida's free pricing model directly challenges the $2.99 barrier of Auto Scroll and Read.
Both apps function as Safari extensions targeting Google search results, competing for users who want to curate their search experience.
Both extensions target Safari users requiring granular video playback control for educational and long-form media consumption.
Both applications function as Safari extensions designed to filter YouTube content, directly competing for users seeking to remove short-form video distractions.
Both apps are paid Safari extensions priced at $2.99 that target users requiring HTML5 media playback speed control.
Both apps compete for the same Safari user base seeking to clean up browser clutter, creating a direct overlap in the browser extension utility space.
Both apps target Safari users managing web design assets, though they address distinct workflows: visual inspection of live elements versus formatting of minified code files.
Both applications target Safari web developers needing to inspect website design and code, creating direct competition for the same professional user base.
Both applications target Safari users requiring granular playback speed control for web-based video content, creating direct competition for the same browser utility segment.
Same space(63)
Safari serves as the native browser environment where users access web content, competing by offering built-in Reader mode and extension support.
Stay for Safari functions as a browser extension that enables custom user scripts to add automation features like pagination.
This app targets the same mobile browser utility segment as the source, focusing on content filtering rather than page automation.
Offers open-source ad blocking for Safari, competing for the same browser-extension real estate as the source app.
Offers a focused YouTube experience in Safari by hiding feeds and comments, serving a similar productivity audience.
View Source Premier includes a built-in simulator for testing code across various screen sizes.
This tool provides screen automation for gaming and reading, acting as a general-purpose alternative to specialized browser extensions.
Targets the same Safari-based YouTube distraction problem, providing a similar paid utility.
known for
Video Speed slow motion editor
This utility focuses on modifying local video files, while SpeedPlay operates as a browser extension for web content.
Focuses on hiding the YouTube news feed to prevent distraction, serving a similar productivity-oriented audience.
Provides general ad blocking for Safari, acting as a broader utility that may overlap with the source app's functionality.
This app processes local video files, serving as a post-production tool rather than a browser-based playback utility.
Targets addictive social media sections via Safari, offering a similar browser-based approach to the source app.
This app is a local file editor, distinct from SpeedPlay's browser-based web video control.
Tiny Web Inspector provides professional-grade debugging tools including network monitoring and storage inspection.
Achoo provides a lightweight interface for viewing and editing webpage source code directly in Safari.
Spliteb uses a split-screen interface to integrate web inspection tools directly with the Safari browser.
Editra enables real-time visual customization of web pages without requiring manual code editing.
This tool combines web automation and scrolling, offering a broader feature set for browser-based tasks.
EZ Manga functions as a specialized browser that optimizes web layouts for comic and webtoon reading.
Browsie personalizes the Safari browsing experience with animal-themed backgrounds for new browser tabs.
Provides a one-time purchase alternative for Safari users wanting to remove Shorts, competing directly with the source app.
Provides broad ad-blocking functionality for Safari, acting as a comprehensive alternative to the single-purpose Shorts blocker.
This is a direct functional competitor, providing browser-based playback control for Safari.
Web Inspector is a legacy debugging utility that currently fails to load web pages.
Noir injects custom dark mode styles into websites to improve readability without manual configuration.
Provides granular UI filtering across multiple sites, appealing to users who want a unified distraction-management tool.
This reader focuses on manga and webtoons, providing a dedicated environment for long-form visual content consumption.
Focuses on adult content filtering in Safari, providing a similar browser-extension utility for a different target audience.
Manga Reader Infinity offers a broad library and multiple reading modes, including auto-scroll for comics.
Manga Reader provides a library-focused experience for digital comics, competing for the time users spend reading.
Targets a different content category while using the same Safari extension architecture as the source app.
This app focuses on batch processing local video files, whereas SpeedPlay handles live web video.
Uses native Safari APIs for content filtering, providing a reliable alternative for users focused on digital wellness.
This macro tool automates screen interactions, providing browser-specific features like auto-refresh and scrolling.
Provides targeted UI customization for YouTube in Safari, acting as a direct alternative to the source app.
Search+ for Safari targets the same power-user browser segment by automating query routing rather than filtering search results.
This is a standalone video editor for local files, whereas SpeedPlay focuses on live web playback.
This app is a local file editor, contrasting with SpeedPlay's real-time browser-based playback control.
Inspect Browser provides desktop-class debugging tools for professional developers needing on-the-go troubleshooting.
This app provides audio-centric playback control, serving a similar niche for learners but focused on local files.
EasyScroll provides hands-free vertical navigation for Safari, directly addressing the same reading ergonomics as the source app.
This tool automates image viewing for files like ZIP and CBZ, serving users who read comics offline.
Attempts to provide adult content filtering, though it is currently defunct and poses security risks.
This is a legacy local video editor, contrasting with SpeedPlay's active browser extension utility.
This app edits local video files, while SpeedPlay is a browser extension for web video.
Uses Android Accessibility Service to filter content, serving a broader mobile audience than the Safari-only source app.
Super Agent automates cookie consent management to eliminate browsing interruptions caused by pop-ups.
Inspect validates TLS certificate chains to help security researchers audit network trust states.
This reader aggregates multiple manga sources into one interface, offering a library-centric approach to content consumption.
Offers granular control over YouTube's interface in Safari, appealing to users who want to strip away algorithmic elements.
The app automates repetitive web tasks, offering configuration management that appeals to users needing consistent workflows.
This app targets local video editing, whereas SpeedPlay is a browser extension for live web video.
Simple Refresh for Safari automates live content monitoring, providing a specific utility that complements reading-focused automation.
Provides a surgical tool for Shorts removal in Safari, competing with the source app's niche focus.
Directly competes in the same niche as the source app by focusing exclusively on YouTube Shorts removal in Safari.
Darker applies a dark mode overlay to websites to reduce screen glare during nighttime browsing.
Debug Anywhere provides a toolkit for inspecting source code, network requests, and storage in WebViews.
This IDE provides a local environment for writing and executing web code on mobile devices.
This utility stitches screenshots into long images, serving users who need to capture long-form web content.
This automation tool handles repetitive tapping and scrolling tasks within a web context.
Web Monitor allows users to retrieve and analyze HTML, CSS, and JavaScript code from websites.
This utility provides a sandboxed environment for automating browser tasks, including scrolling and refreshing.
New entrants(7)
This app provides a dedicated browser for video, whereas SpeedPlay is an extension for the existing Safari browser.
DOM Lens allows users to inspect DOM elements and CSS by tapping directly on the screen.
This app is a local file editor, while SpeedPlay is a browser extension for web video.
This productivity tool automates tap actions within a built-in browser, focusing on repetitive web tasks.
Uses a container-based approach to filter social media feeds, simplifying the setup process compared to standard Safari extensions.
Codeye integrates an AI assistant to help developers debug DOM trees and network activity.
Targets compulsive scrolling by removing short-form video feeds in Safari, matching the source app's productivity goal.
The Analyst's Read
The bottom line on Alfredo Grassau
Bottom line
Alfredo Grassau is a high-output specialist in the Safari extension market, leveraging a 'feature-as-an-app' strategy to dominate search results for browser utilities. Their ability to maintain a massive update volume across 40+ active titles suggests a highly disciplined development pipeline tailored for the Apple ecosystem.
Frequently asked questions
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What fed this analysis
- Apps analyzed:
- 42
- With full intel:
- 0
- With overview:
- 42
- Website scraped:
- yes
- Social presence:
- no
