php eventloop VS Overgrid by Paintingstack

Compare php eventloop VS Overgrid by Paintingstack and see what are their differences

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Create production-ready applications with zero code sponsored

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php eventloop

a simple non blocking and async event loop written in php

Overgrid by Paintingstack

Overlay a precision grid on any reference photo. Transfer proportions to canvas accurately. The grid method, in your pocket.

Landing page //
2023-07-27

See the values before you paint //
2026-04-17
Values. Temperature. Contrast. One Tap. //
2026-04-17
Accuracy your teacher won't believe //
2026-04-17
Your grid, your way. //
2026-04-17
No subscription. Yours forever. //
2026-04-17

Add a grid to any reference photo. Transfer proportions to canvas with confidence.

Import from your gallery or shoot with your camera. Set rows, columns, line weight, and color. Crop your image to match your exact canvas proportions before you grid, so every square lines up when you transfer. No guesswork, no wasted paint.

Adaptive contrast reads your image and picks grid colors that stay visible on any background. Dark lines on light areas, light lines on dark. You never lose the grid.

Value study breaks the image into tonal levels so you can plan light and shadow before you start. Temperature overlay maps warm and cool zones across the composition.

Save setups as presets. One tap to apply your favorite grid configuration to any new project. Add diagonals for composition analysis. Turn on numbering to track your squares.

Export at full resolution, up to 4096px, for printing or reference at any size.

Free includes three projects, basic grid, and 1080px export. Premium is $9.99, once. Not a subscription.

No account. No cloud. No ads. Your images never leave your device.

Available on iPhone, iPad, Mac, and Android.

php eventloop

Website: github.com
Pricing URL: -
$ Details: -
Platforms: -
Release Date: -

Overgrid by Paintingstack

Website: paintingstack.com
Pricing URL: Official Overgrid by Paintingstack Pricing
$ Details: freemium $12.99 / One-off (Lifetime Premium)
Platforms: iOS iPhone iPad MacOS Android
Release Date: 2026 April
Startup details
Country: Chile
State: Region Metropolitana
City: Santiago
Founder(s): Gregorio Undurraga
Employees: 1 - 9

php eventloop features and specs

Simple and lightweight
The library provides a minimalistic implementation of an event loop in PHP, making it easy to understand and integrate into small projects without heavy dependencies.
Educational value
As a straightforward PHP event loop implementation, it serves as a great learning resource for developers wanting to understand how event loops and asynchronous programming concepts work under the hood in PHP.
Non-blocking I/O support
The library enables non-blocking I/O operations in PHP, allowing developers to handle multiple tasks concurrently without relying on multi-threading, which PHP does not natively support well.
Timer and periodic task support
It provides built-in support for timers and periodic tasks, enabling developers to schedule recurring operations or delayed execution within the event loop.
Pure PHP implementation
The library is written in pure PHP without requiring external C extensions, making it portable and easy to install across different PHP environments without special compilation steps.

Possible disadvantages of php eventloop

Limited community and support
The project has a very small community with minimal stars, forks, and contributors on GitHub, which means limited peer support, fewer bug reports, and potentially slower issue resolution.
Not production-ready
Given its small scale and limited adoption, the library may not be battle-tested enough for production environments where reliability, performance, and stability are critical.
Limited features compared to alternatives
More established PHP async libraries like ReactPHP, AmpPHP, and others offer far more comprehensive ecosystems with HTTP servers, database clients, and stream handling that this library lacks.
Performance limitations
Being a pure PHP implementation without leveraging extensions like ev, libuv, or swoole, the event loop may suffer from performance bottlenecks compared to extension-backed alternatives when handling high concurrency.
Poor documentation
The repository has minimal documentation and examples, making it difficult for new users to understand the full API, edge cases, and best practices for using the library effectively.

Overgrid by Paintingstack features and specs

Grid overlay
Custom rows, columns, line weight, opacity, color
Aspect ratio crop
Match reference to canvas proportions before gridding
Adaptive contrast
Grid auto-adjusts color to stay visible on any image
Value study
Reduces image to 3-5 tonal levels for light/shadow planning
Temperature overlay
Maps warm and cool zones across the composition
Diagonals and numbering
Diagonal lines for composition, numbered squares for tracking
Presets
Save and load favorite grid configurations

Analysis of php eventloop

Overall verdict

php-eventloop is a lightweight event loop implementation for PHP that provides a solid, minimalistic solution for developers wanting to implement asynchronous, non-blocking behavior without adopting a full framework like ReactPHP or Amp. It's good for learning purposes and simpler use cases, though it lacks the extensive ecosystem, tooling, and production hardening of more established async libraries.

Why this product is good

Lightweight and simple to understand, making it easy to integrate into small projects
Useful for learning how event loops work under the hood in PHP
Minimal dependencies compared to larger async frameworks
Open source and available for inspection/modification on GitHub
Can be a good starting point for building custom async solutions

Recommended for

Developers learning about event-driven programming in PHP
Small projects needing basic async functionality without heavy dependencies
Educational purposes and understanding event loop internals
Prototyping simple non-blocking I/O operations
Developers who want full control over a minimal event loop implementation

Analysis of Overgrid by Paintingstack

Overall verdict

I don't have verified information about Overgrid by Paintingstack, as this appears to be a niche or lesser-known product without sufficient publicly available reviews, documentation, or user feedback for me to assess accurately.

Why this product is good

I don't have reliable data on this specific tool's features or performance
No verifiable user reviews or independent testing sources are accessible to me for this product
Claims about niche software tools can be unverified without direct access to the platform

Recommended for

Recommend checking the official website directly for feature details and pricing
Look for independent reviews on platforms like G2, Capterra, or Trustpilot
Consider reaching out to the company for a demo or trial to evaluate firsthand
Search for user testimonials on forums or social media related to painting/design software

Category Popularity

0-100% (relative to php eventloop and Overgrid by Paintingstack)

php eventloop

Overgrid by Paintingstack

Eventloop

100 100%

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Photo Editing

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PHP

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Image Editing

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Questions & Answers

As answered by people managing php eventloop and Overgrid by Paintingstack.

What makes your product unique?

Overgrid by Paintingstack's answer:

Most grid apps stop at drawing lines on a photo. Overgrid adds tools that painters actually need: adaptive contrast that reads your image and picks grid colors that stay visible on any background, value studies that break the reference into tonal levels for planning light and shadow, and temperature overlays that map warm and cool zones across the composition. It also crops your reference to match your exact canvas proportions before you grid, so every square lines up when you transfer. No other grid app combines all of these in one place.

Why should a person choose your product over its competitors?

Overgrid by Paintingstack's answer:

One price, no subscription. Most competitors either lock basic features behind recurring payments or show ads. Overgrid has a genuinely useful free tier and a single $9.99 lifetime purchase for everything. It also works offline with no account required, your images never leave your device. And it runs on iPhone, iPad, Android, and Mac.

How would you describe the primary audience of your product?

Overgrid by Paintingstack's answer:

Painters and illustrators who use the grid method to transfer reference photos to canvas. Art students learning to see proportions. Anyone who works from a reference image and needs accurate scaling, whether they are painting 8x10 inches or 4 feet wide.

What's the story behind your product?

Overgrid by Paintingstack's answer:

The grid method has been used by artists for over 500 years, from Albrecht Durer to Chuck Close. But the digital tools available for it were either too basic (just lines on a photo) or buried useful features behind subscriptions. Overgrid was built to be the reference tool painters actually want: fast grid setup, canvas matching, value studies, and adaptive contrast, all without accounts, ads, or recurring charges.

Which are the primary technologies used for building your product?

Overgrid by Paintingstack's answer:

Flutter for cross-platform development (iOS, Android, iPad, macOS), Riverpod for state management, StoreKit 2 and Google Play Billing for in-app purchases, and Sentry for error tracking.

User comments

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What are some alternatives?

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