Software Alternatives, Accelerators & Startups

ForthWrite VS GridMakers.app

Compare ForthWrite VS GridMakers.app and see what are their differences

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ForthWrite logo ForthWrite

Email that sounds like you, and gets measurably more like you every week. Drafts in Gmail, Outlook, and the browser. Free to start.
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GridMakers.app logo GridMakers.app

The ultimate free grid maker tool. Overlay grids on reference photos, crop to paper sizes, and apply sketch filters. Private, local, and ad-free.
  • ForthWrite Landing Page
    Landing Page //
    2026-06-19
  • ForthWrite Dashboard
    Dashboard //
    2026-06-19
  • ForthWrite In Gmail
    In Gmail //
    2026-06-19
  • ForthWrite Pricing
    Pricing //
    2026-06-19

ForthWrite is an AI email writing assistant for Gmail and Outlook that learns your writing style from your real sent mail. The more you use it, the more it sounds like you. Get smart drafts in seconds, auto-draft replies before you open your inbox, and maintain your personal voice at scale. Free to start, no credit card required. Works inside Gmail and Outlook on the web.

How it works

ForthWrite captures your tone, sentence rhythm, and sign-offs from your actual sent emails, then uses that profile to generate drafts that match how you write, not a generic AI voice. Every draft you edit or send improves the model over time.

Key features

  • Auto-draft: replies waiting in Gmail before you open your inbox
  • Voice matching from your real sent mail, not templates
  • Recipient-aware drafts that adapt to who you are emailing
  • Prompt Lab for version-controlling and A/B testing your persona prompt
  • BYOK support: bring your own API key for Claude, OpenAI, Grok, Mistral, and more
  • Works in Gmail and Outlook on the web, plus a standalone browser widget
  • Training data export and full data portability

Who uses it

Professionals who send high volumes of relationship-critical email: lawyers, financial advisors, recruiters, account executives, founders, and anyone who wants their inbox handled without sounding like a chatbot wrote it.

Pricing

Free tier includes 10 drafts per week with no credit card required. Paid plans start at $12/month and include unlimited drafts, custom persona prompts, and auto-draft.

  • GridMakers.app four scenes with preset parameters
    four scenes with preset parameters //
    2025-12-25
  • GridMakers.app grid maker workspace without image
    grid maker workspace without image //
    2025-12-25
  • GridMakers.app grid maker workspace with image
    grid maker workspace with image //
    2025-12-25
  • GridMakers.app grid maker workspace: four filters
    grid maker workspace: four filters //
    2025-12-25
  • GridMakers.app grid maker workspace: paper size
    grid maker workspace: paper size //
    2025-12-25
  • GridMakers.app grid maker workspace: focus mode
    grid maker workspace: focus mode //
    2025-12-25
  • GridMakers.app result file
    result file //
    2025-12-25

GridMakers is a free, browser-based tool that brings the traditional grid drawing method into the modern era. While many existing tools rely on outdated web technologies, GridMakers offers a fast, responsive, and seamless experience without the need for downloads or account registration.

Key features that set us apart include:

Modern Performance: Built with the latest web standards for a smooth, lag-free user experience on both desktop and mobile.

Advanced Customization: Beyond basic lines, users can fully customize grid color, line thickness, and opacity to match their specific reference images.

Complete Privacy & Ease: No ads, no tracking, and 100% free. Just upload your image, apply your grid, and start creating.

Professional Export: High-resolution output ensures your grids remain crisp whether youโ€™re viewing them on a screen or printing them for physical canvas work.

ForthWrite

$ Details
freemium $12 / Monthly (Standard plan)
Platforms
Web
Release Date
2026 June
Startup details
Country
United States
State
California
City
San Diego
Founder(s)
Curtis Boortz
Employees
1 - 9

GridMakers.app

Pricing URL
-
$ Details
free
Platforms
-
Release Date
2025 December

ForthWrite features and specs

  • Voice Matching
    Learns from your real sent mail, not templates
  • Auto-draft replies
    Replies waiting in Gmail before you open your inbox
  • Batch-drafting
    Draft replies for your entire inbox with one click
  • Works in browser
    Gmail, Outlook, and web browsers
  • BYOK support
    Claude, OpenAI, Grok, Mistral, and more
  • Prompt Lab
    Version control and A/B test your persona prompt
  • Free tier
    10 drafts per week, no credit card required

GridMakers.app features and specs

  • Visual Grid Creation
    GridMakers.app provides a visual, intuitive interface for creating CSS grid layouts, allowing users to design complex grid structures without writing code from scratch.
  • Code Generation
    The tool automatically generates clean CSS grid code that can be copied and used directly in web projects, saving developers significant time and effort.
  • Easy to Use
    The app features a straightforward, user-friendly interface that makes it accessible to both beginners learning CSS Grid and experienced developers who want to speed up their workflow.
  • Browser-Based Tool
    As a web application, GridMakers.app requires no installation or setup. Users can access it from any modern browser on any operating system, making it highly convenient.
  • Rapid Prototyping
    Developers and designers can quickly prototype and experiment with different grid layouts in real time, making it easier to iterate on designs before committing to code.

Possible disadvantages of GridMakers.app

  • Limited Advanced Features
    The tool may lack support for more advanced CSS Grid properties and configurations, which could be limiting for developers working on highly complex layouts.
  • Niche Use Case
    GridMakers.app is focused solely on CSS Grid generation, which means it serves a narrow purpose and cannot replace a more comprehensive web design or development tool.
  • Limited Community and Documentation
    As a smaller, lesser-known tool, GridMakers.app may have limited community support, tutorials, and documentation compared to more established alternatives like CSS Grid Generator or Layoutit.
  • Dependency on Browser
    Being entirely browser-based means users need an internet connection to use the tool, and there is no offline mode or desktop application available for use without connectivity.
  • Limited Export Options
    The tool may offer only basic code export functionality without integration into popular development workflows, IDEs, or design tools, requiring manual copy-pasting of generated code.

Analysis of ForthWrite

Overall verdict

  • I don't have verified information about a product called ForthWrite (forthwrite.ai). I cannot confirm its features, quality, or reputation, so I'm unable to provide an accurate assessment of whether it's good.

Why this product is good

  • No reliable data available on this specific product in my knowledge base
  • This may be a newer product, a niche tool, or possibly a fictional/hypothetical name
  • Providing details without verified information could result in inaccurate or fabricated claims

Recommended for

  • Unable to determine without verified product information
  • Consider checking the official website, user reviews on platforms like G2 or Trustpilot, and independent tech review sites for accurate details

Analysis of GridMakers.app

Overall verdict

  • GridMakers.app appears to be a niche design tool focused on creating grid layouts, likely useful for designers and developers who need quick grid systems, though it lacks the broad recognition of major design tools.

Why this product is good

  • Simplifies the process of creating and customizing grid layouts for web and design projects
  • Likely offers a lightweight, focused tool without the complexity of full-scale design suites
  • Web-based accessibility (.app suggests browser-based usage) reduces need for software installation
  • May offer free or affordable options for quick grid generation tasks

Recommended for

  • Web designers needing quick CSS grid or layout scaffolding
  • Front-end developers prototyping responsive layouts
  • Freelancers or small teams looking for a simple, no-frills grid tool
  • Students or hobbyists learning about grid-based design systems

Category Popularity

0-100% (relative to ForthWrite and GridMakers.app)
Email
100 100%
0% 0
Design Tools
0 0%
100% 100
Email Productivity
100 100%
0% 0
Art Tools
0 0%
100% 100

Questions & Answers

As answered by people managing ForthWrite and GridMakers.app.

What makes your product unique?

ForthWrite's answer

ForthWrite learns your writing style from your actual sent mail, not a generic prompt. Every draft sounds like you wrote it because it was trained on how you actually write. It also auto-drafts replies before you open your inbox, so your email is partially handled before your day starts.

GridMakers.app's answer:

GridMakers was born to solve the frustrations of using outdated grid tools. It packs all essential featuresโ€”like customizable line weights, colors, and opacityโ€”into a modern, lightning-fast web interface. Unlike legacy tools, it's fully responsive (mobile-friendly), requires no account, and is 100% ad-free, making it the most efficient way for artists to prepare their references in seconds.

Why should a person choose your product over its competitors?

ForthWrite's answer

Most AI email tools give you a blank box and a "write for me" button. ForthWrite builds a voice profile from your sent history and gets more accurate with every draft you edit or send. Unlike ChatGPT or Gemini, it works natively inside Gmail and Outlook with no copy-paste. Unlike Lavender, it writes the draft, not just scores it.

GridMakers.app's answer:

GridMakers stands out by balancing extreme simplicity with mission-critical features that competitors overlook. While other tools only offer basic lines, GridMakers provides 4 specialized Image Filters designed specifically to help artists see values and structures more clearly. Furthermore, our intuitive 'Paper Handling' settings allow users to preview and adjust how the grid will translate to physical media, ensuring a seamless transition from screen to sketchpad. Itโ€™s built by understanding that artists need more than just a gridโ€”they need a better way to visualize their reference.

How would you describe the primary audience of your product?

ForthWrite's answer

Professionals who send high volumes of relationship-critical email and cannot afford to sound generic: lawyers, financial advisors, recruiters, account executives, consultants, and founders managing their own inbox.

GridMakers.app's answer:

GridMakers is purposefully designed for three distinct groups of creators, with pre-set configurations optimized for their specific workflows:

Traditional Fine Artists: Those working with oil, charcoal, or graphite who need precise scaling from digital references to physical canvases or paper.

Muralists & Large-Scale Creators: Artists who require specialized grid ratios to manage proportions on a massive scale without losing detail.

Art Educators & Students: Beginners who use the 'Grid Method' to learn about proportions, values, and spatial relationships. By offering pre-set parameters for different media and sizes, GridMakers eliminates the guesswork, allowing artists to focus on their craft rather than technical setup.

Which are the primary technologies used for building your product?

ForthWrite's answer

Next.js, React, Supabase, Anthropic Claude, OpenAI, Stripe, Vercel, Chrome Extensions API

GridMakers.app's answer:

GridMakers is built with a focus on high performance and zero-latency image processing. The primary technologies include:

  1. HTML5 & CSS3: Leveraging modern web standards to ensure a fully responsive UI that works seamlessly across desktops, tablets, and mobile devices.

  2. Canvas API: Using advanced hardware-accelerated rendering for real-time grid adjustments and high-resolution image filtering without server-side processing.

  3. Modern JavaScript (ES6+): For efficient, lightweight client-side logic that ensures the tool remains fast and privacy-focused (images are processed locally in the browser).

  4. Progressive Web App (PWA) Principles: Designed to be an 'instant-on' tool that requires no installation or account creation, providing a native-app-like experience in any browser.

What's the story behind your product?

ForthWrite's answer

Built out of frustration with AI writing tools that produce text that sounds nothing like the person sending it, and as a way to handle large amounts of daily email. The core insight was that your sent mail is the best training data you already have, and no tool was using it.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare ForthWrite and GridMakers.app

ForthWrite Reviews

  1. curtisboortz
    ยท Founder at ForthWrite ยท
    I built ForthWrite to fix generic AI email, and I still use it every day

    I built ForthWrite because I kept sending emails that sounded like they came from the same generic AI as everyone else. After launching it, I still use it for my own inbox every day, which is about the most honest endorsement I can give.

    The Chrome extension lives inside Gmail and Outlook on the web. Open a thread, hit Alt+Shift+D, and a draft comes back in your voice, not a template. The free tier is real: 10 drafts per week, no API key, no credit card. Voice matching is included on free, because that is the point.

    What keeps it useful compared to Gemini or a chat tab: it learns from what you actually send. Every edit you make before hitting send becomes a signal. Over time the drafts drift closer to how you really write, and the dashboard shows the improvement curve so you can see it happening.

    The web compose surface lets you draft from forthwrite.ai without installing anything, useful for people who want to try before committing to the extension.

    Standard adds recipient-aware and intent-aware drafting plus AI coaching. Pro adds auto-draft (replies waiting when you open Gmail), batch replies, and Prompt Lab for version-controlling your prompts. Teams adds a shared persona and seat-level analytics.

    ForthWrite is not for everyone. If you just need quick replies and tone does not matter, Gemini is free and already in your inbox. ForthWrite is for people where tone does matter: client communication, relationship-driven threads, external correspondence where sounding off costs something real.

    Disclosure: I am the founder and use it daily. Happy to answer questions in the comments.

    ๐Ÿ Competitors: Jace.ai, Fyxer, Mailmeteor
    ๐Ÿ‘ Pros:    Drafts land inside gmail and outlook; no copy-pasting from a chat window|Voice matching is on the free tier, not paywalled behind paid plans|No api key, no credit card to start; free tier runs on a server-side proxy|Learns from every edit you make before sending; drafts improve over time|Full keyboard flow: alt+shift+d to draft in any thread, no mouse required|Byok on paid plans, 9 providers supported, keys encrypted at rest|Web compose at forthwrite.ai works without installing the extension at all
    ๐Ÿ‘Ž Cons:    10 free drafts/week is enough to evaluate, not enough for a heavy inbox|Auto-draft, batch replies, and prompt lab all require the pro tier|Early-stage product; fewer third-party integrations than mature inbox tools|No mobile app: the extension and add-in are desktop-only (chrome on web, or the outlook desktop add-in)

GridMakers.app Reviews

We have no reviews of GridMakers.app yet.
Be the first one to post

What are some alternatives?

When comparing ForthWrite and GridMakers.app, you can also consider the following products

ReclaimAI - Helps users prioritize their work and personal calendars

OnlineGridMaker - Add a precise grid overlay to any image for drawing and sketching. Customize rows, columns, line color and thickness. 100% free, no signup, no upload.

Superhuman - Superhuman is an email management tool.

GridMaker.pro - Create accurate drawing grids with our free grid maker online. Customize lines, scale photos, and transfer images with better proportions. No signup required.

Shortwave - Email smarter & faster with a reinvented experience for your Gmail

GridMaker.org - Split any image into Instagram posts. Create stunning grid effects for your feed. Fast, free, and easy to use online tool.