Software Alternatives, Accelerators & Startups

Affinity Designer VS ForthWrite

Compare Affinity Designer VS ForthWrite and see what are their differences

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Affinity Designer logo Affinity Designer

Professional creative software, exclusively for Mac.

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.
Visit Website
  • Affinity Designer Landing page
    Landing page //
    2023-10-21
  • 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.

ForthWrite

$ Details
freemium $12.0 / 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

Affinity Designer features and specs

  • Cost
    Affinity Designer is a one-time purchase, which is significantly cheaper in the long run compared to popular subscription-based alternatives like Adobe Illustrator.
  • Performance
    Affinity Designer is known for its smooth performance and stability, even when working with large files or complex designs.
  • Cross-platform compatibility
    The software is available on both macOS, Windows, and iPad, allowing for a seamless experience across different devices.
  • User Interface
    Affinity Designer features a modern, intuitive, and highly customizable user interface, making it easier for both new and experienced users to adapt.
  • Advanced Vector Tools
    Offers a wide range of vector editing tools, which are on par with industry standards, making it a powerful tool for professional designers.
  • Regular Updates
    Serif, the company behind Affinity Designer, frequently releases updates that add new features and improve performance.
  • Seamless Integration
    Affinity Designer offers seamless integration with other Affinity products such as Affinity Photo and Affinity Publisher, enhancing overall workflow.

Possible disadvantages of Affinity Designer

  • Learning Curve
    New users, especially those transitioning from Adobe products, might find the interface and tools slightly unfamiliar, leading to a learning curve.
  • Limited Third-party Plugin Support
    Affinity Designer has limited support for third-party plugins compared to Adobe Illustrator, which can restrict additional functionalities.
  • Community and Resources
    While growing, the community and available resources for Affinity Designer are not as extensive as those for more established software like Adobe Illustrator.
  • Lack of Cloud-based Features
    Affinity Designer does not offer built-in cloud storage or cloud-based collaboration features, unlike some other industry-leading design software.
  • Interoperability with Adobe Files
    Although it offers some compatibility, Affinity Designer may struggle with fully maintaining formatting and layers when importing/exporting Adobe Illustrator (AI) files.

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

Affinity Designer videos

Illustrator vs Affinity Designer - Review and Comparison

More videos:

  • Review - Affinity Designer Review
  • Review - A DESIGNERS Review : Affinity Designer on iPad Pro 2018

ForthWrite videos

No ForthWrite videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Affinity Designer and ForthWrite)
Graphic Design Software
100 100%
0% 0
Writing Tools
0 0%
100% 100
Image Editing
100 100%
0% 0
Email
0 0%
100% 100

Questions & Answers

As answered by people managing Affinity Designer and ForthWrite.

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

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.

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.

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.

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 Affinity Designer and ForthWrite

Affinity Designer Reviews

Figma Alternatives: 12 Prototyping and Design Tools in 2024
Affinity Designer has recently released version 2 of the app for professional photo editing, illustrations, and graphic designs. Itโ€™s used by millions of designers worldwide for prototyping, mind mapping, and other visual content.
5 Figma Alternatives for UI & UX Designers
And last but not least, the area in which Affinity Designer excels is its licensing system. You only pay for the software once ($60 + a free trial) and can use it on your Windows or macOS devices.
Source: stackdiary.com
10 Best Adobe Illustrator Alternatives
if you are looking for an editing tool that can switch between vector, export, and pixel modes, Affinity Designer is a perfect choice.
The best digital art software for creatives in 2020
Not only that, last year's upgrade (here's our Affinity Designer review) saw Affinity add support for the Apple Pro Display XDR monitor, and tweak the program to run faster than ever on new Macs. While this is a dedicated vector tool, you can switch to a pixel environment if you wish. A new version (Affinity Designer 1.9) is currently in Beta so watch this space for a new...
The best software for digital artists
Affinity Designer has everything you need to create custom designs and illustrations. With Affinity Designer, you have precise control over curves, brush stabilisation options, advanced blend modes, and best of all: one million+ per cent zoom. No, reallyโ€ฆ itโ€™s true! In fact, this might just be our favourite feature.

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)

Social recommendations and mentions

Based on our record, Affinity Designer seems to be more popular. It has been mentiond 47 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Affinity Designer mentions (47)

View more

ForthWrite mentions (0)

We have not tracked any mentions of ForthWrite yet. Tracking of ForthWrite recommendations started around Jun 2026.

What are some alternatives?

When comparing Affinity Designer and ForthWrite, you can also consider the following products

Sketch - Professional digital design for Mac.

Superhuman - Superhuman is an email management tool.

Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.

Gemini - Gemini, formerly known as Bard, is a generative artificial intelligence chatbot developed by Google. Based on the large language model (LLM) of the same name, it was launched in 2023 in response to the rise of OpenAI's ChatGPT.

Adobe Illustrator - Adobe Illustrator is a vector graphics editor.

Lavender - Realtime coaching for sales emails.