Software Alternatives, Accelerators & Startups

Lingvanex VS ForthWrite

Compare Lingvanex VS ForthWrite and see what are their differences

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Lingvanex logo Lingvanex

Translation apps for business, travels, professional translators, students and free style people.

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
  • Lingvanex Landing page
    Landing page //
    2023-08-28
  • 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.

Lingvanex

Pricing URL
-
$ Details
Platforms
-
Release Date
-

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

Lingvanex features and specs

  • Wide Language Support
    Lingvanex supports a vast range of languages, allowing users to translate between many different languages with ease.
  • Multi-Platform Availability
    The service is available on multiple platforms, including web, mobile apps, and desktop applications, providing flexibility for users across different devices.
  • Offline Translation
    Lingvanex offers offline translation capabilities, which is particularly useful in situations where internet connectivity is limited or unavailable.
  • Real-time Translation
    The platform supports real-time translation, which can be particularly beneficial for live conversations and instant messaging.
  • APIs and SDKs
    Lingvanex provides APIs and SDKs for developers, making it easy to integrate translation services into other applications and systems.
  • User-Friendly Interface
    The interface is designed to be intuitive and easy to use, which enhances the overall user experience.

Possible disadvantages of Lingvanex

  • Subscription Costs
    Lingvanex may require subscription fees for full access to its range of features, which could be a drawback for budget-conscious users.
  • Accuracy Variability
    While the translations are generally good, the accuracy can vary depending on the complexity of the text and the languages involved.
  • Privacy Concerns
    As with any online translation service, there are potential privacy issues related to data being transmitted over the internet for translation.
  • Resource Intensive
    The offline translation feature can be resource-intensive, requiring significant storage space and processing power on the device.
  • Learning Curve for Advanced Features
    While the basic interface is user-friendly, there can be a learning curve for users trying to take advantage of more advanced features and functionalities.
  • Limited Free Version
    The free version of Lingvanex comes with limitations that may restrict its usability for users who need more from the service.

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

Analysis of Lingvanex

Overall verdict

  • Lingvanex is a solid choice for language translation needs. It is generally well-received for its robust features and the range of languages it supports. However, as with any translation service, it may not always perfectly capture complex or context-specific nuances.

Why this product is good

  • Lingvanex is known for its comprehensive language translation services, supporting multiple languages and offering features such as offline translation, voice translation, and integration with various platforms. Users appreciate its accuracy and the user-friendly nature of its applications.

Recommended for

  • Travelers seeking offline translation capabilities
  • Businesses needing multi-language support
  • Individuals looking for voice translation features
  • Developers who want integration with other applications

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

Lingvanex videos

Lingvanex Translator for Web Browsers | Translate Web Page

ForthWrite videos

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

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Category Popularity

0-100% (relative to Lingvanex and ForthWrite)
Languages
100 100%
0% 0
Email
0 0%
100% 100
Translation Service
100 100%
0% 0
Email Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing Lingvanex 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 Lingvanex and ForthWrite

Lingvanex Reviews

We have no reviews of Lingvanex yet.
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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, Lingvanex seems to be more popular. It has been mentiond 5 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.

Lingvanex mentions (5)

  • Cloud Solutions vs. On-Premise Speech Recognition Systems
    Use of Open-Source Solutions and Customizable Models. On-premise systems, such as Lingvanex and Kaldi, provide tools to develop speech recognition models from scratch or based on open-source libraries. Unlike cloud services, where developers are limited to pre-built models, on-premise solutions allow you to create a system that fully matches the specifics of the task. For example, models can be trained on specific... - Source: dev.to / over 1 year ago
  • How to Create Inclusive Multilingual Apps
    *Automating Translation with Machine Translation Systems * Integrating machine translation can significantly speed up the localization process. Tools like Lingvanex, Google Translate, or DeepL offer APIs that enable instant translation. However, itโ€™s not enough to simply โ€œturn onโ€ machine translationโ€”you need to integrate it thoughtfully for maximum impact. - Source: dev.to / over 1 year ago
  • Recommended extension or Linux compatible app to translate webpages with some respect to privacy?
    That being said some services that translate and respect privacy are out there. The one I know of off the top of my head is the one integrated into Vivaldi, Lingvanex. Source: over 3 years ago
  • Appreciation post
    We are partnered with lingvanex, all translation requests have IP/identifying information removed and such text is not retained after the request completes. Source: almost 4 years ago
  • uBlock Origin Minus: an experimental Manifest v3 compatible extension - gHacks Tech News
    I loved when Vivaldi opted for translation services of Lingvanex "https://lingvanex.com/" and not of google but then you see they have DNS of google, chain of google enabled for login, phones back to google, dependant on google addon store, uses grid tabs and tab groups and the new share plate where only google apps show not the ones you use mostly to share things made by google for chrome, not for Vivaldi and... Source: almost 4 years ago

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 Lingvanex and ForthWrite, you can also consider the following products

Google Translate - Google's free service instantly translates words, phrases, and web pages between English and over 100 other languages.

ReclaimAI - Helps users prioritize their work and personal calendars

Mate Translate - Ultimate translation app for Mac, iOS, Chrome and many more

Superhuman - Superhuman is an email management tool.

Ludwig.guru - Linguistic search engine and contextualized translator. The final solution for your writing doubts!

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