Software Alternatives, Accelerators & Startups

Sunnyside VS ForthWrite

Compare Sunnyside VS ForthWrite and see what are their differences

Sunnyside logo Sunnyside

Sunnyside helps anyone who regularly drinks alcohol to build mindfulness and intentionality around when and how much they drink.

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
  • Sunnyside Landing page
    Landing page //
    2023-10-04
  • 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.

Sunnyside

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

Sunnyside features and specs

  • Mindful Drinking Support
    Sunnyside offers tools and resources to help individuals practice mindful drinking, encouraging moderation and self-awareness in alcohol consumption.
  • Personalized Plan
    The service provides a personalized plan tailored to the individual's drinking habits and goals, making it easier to manage alcohol intake effectively.
  • User-Friendly Interface
    Sunnyside's platform is designed with a user-friendly interface that is easy to navigate, making it accessible for individuals of varying tech ability.
  • Tracking and Accountability
    The platform includes features for tracking drinking habits and holding users accountable, which can be instrumental in forming healthier habits.
  • Community and Support
    Sunnyside offers community support, which allows users to connect with others on similar journeys, providing encouragement and shared experiences.
  • Comprehensive Tracking
    Sunnyside provides detailed tracking of alcohol consumption, helping users understand their drinking habits and make informed decisions.
  • Personalized Goals
    Users can set personalized goals to reduce alcohol intake according to their preferences and health objectives, promoting gradual habit formation.
  • Behavioral Science-based
    The platform uses behavioral science principles to encourage users to change their drinking habits, which can lead to more effective outcomes.
  • Community Support
    Sunnyside offers a supportive community and expert advice, enhancing motivation and providing encouragement for users seeking to cut down on drinking.
  • Holistic Health Focus
    Besides reducing alcohol consumption, Sunnyside also emphasizes overall well-being, such as improving sleep and increasing energy levels.

Possible disadvantages of Sunnyside

  • Subscription Cost
    Sunnyside is a subscription-based service, which may not be affordable for everyone looking to manage their drinking habits.
  • Limited External Resources
    While Sunnyside provides various tools, users looking for extensive educational resources or professional support might find the platform's offerings limited.
  • Dependence on Self-Reporting
    The effectiveness of the program relies heavily on the user's honesty and consistency in self-reporting their alcohol consumption.
  • Internet Access Required
    Since the platform is web-based, users need a reliable internet connection to access all features, which could be a barrier for some individuals.
  • Not Suitable for Severe Cases
    Sunnyside might not be the best option for those with severe alcohol dependency, who might require more intensive treatment and support.
  • Requires Self-discipline
    Since the service relies on self-reporting and personal commitment, individuals lacking motivation may struggle to see significant results.
  • Limited to Alcohol Management
    Sunnyside specifically focuses on managing drinking habits, which might not appeal to individuals seeking broader health and fitness solutions.
  • Potential Privacy Concerns
    Users may have concerns about the privacy of their data, as the platform collects and analyzes personal information regarding alcohol consumption.
  • Dependence on Technology
    The platform requires internet access and familiarity with using an app, which might be a barrier for some people.

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 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

Sunnyside videos

Honest Thoughts on Sunnyside, Chill Town & More Upcoming Farming Games!

More videos:

  • Review - SUNNYSIDE APP REVIEW
  • Review - Sunnyside: Live Rosin + Flower Review (Pancakez, GMO, Strawpicanna Cookies, Dirty Lemons)

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 Sunnyside and ForthWrite)
Health And Fitness
100 100%
0% 0
Email
0 0%
100% 100
Productivity
100 100%
0% 0
Email Productivity
0 0%
100% 100

Questions & Answers

As answered by people managing Sunnyside 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 Sunnyside and ForthWrite

Sunnyside Reviews

We have no reviews of Sunnyside 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, Sunnyside seems to be more popular. It has been mentiond 4 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.

Sunnyside mentions (4)

  • I just want to get though one day without a beer.
    I use the HAMS method. I reduced from 14-18 units a day to 7. Then I tappered down to 6 for a couple of weeks then 5 for a couple of weeks and so and so forth until I could go one day being AF. It works. Try it. I use sunnyside.co to keep myself accountable. It is worth the money. Source: about 3 years ago
  • Mindful alcohol consumption Periodic table of calories
    I have been tracking for a few weeks now and definitely having less hangovers and even lost weight while still being able to enjoy alcohol which is a nice bonus especially with summer and beach bod season :P https://www.sunnyside.co/blog/alcohol-calories from Sunnyside.co. Source: about 4 years ago
  • I've tracked my alcohol consumption daily for 850 days - it's been a keystone habit for my weight loss journey
    Since there weren't great tools out there for tracking drinks without a bunch of pressure to reduce to zero, I built a tool called Sunnyside (https://sunnyside.co) to help me keep tabs on when and how much I was consuming. The tool focuses on contextualizing changes to drinking habits in overall picture of health, with a specific focus on calories, sleep, and money saved. Source: about 4 years ago
  • Dry June anyone??
    I;ve been using sunnyside.co to help, but I like the idea of dry june! Source: about 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 Sunnyside and ForthWrite, you can also consider the following products

Less - Less extends CSS with dynamic behavior such as variables, mixins, operations and functions. Less runs on both the server-side (with Node. js and Rhino) or client-side (modern browsers only).

ReclaimAI - Helps users prioritize their work and personal calendars

DrinkControl - iPhone app for tracking and moderating alcohol use

Superhuman - Superhuman is an email management tool.

I Am Sober - I Am Sober is an app which comes with the different module, and it is one of the most celebrity application used in America.

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