Software Alternatives, Accelerators & Startups

F-Droid VS ForthWrite

Compare F-Droid VS ForthWrite and see what are their differences

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F-Droid logo F-Droid

F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.

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
  • F-Droid Landing page
    Landing page //
    2023-09-13
  • 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.

F-Droid

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

F-Droid features and specs

  • Open Source Philosophy
    F-Droid focuses exclusively on free and open-source software, promoting transparency, community collaboration, and user control over their applications.
  • No Tracking or Ads
    F-Droid does not include any forms of user tracking or advertisements in the apps it offers, ensuring user privacy and a cleaner experience.
  • Security and Privacy
    The repository is curated with a strong emphasis on security and privacy, often including apps that respect user data and have minimal permissions.
  • Offline Usage
    F-Droid's repository can be browsed, and apps can be installed and updated without a continuous internet connection, making it more flexible for offline use.
  • Custom Repositories
    Users can add multiple repositories, allowing greater access to a variety of apps and increased customization of the app selection.
  • No Registration Required
    No account or registration is needed to use F-Droid, making installation quick and straightforward without personal information risk.

Possible disadvantages of F-Droid

  • Limited App Selection
    Compared to other marketplaces like the Google Play Store, F-Droid has a more limited selection of apps, potentially lacking some mainstream or proprietary applications.
  • Update Delays
    Due to the curating process and less frequent updates, some apps on F-Droid may receive updates later than their counterparts on other platforms.
  • User Interface
    The user interface of F-Droid can be less polished and user-friendly compared to mainstream app stores, which might not appeal to all users.
  • Dependency on Third-Party Repositories
    While custom repositories are a pro, they can also introduce risks if the added repositories are not well-maintained or secure.
  • Installation Process
    Installation processes for some apps might require additional steps like enabling unknown sources or managing permissions, which can be challenging for less tech-savvy users.

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 F-Droid

Overall verdict

  • F-Droid is generally considered a good alternative app store for Android.

Why this product is good

  • F-Droid is a reputable platform known for hosting open-source apps that are both free and privacy-focused. It's an excellent resource for users who prioritize transparency and wish to avoid proprietary software. The app store also provides a straightforward and secure method of discovering and installing open-source applications, offering a curated selection that emphasizes user freedom and privacy rights. Additionally, F-Droid does not contain any advertising or tracking, further enhancing its appeal to privacy-conscious users.

Recommended for

  • Users who prioritize privacy and security.
  • Those who prefer open-source software.
  • Android users looking for an alternative to the Google Play Store.
  • Developers and enthusiasts interested in freely accessible code.
  • Individuals seeking ad-free and tracker-free app experiences.

F-Droid videos

F-Droid recap review, de-Googling my phone

More videos:

  • Tutorial - F-Droid | A free software app store you must have | Tutorial
  • Review - F-Droid for Android

ForthWrite videos

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

Add video

Category Popularity

0-100% (relative to F-Droid and ForthWrite)
App Store
100 100%
0% 0
Writing Tools
0 0%
100% 100
Mobile Apps
100 100%
0% 0
Email
0 0%
100% 100

Questions & Answers

As answered by people managing F-Droid 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

Share your experience with using F-Droid and ForthWrite. For example, how are they different and which one is better?
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Reviews

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

F-Droid Reviews

10 Best Google Play Store Alternatives for Android Apps
F-Droid is an app store that specializes in free and open-source software (FOSS). All apps on F-Droid are free and open-source, meaning they can be freely distributed and modified. The app store has a selection of over 3,000 apps, including popular FOSS apps like Signal, Firefox, and OpenStreetMap.
Source: geeksramp.com
Best Android APK Download Sites 2022: APK Mirror, APK Pure, Aptoide, and More
On an F-Droid app, you wonโ€™t find all the games and games that you usually get on the Google Play Store, instead, youโ€™ll find a lot of open source apps, which are mostly not available on Google Play. The app has a pretty sleep UI. In case you feel like donating some money to the F-Droid, the donations will be used for the maintenance of the app like servers, admin work, and...
Source: droid.news
9 best safe sites to download Android APKs
F-Droid is a marketplace that contains more than thousands of free open-source apps. Available on both the web and as an application, F-Droid is a one-stop hub for users who love to install and tinker with open-source apps on their Android phones. Furthermore, those whoโ€™re into programming can also create their own repository on the website.
22 Best Google Play Store Alternatives 2023
Interestingly, volunteers run F-Droid, and they rely on donations. Android developers like F-Droid because they can access the codes of various apps and use the data to create their own.
6 Google Play Store Alternatives to List Your Android Apps
F-Droid is a free and open-source app marketplace where you can host free applications with paid updates/features.
Source: geekflare.com

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, F-Droid seems to be more popular. It has been mentiond 389 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.

F-Droid mentions (389)

  • Google Is Closing Android โ€” Here's What You Need to Know
    Install F-Droid โ€” the more people using it, the harder it is to shut out. - Source: dev.to / 4 months ago
  • Briar can keep Iran connected when the internet goes dark
    It's important for mobile apps to be available outside of Google and Apple's app store, so kudos to briar for being on F-Droid as well: https://f-droid.org/ . In fact, (smartphone) software distribution over ad-hoc networks is itself of some importance. - Source: Hacker News / 6 months ago
  • Why is the Gmail app 700 MB?
    Instead of Gboard, get Anysoft keyboard from https://f-droid.org, enable Gestures in the settings. You'll thank me later. - Source: Hacker News / 6 months ago
  • Devs say Apple still flouting EU's Digital Markets Act six months on
    All the while Android users (or at least those on the Samsung Galaxy sub-ecosystem) are happily downloading free, as in open source, software from alternative sources like F-Droid (https://f-droid.org/), Obtainium (https://obtainium.imranr.dev/), Accrescent (https://accrescent.app/), and even can access the main app store through a more privacy friendly way through Aurora (https://auroraoss.com/) - although with... - Source: Hacker News / 7 months ago
  • Show HN: J2ME
    You can run it under Android, there's a J2ME emulator at https://f-droid.org. Being both platforms Java-like makes emulation much easier as you will find thousand of competent enough people and OFC it woudn't surprise me if Google made tons of similar functions to J2ME ones at Android in order to ease the transition from former developers. - Source: Hacker News / 8 months ago
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 F-Droid and ForthWrite, you can also consider the following products

Aptoide - Aptoide is a third party replacement for the traditional Google Play Store.

Superhuman - Superhuman is an email management tool.

Aurora Store - Aurora is a FOSS Play Store client that does not require a Google Account to download directly from Play Store. However you can login with your Google Account to download your already paid apps!

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.

Amazon Appstore - The Amazon Appstore is a place to purchase and download apps for your Android device.

Lavender - Realtime coaching for sales emails.