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Fastry - Social Media Assistant

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Overview

Fastry helps you write natural replies and posts for X, Reddit, LinkedIn, and YouTube in seconds.

Fastry is a smart social media assistant that helps you write natural, context-aware replies and posts directly on the platforms you use every day. Instead of switching between tabs or copying prompts, Fastry works right inside X (Twitter), Reddit, LinkedIn, and YouTube - understanding the full context of posts, threads, replies, and videos. 🚀 What Fastry can do Generate replies and posts in one click Understand the full context of posts, threads, and existing replies Capture video context on YouTube automatically Adjust tone, intent, and reply length (short, medium, long) Enable or disable emojis anytime Optional translation preview while writing 🎯 Built for real conversations Fastry is designed to sound natural and human. You stay in control of your voice, style, and goals - Fastry just helps you respond faster and more consistently. ⚙️ Advanced customization (optional) Define your persona and writing rules Choose preferred phrases and phrases to avoid Set default tone, length, and emoji preferences Enable or disable translation support Find relevant conversations by keywords and timing Generate social cards Add and reference your own products naturally 🌍 Works across platforms X (Twitter) Reddit LinkedIn YouTube 🔒 Privacy-first Fastry only works when you actively use it. No automatic posting. No hidden actions. ✅ Who is Fastry for? Founders and indie hackers Content creators Developers and marketers Anyone who replies a lot on social media Start for free and upgrade when you need more.

Details

  • Version
    2.1
  • Updated
    February 18, 2026
  • Size
    203KiB
  • Languages
    English
  • Developer
    Alexei Kurshalow
    Wiener Str. 50a Dresden 01219 DE
    Website
    Email
    kurshalow@gmail.com
    Phone
    +49 163 7125946
  • Trader
    This developer has identified itself as a trader per the definition from the European Union and committed to only offer products or services that comply with EU laws.

Privacy

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Fastry - Social Media Assistant has disclosed the following information regarding the collection and usage of your data. More detailed information can be found in the developer's privacy policy.

Fastry - Social Media Assistant handles the following:

Authentication information
Website content

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site

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