Smart Radar scores tweets. Summarize, Sentiment, 25-tone replies (Master Feed) or instant AI reply (Rapid Feed). Free with Groq.
Users
8
+1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#208K
#174K among extensions
Version
1.0.4
updated 28 May 2026
Users
monthly, 8 months
Latest, 15 Oct 2026:8 usersMove the mouse over the chart for any month
Ratings count
monthly, 8 months
Latest, 15 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About FenneX – Free AI Reply Copilot for X/Twitter
FenneX – Free AI Reply Copilot for X/Twitter
FenneX is a free AI Chrome extension for X and Twitter.
50 free actions per button per day — no credit card, no subscription, ever.
Stop wasting hours scrolling. Let Smart Radar find the conversations
that matter, and reply with intelligence and impact.
Smart Radar scores every tweet 0-100 in real time. Generate AI
replies in seconds with 25+ tones — powered by Groq, OpenAI,
or Claude.
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📊 REAL RESULTS FROM FENNEX USERS
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One user. 5 days. This happened:
→ +624% impressions
→ +867% engagements
→ +7,400% audience growth (2 → 150 followers)
This is what happens when you reply to the right conversations,
at the right time, with the right words.
*Individual results may vary.
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🔥 WHY FENNEX?
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🎯 SMART RADAR
Automatically scans your X feed and scores every tweet 0-100
in real time. Score >80 = high engagement opportunity.
No more endless scrolling. FenneX tells you exactly
where to focus.
⚡ RAPID FEED — Reply in Seconds
The fastest workflow for daily engagement at scale.
1. Smart Radar detects high-value tweets automatically
2. Generates a contextual, optimized reply instantly
→ analyzes intent, sentiment, emotion, complexity and themes
3. One-click post directly to X — zero copy-pasting
🎯 MASTER FEED — Reply with Depth
Step 1 — SUMMARIZE
Extract the key points of any tweet or thread in seconds.
Understand complex discussions instantly before engaging.
Step 2 — SENTIMENT
Analyze the global sentiment of the conversation.
Know the room before you speak.
Step 3 — GENERATE REPLY
Choose from 25+ contextual tones:
Professional • Humorous • Provocative • Empathetic • Analytical
Supportive • Curious • Concise • Sarcastic • Inspirational
Critical • Questioning • Appreciative • Diplomatic • Enthusiastic
Skeptical • Educational • Controversial • Witty • Humble
Bold • Playful • Respectful • Urgent • Strategic
Or activate auto-blend — FenneX combines multiple tones
automatically based on the tweet's context.
🚀 ONE-CLICK POST
Reply directly on X without copy-pasting.
Maximum speed, zero friction.
🔒 100% PRIVATE
Your API keys, tweets and replies never leave your browser.
Zero server upload. Zero tracking. Zero data collection.
No account required.
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🤖 8 AI MODELS — You Choose, You Control
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GROQ (free API key — no credit card required):
- Llama 4 Scout 17B — recommended, fastest, best multilingual
- Llama 3.3 70B — powerful, versatile
- Llama 3.1 8B — ultra-fast, lightweight
- Qwen 3 32B — best for Asian languages
- GPT OSS 20B — ultra-fast, 1000 tokens/second
- GPT OSS 120B — maximum quality
- DeepSeek R1 — advanced reasoning
OPENAI (paid API key):
- GPT-4o
- GPT-4o-mini
Get your free Groq API key in 60 seconds at console.groq.com
No credit card. No subscription.
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🎯 IDEAL FOR
──────────────────────────────────────
- Solopreneurs and indie founders building their X audience
- Business professionals and entrepreneurs
- Content creators and community managers
- Thought leaders and domain experts
- Growth marketers scaling engagement
- Users engaging in English, 日本語, العربية, Français,
한국어, Türkçe, Português, or Bahasa Indonesia
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💰 PRICING — No subscription trap
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FREE — Start immediately
• 50 actions per button per day
• Smart Radar (5 scans/day)
• All 25+ tones
• All 8 AI models
• No credit card, no account, no trial expiration
PRO — $19/month or $150/year
• Everything unlimited
• Smart Radar continuous
• Full Master Feed unlimited
• 24h priority support
LIFETIME — $249 one-time
• All Pro benefits forever
• Lifetime updates
• VIP support
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🚀 GET STARTED IN 60 SECONDS
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1. Install FenneX — free, one click
2. Get your free Groq key at console.groq.com (60 seconds,
no credit card ever)
3. Choose your AI model
4. Go to X.com — click FenneX, let Smart Radar scan your feed,
pick your workflow and start engaging
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❓ FAQ
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Is FenneX really free?
Yes. 50 free actions per button per day.
No credit card. Works with a free Groq API key.
Is there a free alternative to paid X tools?
Yes. FenneX replaces expensive subscriptions like TweetHunter,
Hypefury, or Typefully ($29-49/month). Use your free Groq API key
and pay zero monthly markup.
Which AI model should I use?
Llama 4 Scout 17B via Groq — fast, multilingual, completely free.
Does FenneX work in other languages?
Yes. Qwen 3 32B and Llama 4 Scout support Japanese, Korean,
Arabic, Portuguese, Turkish, Indonesian and more.
Does FenneX comply with X terms of service?
Yes. You review and approve every reply before posting.
No automation. 100% compliant.
Is my data safe?
Everything runs in your browser. Zero tracking, zero server upload.
Can I upgrade later?
Yes. The free plan has no expiration. Upgrade to Pro ($19/month)
or Lifetime ($249 one-time) whenever you need more.
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FenneX is an all-in-one AI reply tool for X and Twitter.
Built as your Twitter AI assistant and X engagement tool,
it works as a free AI Chrome extension for X that combines
a smart tweet analyzer with an instant tweet reply generator.
Whether you need an AI copilot for Twitter, an X reply AI,
or a free Twitter growth tool, FenneX scales your organic
engagement as your daily twitter copilot, X.com AI tool,
and AI tweet assistant — the best Chrome extension
for Twitter in 2026.
fennex.cc