F5Bot vs ReplyMine
F5Bot is a free, no-frills email alerts service that pings you whenever your keywords appear on Reddit, Hacker News, and a few other sources. ReplyMine is a paid workflow tool — it ranks every match, drafts AI replies, and tracks competitors.
If you just want raw alerts and have time to sift through them, F5Bot is hard to beat at $0. If you want signal-to-noise and reply drafts in one place, ReplyMine is built for that.
Quick comparison
Free email alerts when your keywords are mentioned online
Free: Fully free
Paid: No paid plan
Reddit lead discovery + AI replies
Free: 5-day free trial, no card required
Paid: Plans start at $19/mo
Honest comparison
Where F5Bot wins
- Completely free, with no usage caps for personal use
- Covers Reddit, Hacker News, and Lobsters in one alert stream
- Dead-simple setup — add a keyword, get an email, done
- Run by a single developer with a long track record of uptime
Where ReplyMine wins
- AI ranks every matched post 1–10 so you skip low-intent mentions
- Drafts 3 reply variations per post — F5Bot only sends links
- Top Picks panel surfaces the 5 highest-intent threads daily
- Subreddit-level filtering and per-keyword thresholds
- Competitor activity tracking — see where rivals are commenting
- Dashboard with saved/dismissed/replied states (F5Bot is email-only)
Feature-by-feature comparison
| Feature | F5Bot | ReplyMine |
|---|---|---|
| Reddit keyword monitoring | Yes | Yes |
| Hacker News & other sources | Yes | No |
| Email alerts | Yes | No |
| AI relevance scoring (1–10) | No | Yes |
| AI-drafted reply variations | No | 3 per post |
| Top Picks (daily AI-curated) | No | Yes |
| Dashboard with post states | No | Yes |
| Competitor activity tracking | No | Yes |
| Subreddit-specific filtering | Limited | Yes |
| Free public Reddit tools | No | Yes |
F5Bot's features are based on their public site at the time of writing. Always verify the current state on f5bot.com.
Pricing
F5Bot Price
Free tier: Fully free
Paid: No paid plan
Donations accepted; built and maintained by one developer
ReplyMine Price
Free tier: 5-day free trial, no card required
Paid: Plans start at $19/mo
200 free credits to start; cancel anytime
When to choose each tool
Choose F5Bot if…
- Your budget is strictly $0 and you have time to sift alerts manually
- You need Hacker News and Lobsters coverage as well as Reddit
- You only want to know a mention happened — you'll write replies yourself
Choose ReplyMine if…
- You're getting too many F5Bot emails and need AI to rank the best ones
- You want a draft reply in front of you, not just a link
- You want to manage opportunities in a dashboard rather than your inbox
- Tracking competitor activity matters to your workflow
Frequently asked questions
Is ReplyMine a paid F5Bot alternative?+
Yes. F5Bot is a free email-alert service; ReplyMine is a paid workflow tool that ranks matches, drafts replies, and tracks them in a dashboard. They overlap on the keyword-monitoring layer but solve different problems.
Why pay for ReplyMine when F5Bot is free?+
If raw alerts work for you, F5Bot is great. ReplyMine pays off when the noise gets in the way — when most matches are low-intent, when you spend an hour a day triaging alerts, or when you want a draft reply ready to edit instead of a blank text box.
Does ReplyMine cover Hacker News like F5Bot?+
No. ReplyMine is Reddit-only — we removed Hacker News and other platforms in early 2026 to focus on doing Reddit well. If HN coverage is a must-have, stick with F5Bot or run both.
Can I use F5Bot and ReplyMine together?+
Yes. Some users keep F5Bot for HN alerts and use ReplyMine for the Reddit workflow with reply drafts and ranking. There's no conflict.
Try ReplyMine free for 5 days
No credit card required. Set up your subreddits and keywords in 2 minutes — see whether the AI ranking and Top Picks change how you work, then decide.