If F5Bot works for you, keep it. It's free and simple, and by its own account it has been running since 2017. The F5Bot alternatives below are for when one bare email per keyword match stops being enough: you want matches ranked by fit, a team that can share them, sources beyond Reddit, or help writing the reply. Prices are as of 7 Nov 2026 and link to each vendor.
Disclosure: we sell a Reddit monitoring app and a done-for-you Reddit marketing agency. Both are labelled as ours.
F5Bot and its alternatives at a glance
| Option | What it is | Suits | Price, as of 7 Nov 2026 |
|---|---|---|---|
| F5Bot | Keyword alerts for Reddit, Hacker News and Lobsters | A free tripwire for one person | Free. Silver $12.99 and Gold $49.99 a month |
| Syften | Faster, filtered alerts across many communities | Someone who needs more sources and Slack | $29.95, $49.95 or $119.95 a month, 14-day trial |
| Redreach | Reddit posts that rank in Google, with reply drafts | Teams that post replies themselves | $19, $39 or $79 a month |
| Pulse for Reddit | Buying-intent scoring and a lead inbox | Teams that want a queue | $49 or $129 a month |
| Subreddit Signals | Monitoring of chosen subreddits, ranked by fit | Small teams, one to five brands | $29 or $59 a month, 14-day trial (card needed) |
| Ours: Reddit monitoring app | Ranks threads by fit, drafts a reply you post yourself or have us post | Founders who answer threads personally | See the app page |
What F5Bot does, and what it costs
F5Bot says it "monitors Reddit, Hacker News, and Lobsters for your keywords and sends you an alert when they show up." Its homepage claims 430,000+ alerts delivered daily. That number comes from the site itself, and we couldn't check it.
The plans, from f5bot.com on 7 Nov 2026:
- Free, $0: email keyword alerts from all three sources, with basic filtering flags.
- Silver, $12.99 a month: 20 keywords, advanced filtering flags, full post text, ad-free emails. The page says it's for individuals and non-commercial use.
- Gold, $49.99 a month: 200 keywords, RSS and JSON feeds, AI filtering, Slack and Discord. The page says it's for professionals and small businesses.
If you run F5Bot for a company, the plan you need is Gold, not Silver. Most people miss that when they look at F5Bot pricing.
Why people look for an F5Bot alternative
F5Bot matches words, so it can't tell a buyer from a passer-by. One user wrote: "I use F5Bot, primarily because it is free and super simple to use." The same comment adds that without context, not every post is useful (u/Pure_Bet_4465 in r/micro_saas, 13 April 2026). Another called it "the free one everyone mentions, sends email alerts for keywords but it's pretty basic" (u/Salty_Sleep_2244 in r/automation, 21 February 2026).
The common gaps:
- No ranking. Every match looks the same in your inbox.
- No shared view. Alerts land in one email address, so nobody can mark a thread as handled.
- No reply help. The alert stops at the link.
- Three sources. If your buyers also talk on X, Bluesky or GitHub, F5Bot won't see it.
Where F5Bot is strong
It's free and takes minutes to set up. For a founder who only wants to know when the brand name comes up, nothing beats that price. Silver and Gold let you grow without switching tools. If your whole job is "tell me when someone says our name," paying for anything else is a waste.
Which tool to move to
- More sources and Slack, still alerts-only: Syften. It aims for a one-minute delay on Reddit.
- Threads ranked by intent, with reply drafts: Redreach, Pulse or Subreddit Signals. Subreddit Signals says it does not auto-post replies. Pulse and Redreach draft replies for you to send, and Redreach also sells a bulk-DM extension.
- A daily email and no account: our free Reddit keyword alerts.
- A person to run it: see what a Reddit marketing agency does.
For what Reddit users say about each tool, see the Reddit marketing tools ledger.
Who should stay and who should switch
Stay on F5Bot if you track a handful of keywords, read every alert yourself and have no team.
Switch if you track more than a few terms for a company, if alerts sit unread, or if your real problem is knowing which thread deserves a reply. Gold handles volume and filtering, but it won't rank threads by product fit or draft anything.
Where our product fits
Subreddit Marketing's Reddit monitoring app picks up where F5Bot stops. It watches the subreddits and keywords you choose, shows why each thread matched with a fit score, and drafts a reply in your voice. You edit it and post from your own account. It never sends DMs for you. On the Done for you plan we can also post replies through our warmed-up accounts and add upvotes to your posts and comments.
It doesn't beat F5Bot on price, and it only covers Reddit. F5Bot also covers Hacker News and Lobsters, and we don't. Pick ours when ranking and drafting matter more to you than raw coverage. If you'd rather have the whole channel run for you, we also offer a Reddit marketing agency for B2B SaaS, fintech and DTC brands. We don't buy upvotes, farm karma or use bought accounts.