Octolens is one of the better tools in this category: AI relevance filtering, a long list of developer-friendly sources, and Slack, email, API, webhooks and an MCP server on every plan.
The reasons to look are about fit, not quality. Pricing starts at $159 a month billed annually for 10 keywords, real-time refresh needs the $499 plan, and it works as a notifier: alerts land in Slack, the work happens in its app. Here are eight alternatives, with published prices.
Eko is on this list. Eko is a social listening tool, so yes, we are ranking ourselves: the scoring rubric is published below, and Octolens keeps its place on merit.
Prices and facts last checked
Quick comparison
Octolens alternatives compared on 2026-10-01
Tool
Best for
Slack
Discord
Entry price
Eko
Teams who work in chat and want to act on a mention without leaving it
Reads and acts inside it
Reads and acts inside it
$49/month for 10,000 credits
Octolens
Developer-tool brands that want mentions piped into their own systems
Alerts in, one way
Not published
$159/month, billed annually
Syften
Founders who want cheap, fast keyword alerts and will filter them themselves
Alerts in, one way
Not published
$29.95/month (Slack from the $49.95 Standard plan)
F5Bot
Watching a few keywords on Reddit and Hacker News at no cost
Precise boolean monitoring with historical reporting in one place
Alerts in, one way
Not published
€29/month billed annually (€49 billed monthly)
Brand24
Reporting-heavy monitoring where someone presents the numbers upward
Alerts in, one way
Not published
$199/month billed annually ($249 billed monthly)
Mentionlytics
Teams monitoring several languages who want sentiment broken down per market
Alerts in, one way
Not published
$49/month billed yearly (listed at $69)
Common Room
Funded GTM teams that need community signal wired into CRM and outbound
Reads and acts inside it
Reads and acts inside it
$2,500/month, billed annually
Prices change without notice. Every row names the vendor page and the date it was read: check before you decide.
What Octolens does well
Relevance filtering on every mention: the AI scores what comes in, so the feed is quieter than a raw keyword tool's.
Sources chosen for B2B and developer brands: Reddit, Hacker News, GitHub, Stack Overflow, DEV, X, LinkedIn, Bluesky, YouTube, TikTok, podcasts, newsletters, news, the web and reviews on Trustpilot, the App Store and Google Play.
Programmatic access on every plan. API, webhooks and an MCP server mean you can pipe mentions into your own systems or an AI agent instead of reading them in a dashboard.
Where teams hit a wall
The entry price. $159 a month billed annually buys 10 keywords and 15,000 mentions with hourly refresh; real-time and 40 keywords cost $499. Extra keywords start at $5 a month and mentions beyond the quota are billed per mention.
Slack is a destination. Alerts arrive in a channel; replying, assigning and deciding still happen in Octolens or wherever you take the link. Nothing drafts the reply for you in the channel.
No Discord, neither as a source nor as a published destination. For communities that live in servers, that is a blind spot.
How we scored these
Where the work actually happens
Almost every tool here can push an alert into Slack. The question is what you do next. If reading the alert sends you to a web app to act, the tool is a notifier and your team still context-switches.
Is Discord a source or a destination?
Most tools that mention Discord mean they can post to it. Reading what is said inside a server is a different capability. Of every vendor checked here, exactly two publish it: Eko and Common Room.
Does it judge, or only match?
A keyword matcher returns everything containing your word, homonyms included. A tool that judges relevance returns fewer things and is wrong sometimes. Which you want depends on whether you have time to sort.
Does it draft the reply?
Finding the mention is half the job. Tools differ on whether they leave you staring at a blank box afterwards.
Breadth of sources
Eko loses this one. The enterprise platforms cover print, broadcast and image recognition, and Brand24 publishes the longest source list of the mid-market tools. If breadth is the requirement, buy breadth.
Historical data and reporting
Eko loses this one too. She is built to catch what is happening now, not to let an analyst slice three years of archive. If you need to present trends to a board, a dashboard tool is the right purchase.
Time to first useful result
Boolean query builders are powerful and they are also why plenty of monitoring seats go unused. Measured from signing up to a result somebody reads.
Is the price on the website?
Four of the tools here do not publish one. That is a real cost: it means a sales call before you can compare, and it is why several rows in these tables say 'not published' rather than a number someone guessed.
The 8 best Octolens alternatives
1. Eko
The channel-native alternative: she judges relevance like Octolens, then does the next step in Slack or Discord, with context and a drafted reply your team edits and sends. She also reads your Discord server. $49 a month for 10,000 credits after a 30-day free trial with 2,500 credits and no card. Stay with Octolens if you need its API and MCP pipelines, or sources like GitHub and Stack Overflow.
Runs in:
Slack, Discord and Teams
Entry price:
$49/month for 10,000 credits
Free tier:
30-day trial with 2,500 credits, no card
Best for:
Teams who work in chat and want to act on a mention without leaving it
Kept second, because if your team builds on mentions programmatically, nothing else at this level offers API, webhooks and MCP on every plan. The reason to leave is price or workflow, not quality.
Runs in:
A web app, with Slack, webhook and API delivery
Entry price:
$159/month, billed annually
Free tier:
7-day trial on the Pro plan. No free plan.
Best for:
Developer-tool brands that want mentions piped into their own systems
Better than Eko at:
Programmatic access. MCP, API, webhooks and a CLI mean you can build your own workflow on top instead of using ours.
The budget pick for the same developer communities: raw keyword matching across Reddit, Hacker News, GitHub, Stack Exchange, Dev.to, forums and more, from $29.95 a month, Slack from $49.95, webhooks and MCP at $119.95. No AI filtering, so you do the sorting.
Runs in:
Alerts by email, RSS, API or webhook, and into Slack from the $49.95 plan
Entry price:
$29.95/month (Slack from the $49.95 Standard plan)
Free tier:
14-day trial on the PRO plan, no credit card. No free plan.
Best for:
Founders who want cheap, fast keyword alerts and will filter them themselves
Better than Eko at:
Price, speed and rawness. It also monitors Slack communities and Discourse forums as sources, which Eko does not. If you want every match with no judgement in the way, it is the cleaner tool.
Free for Reddit, Hacker News and Lobsters, $49.99 for 200 keywords with AI filtering and Slack and Discord delivery. If Octolens' breadth is more than you use, this covers the core for a fraction of the price.
Runs in:
Email, with Slack and Discord webhooks on the top plan
€29 a month billed annually for boolean queries across the wider web with an exportable archive. A dashboard tool with one-way Slack notifications, chosen for control and history rather than for developer sources.
Runs in:
A web dashboard you log into
Entry price:
€29/month billed annually (€49 billed monthly)
Free tier:
7-day trial, no credit card. No free plan.
Best for:
Precise boolean monitoring with historical reporting in one place
Better than Eko at:
Boolean query control and a historical archive you can slice and export. If you want to write the query yourself, Awario lets you and Eko does not.
Broader marketing coverage, sentiment and presentable reports at $199 a month billed annually. Pick it over Octolens if the job is reporting for a marketing team rather than watching developer communities.
Runs in:
A web platform you log into
Entry price:
$199/month billed annually ($249 billed monthly)
Free tier:
14-day trial, no credit card. No free plan.
Best for:
Reporting-heavy monitoring where someone presents the numbers upward
Better than Eko at:
Presentation-grade reports and the broadest published source list of the mainstream tools, including Twitch, podcasts and app stores.
8. Common Room(Zoom announced an agreement to acquire it on 2 July 2026)
The heavy option for go-to-market teams: it reads Reddit, Slack and Discord communities as sources and pushes signals into a CRM. $2,500 a month billed annually, and Zoom announced an agreement to acquire it in July 2026.
Runs in:
A web dashboard, with deep Slack and CRM integration
Entry price:
$2,500/month, billed annually
Free tier:
none
Best for:
Funded GTM teams that need community signal wired into CRM and outbound
Better than Eko at:
Everything after the signal: contact enrichment, CRM sync and outbound workflows. It is the only other tool here that genuinely reads Slack and Discord rather than just posting into them.
Computed from the same verified prices as the table above, not a hand-kept list. A tool that does not publish a price cannot appear here, because there is no way to know.
Eko — $49/month for 10,000 credits · 30-day trial with 2,500 credits, no card
Awario — €29/month billed annually (€49 billed monthly) · 7-day trial, no credit card. No free plan.
Syften — $29.95/month (Slack from the $49.95 Standard plan) · 14-day trial on the PRO plan, no credit card. No free plan.
F5Bot — Free forever; Silver $9.99/month, Gold $49.99/month · Free tier is permanent, no card
Mentionlytics — $49/month billed yearly (listed at $69) · 14-day trial, no credit card. No free plan.
Talkwalker Alerts — Free · Free
Google Alerts — Free, no paid tier published · Free
Publish no price at all
All else equal, a hidden price costs you a sales call before you can compare anything. That is not a reason to rule them out, it is a reason to start elsewhere.
Mention — A web and social media monitoring tool, owned by Agorapulse since 2025, that is moving its publishing and reply features over to Agorapulse.
Brandwatch — An enterprise consumer intelligence and social listening suite with deep historical data and advanced analytics.
Talkwalker — An enterprise social listening and consumer intelligence platform known for source breadth and image recognition.
Meltwater — An enterprise media intelligence and PR platform covering news, social and broadcast.
How to choose
Where the work actually happens Almost every tool here can push an alert into Slack. The question is what you do next. If reading the alert sends you to a web app to act, the tool is a notifier and your team still context-switches.
Is Discord a source or a destination? Most tools that mention Discord mean they can post to it. Reading what is said inside a server is a different capability. Of every vendor checked here, exactly two publish it: Eko and Common Room.
Does it judge, or only match? A keyword matcher returns everything containing your word, homonyms included. A tool that judges relevance returns fewer things and is wrong sometimes. Which you want depends on whether you have time to sort.
Does it draft the reply? Finding the mention is half the job. Tools differ on whether they leave you staring at a blank box afterwards.
Frequently asked questions
How much does Octolens cost in 2026?
Octolens publishes Pro at $159 a month billed annually (10 keywords, 15,000 mentions, hourly refresh), Scale at $499 (40 keywords, 50,000 mentions, real-time) and a custom Enterprise plan. Extra keywords start at $5 a month and extra mentions are billed per mention. There is a 7-day trial of the Pro plan, up to 5,000 mentions. Read on octolens.com/pricing on 1 October 2026.
Does Octolens monitor Discord?
Not according to its own pages. Discord is not in its published sources, and its alerts go to Slack, email, API and webhooks. Of the tools compared here, only Eko and Common Room publish Discord as a monitored source.
What is the cheapest Octolens alternative?
F5Bot, free for Reddit, Hacker News and Lobsters. Among paid tools, Syften starts at $29.95 a month and Awario at €29 billed annually. Eko is $49 a month with filtering and drafted replies included, after a 30-day free trial.
Which Octolens alternative has an MCP server?
Syften lists an MCP server on its $119.95 PRO plan. Octolens includes one on every plan, which is one of its real advantages: if your goal is to feed mentions to your own AI agent, that is a reason to stay.
Is this list biased since Eko is on it?
Yes, Eko is first on its own site, and that deserves saying out loud. The rubric is published above the ranking with two criteria Eko loses, Octolens is kept second, and every competitor note names what it does better. Prices come from vendor pages read on a stated date.