Is Octolens or Syften better for a developer tool?

Octolens if you want the tool to rank and tag what it finds, and if you need LinkedIn — Syften does not cover it at all. Syften if you want the widest developer-community coverage, including podcasts and public Slack, and you are happy to maintain boolean filters yourself.

How much cheaper is Syften?

Substantially. Syften Entry is $29.95/mo and its top PRO tier is $119.95 — still less than Octolens Pro at $199 billed monthly. Check what each tier includes, though: Syften Entry is three community filters with no AI filtering and no Slack, and its API there covers query matches and filter edits but not the archive.

Does Syften monitor LinkedIn?

No. Its FAQ says so directly, and there is no add-on for it. Octolens covers LinkedIn from its Pro plan. For anyone selling to a job title rather than a practitioner, that difference usually settles the comparison.

Octolens, and it is a difference in kind rather than degree. It applies relevance scoring and tagging on every plan. Syften’s AI filtering is a binary keep-or-drop against a description you write, starts on the $49.95 tier, and Syften is explicit that its API returns no scores or sentiment.

Do both have an MCP server?

Yes, but at very different prices. Octolens includes one on every plan from $199. Syften’s is PRO-only at $119.95, and webhooks are gated to the same tier.

OctolensvsSyften

Comparison · checked 20 October 2026

Octolens vs Syften

Both are aimed at developer tools and they sit at opposite ends of the same idea. Octolens scores and tags what it finds and charges $199 a month for it; Syften reaches more places and leaves the judgement to the filters you write, from $29.95. If you have somebody who enjoys writing boolean, Syften is remarkable value. If you do not, that person is what Octolens is replacing.

Octolens — $199/mo, $159 annuallySyften — $29.95/mo

[01] SIDE BY SIDE/ THE TABLE

Octolens against Syften

Every figure read from each vendor's own materials on 20 October 2026. A tick marks the column with the advantage on that row; plenty of rows have neither, which is usually the honest answer. Pricing in this category moves — three of the ten tools we track repriced during 2026 — so confirm anything you are about to sign for.

	Octolens	Syften
Entry price	$199/mo ($159 annually)	$29.95/mo
What the entry tier buys	10 keywords, 15,000 mentions	3 community filters, 1 web filter
AI relevance and tagging	All plans	From $49.95, and it is keep-or-drop
LinkedIn	Yes, from Pro	Not offered at all
Podcasts and newsletters	Scale ($599) and above	Included
Public Slack communities	Not offered	Included
X and YouTube	Included	X +$40/mo, YouTube +$20/mo, on Standard and PRO
REST API	All plans	From $29.95; archive API on PRO
MCP server	All plans	PRO only, $119.95
Seats	Unlimited on every plan	Shared account, no seats
Free trial	7 days, 5,000 mentions	14 days on PRO, no card

[02] WHERE OCTOLENS WINS/ HONESTLY

It ranks what it finds

AI relevance and tagging on every plan, so the output is a sorted queue rather than a stream. Syften’s AI is a binary keep-or-drop against a rule you write, and it starts a tier up.

LinkedIn, which Syften does not have at all

Not gated, not an add-on — Syften’s own FAQ says it does not monitor LinkedIn. For a B2B developer tool selling to engineering leaders rather than engineers, that can decide this outright.

Unlimited seats and a full API on every plan

No per-seat cost, and the API, webhooks and MCP server are included from Pro. Syften has no seats either, but puts webhooks and MCP behind its $119.95 tier.

[03] WHERE SYFTEN WINS/ HONESTLY

Sources genuinely nobody else has

Podcasts, public Slack communities, Indie Hackers, Mastodon and Product Hunt, among about twenty. Octolens reaches podcasts and newsletters only on its $599 Scale plan, and reaches no public Slack at all.

A sixth of the entry price

$29.95 against $199. Even Syften’s PRO plan at $119.95 — with every source, unlimited archive, webhooks and MCP — undercuts Octolens Pro.

Boolean filters that do what you tell them

Precise, inspectable, and no model deciding what you meant. If someone on the team enjoys this, the results are better than any scoring, and they never drift.

[04] HOW TO CHOOSE/ SHORTCUTS

You need LinkedIn

Octolens

Syften does not offer it on any tier or as an add-on. This is the shortest decision on the page.

Nobody wants to maintain boolean queries

Octolens

Filters degrade quietly when the person who wrote them moves on. Scoring fails more gracefully.

You want podcasts or public Slack

Syften

Octolens reaches podcasts only at $599 and public Slack not at all. This is Syften’s genuine moat.

Budget is the constraint

Syften

Its top tier costs less than Octolens’s entry tier. Read the filter counts before assuming $29.95 covers your watch list, though.

[05] A THIRD OPTION/ OURS, DISCLOSED

Where FishOut changes the answer — and where it does not

The gap between these two is judgement against sources, and it is possible to want the first without paying $199. FishOut reads every post for relevance, labels and a Reply call on every plan, Free included, with the API, webhooks and MCP server throughout; $19 adds LinkedIn, TikTok and X, and agents you write — one that sends posts labelled Has a problem to engineering, say, and another that assigns leads. We do not reach podcasts or public Slack, so if those are producing mentions you act on, Syften remains the answer regardless of price.

Start free FishOut vs Octolens

[06] SEE IT ON YOUR KEYWORDS/ FREE PLAN

What you get instead of Octolens or Syften

This is the free plan. Instead of a feed of matches, a list sorted by who is asking — and unlike Octolens or Syften, alerts go to whichever of thirteen places your team reads.

Views

Reply now6

Leads14

Switchers5

Support9

Advocates7

Filtered212

Saved views

Competitor complaints

Launch week

Leads· Best first14

Hacker Newslindqvist3h

Ask HN: Shared inbox for a five-person support team?

Reply nowAsking for recommendationsQuestion

Hacker Newskestrel_ops50m

Show HN: We replaced our helpdesk with a shared Gmail and a script

Reply, carefullyQuestion

Blueskyines.codes30m

Is there an inbox app with an API that is not an afterthought?

Reply nowAsking for recommendations

Hacker Newslindqvist3h

Ask HN: Shared inbox for a five-person support team?

We have outgrown a Gmail alias. Five of us, about two hundred tickets a week, no budget for a helpdesk suite. What actually works?

Relevance

Asking for a toolTeam size fitsBudget stated

Labels · Reply call

Reply nowAsking for recommendationsQuestion

Give the criteria first; mention yourself last

Draft reply

At five people the thing that breaks is two of you answering the same email. Look for assignment and collision warnings before anything else. Disclosure: I build AcmeMail, which does both.

Says who you are
Useful without the plug
No pricing promises

Copy and open threadFishOut never posts

Start free See every plan

Questions

Sources

Octolens pricing page — read 20 October 2026
Syften pricing and documentation — read 20 October 2026

Product names and logos belong to their owners and are used only to identify the products compared. No endorsement is implied.

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