Monitoring X used to be simple: TweetDeck, a saved search, done. Then the API went from free to paid, TweetDeck moved behind X Premium, and most of the small monitoring tools quietly died or pivoted.
What's left is a strange menu. Enterprise suites that start at four figures a year. Legacy listening tools that treat X as one checkbox among twelve platforms. Native X Pro for $8/month with no alerts. And a new generation of tools with their own data collection that don't touch the API at all.
Quick answer: X has no built-in keyword alerts, so monitoring X for keywords always means an external tool. For one person checking mentions by hand, X Pro at $8/mo is enough. For hourly keyword alerts delivered to Slack, Prowlo covers X and Reddit together at $19/mo flat. Want a free starting point? CommunityTracker's free tier tracks 1 keyword with daily email alerts — genuinely useful if you only watch your own brand name. Above that: Syften for boolean filtering, SnitchFeed from $47/mo for multi-platform, Brand24 from $79/mo for PR reports and sentiment. Building your own on the X API starts at $200/mo before you write a line of code.
Disclosure: Prowlo is our product. It sits in the table on the same list-price terms as everything else, and where another tool is the better answer — the free tier, the boolean queries, the enterprise suite — this page says so.
Why do Twitter monitoring tools cost what they do?
Every monitoring tool needs X data, and since 2023 there are only two ways to get it: pay X for API access, or collect it independently. The API route sets a hard price floor:
This is why "cheap Twitter monitoring tool" mostly stopped existing: at $5 per 1,000 post reads, a tool that scans even 100,000 posts a month owes X $500 before building anything — and full-archive access starts at $42,000/mo. The tools that stayed affordable either operate at tiny volume, bundle X into a big multi-platform contract, or — like Prowlo — collect data through their own infrastructure and never touch the metered API.
Scraping, the old third way, is explicitly against X's terms of service and enforcement is real. If a tool is suspiciously cheap and won't say how it gets X data, that's your answer — and your risk.
How do you get Twitter (X) keyword alerts?
X itself won't alert you on keywords — native notifications cover replies, mentions of your handle, and accounts you follow, and TweetDeck-style saved searches are read-when-you-look columns, not alerts. Every Twitter keyword alert therefore runs through an external tool, and there are three working routes in 2026:
- A monitoring tool with its own X data collection — Prowlo ($19/mo, X + Reddit, Slack/webhook delivery, semantic matching), Octolens, Brand24. This is the only route that gets you alerts without touching X's API pricing.
- A tool paying X's API rates — fine at enterprise budgets; the per-read economics above explain why these start at $79–159/mo and meter hard.
- X Pro columns checked manually — $8/mo, zero automation. A saved search is not an alert.
Set up route 1 in Prowlo: create a Watcher with your brand, competitor names, and category phrases; pick Slack or webhook delivery; alerts fire when matching posts appear, including meaning-adjacent posts your exact keywords would miss. The same Watcher feeds your AI agent over MCP.
11 Twitter (X) monitoring tools compared by price
The table shows the market's actual shape: an $8 manual option, a cluster of $19–30 founder tools, a $39–59 band that buys more platforms, and a jump to $79+ team suites. The gap in the middle — affordable, alert-driven, more than one platform — is narrow, and it's where the next section lives.
One number worth watching in that table: tracked terms, not price. SnitchFeed's $47 Starter covers 10 terms; CommunityTracker's free tier covers 1. A $19 flat plan with room for a brand name, three competitors and six category phrases is cheaper per tracked term than a $9/mo plan that caps you at two.
What are the free tools for monitoring Twitter mentions?
Three routes are genuinely free, and each has a real ceiling:
- CommunityTracker's free plan — 1 keyword, Reddit only, daily email alert, no card. The best free option if you just want to know when your brand name comes up.
- X Pro columns — included with X Premium at $8/mo, so not free, but close. Saved-search columns update live and cost nothing extra. You have to look at them; nothing pings you.
- A
twitter-monitorscript from GitHub — free in licence, not in time. These sit on the same API pricing everyone else does, so a working one either needs your own paid API key or breaks when X tightens access. Budget maintenance, not money.
What does not exist in 2026 is a free tool that watches several keywords across X and alerts you automatically. X's read pricing sets a floor under that, and every vendor is paying it or collecting data independently.
How often should keyword alerts fire?
Hourly is the sweet spot for most teams, and it is what people search for — "hourly keyword monitoring" is a real query with real volume. Daily digests miss the window where replying to a live X thread still counts as joining the conversation; real-time firehoses turn Slack into noise nobody reads by week two.
Prowlo checks hourly. CommunityTracker's lower tiers are daily. SnitchFeed alerts while the thread is still live. If speed is the point, check the alert cadence before the price — a cheaper daily tool is not a cheaper hourly one.
Which Twitter monitoring tool should you pick?
You check mentions yourself, once a day: X Pro at $8/mo. No alerts, but the columns work.
You want Slack pings for keywords across X and Reddit: Prowlo — $19/mo flat covers both platforms in one schema, with hourly checks and semantic matching that catches posts your exact keywords miss.
You live in boolean queries: Syften —
brand AND (broken OR "looking for") NOT hiringis its native language; X costs extra.You want to spend nothing: CommunityTracker’s free tier. One keyword, daily email — and if that covers your brand name, seriously, stop there.
You want five platforms in one feed and have budget: SnitchFeed from $47/mo.
You need PR reports and sentiment charts for stakeholders: Brand24 or Mention.
You have an analyst team and five figures: Brandwatch/Meltwater territory. You’re not reading this page.
One structural note: for SaaS and devtools, buying conversations don't stay on one platform. A comparison thread starts on X, and the "which one did you pick?" follow-up lives on r/SaaS. Monitoring X alone answers half the question — which is why we built Prowlo to cover Reddit and X together rather than as separate line items.
Can your AI agent monitor X for you? (MCP)
The newest way to consume X monitoring isn't a dashboard — it's your agent. Prowlo is also an X (Twitter) MCP server: Claude, Cursor, or any MCP client can call search_dataset against your watched X accounts and keywords and get back typed JSON, ranked by semantic relevance. "Find this week's posts where someone is frustrated with their current monitoring tool" works as a query, even when no post contains the word "monitoring."
Everything stays read-only: your agent finds, ranks, and drafts — a human posts. Auto-engagement is how X accounts get flagged, so we don't build it.
Setup is one Watcher: pick the keywords and accounts, choose Slack or webhook delivery, done. The keyword tracking guide walks through the same pipeline on the Reddit side.
FAQ
Can you search someone's Twitter for keywords?
Yes. X's own search supports from:username keyword to search one account's posts, and to:username for replies. That covers one-off lookups. It does not alert you when a new matching post appears — for that you need a monitoring tool that runs the search on a schedule and pushes the result somewhere.
How do I search for keywords in Twitter?
Type the term into X search, then narrow it with operators: "exact phrase" for exact matches, from: and to: for accounts, min_faves:10 for engagement, and since:2026-01-01 for dates. Combine them freely. Saving the search creates a column in X Pro, not an alert.
How do I set up Twitter keyword alerts?
Pick a tool with its own X data collection (X's API has no affordable alert route since the free tier died in February 2026), add your keywords, and choose a delivery channel. In Prowlo: create a Watcher with your keywords, connect Slack or a webhook, done — $19/mo covers X and Reddit together.
What is a Twitter (X) monitoring tool?
Software that watches X for keywords, brand mentions, or competitor names and notifies you when they appear. Since X's API pricing changes, tools divide into two camps: those that pay X's rates ($5 per 1,000 post reads pay-per-use, or $42K+/mo enterprise) and those that collect data through their own infrastructure.
Is there a free Twitter monitoring tool?
Not really, anymore — and X's own API free tier was discontinued in February 2026. X Pro via Premium ($8/mo) is the cheapest workable option: saved-search columns, checked manually. The free alert tools that existed before 2023 died with the API changes; F5Bot, the classic free option, covers Reddit and Hacker News but not X.
Can you monitor X without using the API?
As a user: saved searches and lists, manually. As a buyer: choose a hosted tool with its own data collection. Building your own scraper violates X's terms of service and breaks constantly — it's not a real option for anything you depend on.
Is X Pro (TweetDeck) enough for brand monitoring?
For one person watching one brand name, yes. It has no alerts, no filtering beyond the query, no history export, and no team features — the moment you want a Slack ping instead of another open tab, you've outgrown it.