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Your next customers are complaining about your competitors right now.

Track competitor keywords, layer on a Lens to filter for frustration and intent, and you'll know the moment someone is looking for an alternative.

Start Monitoring Free

These conversations happen every day.

On Hacker News, on Bluesky, on Lobste.rs. Someone posts "I'm fed up with [competitor], what are the alternatives?" Someone else says "[competitor] just removed a feature I relied on." These are potential customers who've already decided they need something different. The question is whether you hear about it.

Track competitors the same way you track your own brand.

  1. 1

    Add competitor keywords

    Brand names, product names, whatever people actually say when they talk about them

  2. 2

    Add a Lens

    "Someone frustrated with [competitor] looking for alternatives", written in plain English

  3. 3

    Get a real-time alert

    The moment a matching post appears on Bluesky, HN, or Lobste.rs

  4. 4

    Respond while the thread is live

    Not after it's gone cold

A grid of posts is checked one at a time. Matching posts briefly turn yellow before every post returns to rest.

A reply an hour late is barely worth sending.

Hacker News threads move fast. Bluesky replies age out of view. If you're checking manually or relying on daily digests, you're showing up after the conversation has already moved on. Messijo alerts you the moment a match appears.

Two timeline tracks: manual check arrives 3 hours late after the reply window closes; Messijo alerts immediately when the competitor post appearsManual3 hrs laterThread already cold.Messijoreply windowHNHigh Intentjust now"Ditching Notion. Anyalternatives out there?"

The intel you pick up along the way

What features people want from competitors

Follow competitor keyword threads and you start seeing patterns in what's missing

Recurring complaints in your category

Not just about one competitor, but about the problem space your product lives in

The exact language people use when they're frustrated

Useful for messaging, positioning, and knowing what to say when you reach out

Catch the conversations your competitors are missing.

Free to start. No credit card required.

Start Monitoring Free

Common questions

Compound keywords let you combine multiple terms with AND and NOT logic. For example, "acme AND competitor" only matches posts that contain both terms, while "acme NOT roadrunner" excludes posts that also mention "roadrunner."Read more

Google Alerts only covers indexed web pages and misses Bluesky, Hacker News, and Lobste.rs entirely. It also does not catch real-time posts or untagged mentions on social platforms.

Yes. You can add accounts to an ignore list per keyword. Posts from ignored accounts will not trigger alerts, even if they contain your tracked keywords.Read more

Keyword limits depend on your plan. The free plan includes a limited number of keywords, and paid plans scale up from there. Check the pricing page for exact limits per plan.

Messijo checks every incoming post on your monitored platforms against your keyword list. When a post contains any of your tracked keywords, it counts as a match and triggers an alert (subject to any Lenses you have configured).Read more

The number of Lenses and monthly Lens results depends on your plan. The free plan includes a limited number of Lens results per month, and paid plans scale up. Check the pricing page for exact limits.

Write your Lens prompt in plain English, describing the intent you want to filter for. Be specific about the type of post, the context, and the outcome you care about. "Someone frustrated with a competitor looking for alternatives" works better than "negative sentiment."Read more

Open the keyword's Events page, select the Lens from the Lenses card, and review the filtered event list. If the results are noisy or missing relevant mentions, adjust the Lens prompt and run it again.Read more

We currently support listening for keywords on BlueSky, Hacker News, and Lobste.rs. Reddit is not currently selectable in the dashboard.

Mention and Brand24 focus on mainstream social platforms like Twitter and Instagram. They do not cover Bluesky, Hacker News, or Lobste.rs, which is where developers discover tools and talk about products like yours.

Lenses are AI-powered filters you set up in plain English. Instead of getting every mention that contains your keyword, you describe the intent you care about. Lenses classifies each mention before sending an alert, so you only hear about the ones that matter.

Whole-word matching only matches when your keyword appears as a complete word (e.g., "cat" matches "the cat sat" but not "category"). Partial matching matches any substring (e.g., "cat" matches "category" and "concatenate").Read more