Lucid is the #132 ranked communication app on Slack, with a free plan available, as of Jul 28, 2026.
AppRanks data: Lucid ranks #132 in Communication on Slack Marketplace, placing it in the top 22% of that category.
AppRanks verdict
Generated from live marketplace data — refreshed daily
Lucid is a newly-listed Slack app with a limited review volume. It is listed in the Communication category on Slack Marketplace, which AppRanks treats as the canonical taxonomy node for ranking and competitor comparison. no published reviews yet means feature claims are unverified by the wider merchant base. Without a published review base, the only fit-signal available is the developer's own documentation plus the marketplace's listing-quality audit (linked below). The free tier lets you trial the entry feature set without committing a payment method. AppRanks tracks rating, review count, pricing tier, and category position daily — the figures on this page reflect the most recent scrape from the canonical Slack Marketplace listing.
Pros
- +Free tier available — no card required to evaluate
Cons
- −No public reviews yet — fit and reliability are unverified
Looking to switch from Lucid?
See Lucid's alternatives ranked by audit score, rating, and review velocity.
About Lucid
How Lucid works
The Lucid Identity app supports sign in with Slack and identity links for Lucidchart and Lucidspark. Lucidchart is a visual workspace that combines diagramming, collaboration, and data visualization to accelerate understanding and drive innovation. Lucidspark is a virtual whiteboard where teams can collect ideas, collaborate in real time, and pick the best course of action to keep projects moving forward. If you have questions or content reporting, contact support by going to https://help.lucid.co/hc/en-us/articles/360049229652-Get-support.
Category rankings
As of Aug 3, 2026- Communication#132of 601Top 22%
- Productivity#255of 600Top 43%
See 90-day rank history for each category
Track daily rank changes, category shifts, and position volatility.
Competitors & alternatives
Lucid doesn't have curated competitor matchups yet. Other tracked communication apps on Slack:
Where Lucid stands in the Communication category
Lucid ranks #132 of 601 apps in the Communication category, placing it in the top 22% of the listing.
Frequently asked questions
What is Lucid?
Lucid is an app for Slack. It is published on Slack Marketplace and tracked by AppRanks, and AppRanks has been tracking its public marketplace data on the refresh cadence published in our methodology. It is listed under the Communication category on AppRanks, where you can see its current category position, review-velocity trend, and how it compares against the top alternatives in the same space.
Is Lucid free?
Lucid does not offer a permanent free plan on Slack. Pricing starts at Free and paid plans available. Trial availability and exact billing terms are mirrored from the live Slack listing and may change between refresh cycles, so always confirm the headline price on the source marketplace before installing.
Who uses Lucid?
Lucid is actively installed across Slack stores tracked by AppRanks. Its review base is still building, which usually maps to early-stage merchants and stores piloting a new workflow. It is part of the Communication category on Slack.
Where does Lucid rank on Slack?
Lucid currently sits at position #132 in the Communication category on Slack. That places it in the top 22% of 601 apps tracked in the same category. Category positions are read from the live marketplace ranking and refresh on each scrape, so the number you see here reflects the most recent crawl rather than a long-running average.