Free Blocks is the #295 ranked project management app on Slack, with a free plan available, as of Jul 28, 2026.
AppRanks data: Free Blocks ranks #295 in Project Management on Slack Marketplace, placing it in the top 64% of that category.
AppRanks verdict
Generated from live marketplace data — refreshed daily
Free Blocks is a newly-listed Slack app with a limited review volume. It is listed in the Project Management 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
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See Free Blocks's alternatives ranked by audit score, rating, and review velocity.
About Free Blocks
How Free Blocks works
Free Blocks is an application that helps you share your calendar on Slack. Free Blocks is compatible with your primary Google Calendar™ to determine when you're available, when your co-workers are available and create events to leverage discovered availability. Free Blocks' goal is to create an API for the workplace. We want to make it easy to query any work artifacts and calendars are just our first step. Follow our Substack for more updates! https://freeblocks.substack.com/
Screenshots
Category rankings
As of Aug 3, 2026- Project Management#295of 466Top 64%
- Communication#494of 601Top 83%
See 90-day rank history for each category
Track daily rank changes, category shifts, and position volatility.
Competitors & alternatives
Free Blocks doesn't have curated competitor matchups yet. Other tracked project management apps on Slack:
Where Free Blocks stands in the Project Management category
Free Blocks ranks #295 of 466 apps in the Project Management category, placing it in the top 64% of the listing.
Frequently asked questions
What is Free Blocks?
Free Blocks 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 Project Management 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.
Who uses Free Blocks?
Free Blocks 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 Project Management category on Slack.
Where does Free Blocks rank on Slack?
Free Blocks currently sits at position #295 in the Project Management category on Slack. That places it in the top 63% of 466 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.