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Crab Fit alternatives: 4 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave Crab Fit: no booking pages or calendar invites, and depends on donations for upkeep. We ranked 4 alternatives by how directly each one replaces Crab Fit, then by reviews, real visits and how recently each app's facts were checked against its own website. Rallly currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Rallly logoRalllyOpen sourceYesWeb, Self-hosted4 of 466.5
2Doodle logoDoodleFree plan + paidNoWeb, iOS, Android4 of 462.6
3zcal logozcalFree plan + paidNoWeb5 of 559.6
4Cal.com logoCal.comOpen sourceYesWeb, iOS, Android +25 of 557.2
  1. Rallly logo

    1. RalllyTop pick

    Best for: Groups and organisations that need date polls without ads, or want to self-host them

    Open sourceSelf-hostableWeb, Self-hosted

    66.5

    score / 100

    Why switch from Crab Fit

    Open-source date polls with a finalise-and-invite step.

    Pros

    • Participants vote without creating an account
    • Ad-free, clean interface that works well on mobile
    • Self-hostable with Docker Compose

    Cons

    • Free hosted plan limits open polls and retention
    • No one-to-one booking pages
    • Self-hosted commercial use may require a licence
    Visit Rallly Details and reviews
    How this score is calculated
    Editorial fit ×0.3100
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Rallly a good Crab Fit alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Up to 3 open polls, 30-day retention
    Checked Oct 25, 2026rallly.co(opens source in a new tab)
    Pro plan
    $6 per seat/month, billed yearly
    Checked Oct 25, 2026rallly.co(opens source in a new tab)
    Self-hosting
    Yes, with Docker
    Checked Oct 25, 2026rallly.co(opens source in a new tab)
    Deployment
    Single-server Docker Compose stack
    Checked Oct 25, 2026support.rallly.co(opens source in a new tab)
  2. Doodle logo

    2. Doodle

    Best for: Organisers who need a group to vote on a meeting date, plus occasional booking pages

    Free plan + paidWeb, iOS, Android

    62.6

    score / 100

    Why switch from Crab Fit

    The familiar group poll, plus booking pages and sign-up sheets.

    Pros

    • Group polls are familiar to almost everyone
    • Sign-up sheets for workshops and volunteer slots
    • Participants can vote without creating an account

    Cons

    • Free plan allows only one poll and one booking page and shows ads
    • Booking-page features trail dedicated schedulers
    • Per-seat pricing for something many users need only occasionally
    Visit Doodle Details and reviews
    How this score is calculated
    Editorial fit ×0.387
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Doodle a good Crab Fit alternative?

    Verified facts

    4 of 4 verified
    Free plan
    One group poll, one booking page, one 1:1
    Checked Oct 25, 2026doodle.com(opens source in a new tab)
    Pro plan
    Unlimited polls and booking pages
    Checked Oct 25, 2026doodle.com(opens source in a new tab)
    Video integrations
    Zoom, Microsoft Teams, Webex (Pro)
    Checked Oct 25, 2026doodle.com(opens source in a new tab)
    Sign-up sheets
    Yes
    Checked Oct 25, 2026doodle.com(opens source in a new tab)
  3. zcal logo

    3. zcal

    Best for: Individuals who want polished, free booking links with unlimited calendars

    Free plan + paidWeb

    59.6

    score / 100

    Why switch from Crab Fit

    Free booking links with meeting polls for more formal meetings.

    Pros

    • Free plan with unlimited links and calendars
    • Booking pages with custom fonts, colours and layouts
    • Meeting polls included

    Cons

    • No native mobile apps
    • No refunds once you're billed
    • Fewer integrations than Calendly
    Visit zcal Details and reviews
    How this score is calculated
    Editorial fit ×0.377
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is zcal a good Crab Fit alternative?

    Verified facts

    5 of 5 verified
    Free plan
    Yes, $0 with unlimited links
    Checked Oct 25, 2026zcal.co(opens source in a new tab)
    Pro plan
    $7 per user/month
    Checked Oct 25, 2026zcal.co(opens source in a new tab)
    Business plan
    $12 per user/month
    Checked Oct 25, 2026zcal.co(opens source in a new tab)
    Free trial
    14 days
    Checked Oct 25, 2026zcal.co(opens source in a new tab)
    Refunds
    Not offered
    Checked Oct 25, 2026zcal.co(opens source in a new tab)
  4. Cal.com logo

    4. Cal.com

    Best for: Individuals who want a free Calendly-class tool, and teams that want to self-host or embed scheduling

    Open sourceSelf-hostableWeb, iOS, Android, Browser extension, Self-hosted

    57.2

    score / 100

    Why switch from Crab Fit

    Open-source booking pages when you need one-to-one scheduling.

    Pros

    • Free plan has unlimited event types and calendars
    • Source code is public and the app can be self-hosted
    • API and embeddable components for building scheduling into products

    Cons

    • Many settings, so setup takes longer than simpler tools
    • Self-hosting requires running cron jobs and handling upgrades
    • Team features such as round-robin need a paid plan
    Visit Cal.com Details and reviews
    How this score is calculated
    Editorial fit ×0.369
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.1585
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Cal.com a good Crab Fit alternative?

    Verified facts

    5 of 5 verified
    Free plan
    Yes, 1 user with unlimited event types
    Checked Oct 25, 2026cal.com(opens source in a new tab)
    Teams plan
    $12 per user/month, billed yearly
    Checked Oct 25, 2026cal.com(opens source in a new tab)
    Organizations plan
    $28 per user/month, billed yearly
    Checked Oct 25, 2026cal.com(opens source in a new tab)
    Free trial
    14 days on paid plans
    Checked Oct 25, 2026cal.com(opens source in a new tab)
    Self-hosting
    Yes, with Docker
    Checked Oct 25, 2026cal.com(opens source in a new tab)

The best Crab Fit alternative for…

The highest-ranked app in this list for each need.

Rallly logo

Best Crab Fit alternative for most people

Rallly

Open-source date polls with a finalise-and-invite step.

Cal.com logo

Best Crab Fit alternative for a free option

Cal.com

Open-source booking pages when you need one-to-one scheduling.

Doodle logo

Best Crab Fit alternative for a free plan you can upgrade

Doodle

The familiar group poll, plus booking pages and sign-up sheets.

Rallly logo

Best Crab Fit alternative for open source

Rallly

Open-source date polls with a finalise-and-invite step.

Rallly logo

Best Crab Fit alternative for self-hosting

Rallly

Open-source date polls with a finalise-and-invite step.

Doodle logo

Best Crab Fit alternative for iPhone and Android

Doodle

The familiar group poll, plus booking pages and sign-up sheets.

zcal logo

Best Crab Fit alternative for working in the browser

zcal

Free booking links with meeting polls for more formal meetings.

Crab Fit alternatives: common questions

What is the best alternative to Crab Fit?

Rallly ranks first right now. Open-source date polls with a finalise-and-invite step. Doodle and zcal follow it in our ranking.

Is there a free alternative to Crab Fit?

Yes. Rallly (open source), Doodle (free plan + paid), zcal (free plan + paid) and Cal.com (open source) have a free option. Check each app's verified facts for current plan limits.

Is there an open-source alternative to Crab Fit?

Yes: Rallly and Cal.com. Rallly and Cal.com can also be self-hosted.

Why do people switch from Crab Fit?

The complaints we hear most: no booking pages or calendar invites; depends on donations for upkeep; no iOS app.

How is this list ranked?

Every app is scored with the same published formula: how directly it replaces Crab Fit, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.