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zcal alternatives: 5 apps ranked by verified data

Facts checked Oct 25, 2026AppBreakup editorialHow we rank

Common reasons people leave zcal: no native mobile apps, and no refunds once you're billed. We ranked 5 alternatives by how directly each one replaces zcal, then by reviews, real visits and how recently each app's facts were checked against its own website. Calendly currently ranks first.

Quick comparison

#AppPricingOpen sourcePlatformsVerified factsScore
1Calendly logoCalendlyFree plan + paidNoWeb, iOS, Android +15 of 566.5
2Koalendar logoKoalendarFree plan + paidNoWeb, iOS, Android4 of 462.6
3Cal.com logoCal.comOpen sourceYesWeb, iOS, Android +25 of 559.6
  1. Calendly logo

    1. CalendlyTop pick

    Best for: Sales, recruiting and client-facing teams that want the most familiar booking experience

    Free plan + paidWeb, iOS, Android, Browser extension

    66.5

    score / 100

    Why switch from zcal

    Mature team features and integrations for when a free tool runs out.

    Pros

    • Invitees already know how it works, so bookings convert well
    • Round-robin, routing forms and CRM sync for teams
    • Large integration catalogue and solid mobile apps

    Cons

    • Free plan allows only one event type and one calendar
    • Per-seat pricing adds up quickly for larger teams
    • Enterprise features start at an annual contract minimum
    Visit Calendly 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 Calendly a good zcal alternative?

    Verified facts

    5 of 5 verified
    Free plan
    Yes, one event type and one calendar
    Checked Oct 25, 2026calendly.com(opens source in a new tab)
    Starting price
    $10 per seat/month, billed yearly (Standard)
    Checked Oct 25, 2026calendly.com(opens source in a new tab)
    Teams plan
    $16 per seat/month, billed yearly
    Checked Oct 25, 2026calendly.com(opens source in a new tab)
    Enterprise
    From $15k per year, 50 seats minimum
    Checked Oct 25, 2026calendly.com(opens source in a new tab)
    Integrations
    150+
    Checked Oct 25, 2026calendly.com(opens source in a new tab)
  2. Koalendar logo

    2. Koalendar

    Best for: Freelancers and small businesses that want free unlimited booking links with mobile apps

    Free plan + paidWeb, iOS, Android

    62.6

    score / 100

    Why switch from zcal

    Free forever plan that also includes iPhone and Android apps.

    Pros

    • Free plan with unlimited bookings and event types
    • Booking pages in 30+ languages
    • One-click import of Calendly event types

    Cons

    • Reminders and payments need Pro
    • Lighter admin and reporting than enterprise tools
    • Smaller integration catalogue
    Visit Koalendar 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 Koalendar a good zcal alternative?

    Verified facts

    4 of 4 verified
    Free plan
    Yes, free forever with unlimited bookings
    Checked Oct 25, 2026koalendar.com(opens source in a new tab)
    Free trial
    7 days on Pro, no card
    Checked Oct 25, 2026koalendar.com(opens source in a new tab)
    Mobile apps
    iPhone and Android
    Checked Oct 25, 2026koalendar.com(opens source in a new tab)
    Languages
    30+
    Checked Oct 25, 2026koalendar.com(opens source in a new tab)
  3. Cal.com logo

    3. 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

    59.6

    score / 100

    Why switch from zcal

    Free, open source and self-hostable, with a larger app store.

    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 ×0.377
    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 Cal.com a good zcal 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 zcal alternative for…

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

Calendly logo

Best zcal alternative for most people

Calendly

Mature team features and integrations for when a free tool runs out.

Cal.com logo

Best zcal alternative for a free option

Cal.com

Free, open source and self-hostable, with a larger app store.

Koalendar logo

Best zcal alternative for a free plan you can upgrade

Koalendar

Free forever plan that also includes iPhone and Android apps.

Cal.com logo

Best zcal alternative for open source

Cal.com

Free, open source and self-hostable, with a larger app store.

Cal.com logo

Best zcal alternative for self-hosting

Cal.com

Free, open source and self-hostable, with a larger app store.

Calendly logo

Best zcal alternative for iPhone and Android

Calendly

Mature team features and integrations for when a free tool runs out.

SavvyCal logo

Best zcal alternative for working in the browser

SavvyCal

Paid, but with a calendar overlay that makes booking easier for invitees.

zcal alternatives: common questions

What is the best alternative to zcal?

Calendly ranks first right now. Mature team features and integrations for when a free tool runs out. Koalendar and Cal.com follow it in our ranking.

Is there a free alternative to zcal?

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

Is there an open-source alternative to zcal?

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

Why do people switch from zcal?

The complaints we hear most: no native mobile apps; no refunds once you're billed; fewer integrations than Calendly.

How is this list ranked?

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