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Cal.com vs one sec

Cal.com and one sec are both Productivity tools in our directory. This side-by-side comparison covers pricing, user ratings, supported platforms, key features and open-source status so you can decide which one fits your needs.

Side-by-side comparison

AttributeCal.comone sec
VendorCal.comone sec
Rating★ 4.6★ 4.7
PricingFreemiumPaid
PlatformsWeb, API, Self-hostiOS, Android
Key featuresOpen-source booking, Self-host or cloud, Routing formsIntervention delay, Breath / question, iOS and Android
HeadquartersSan Francisco, USAGermany
Founded20212020
Open sourceYesNo

Key differences

  • one sec has a higher user rating (4.7★ vs 4.6★).
  • Cal.com is Freemium, while one sec is Paid.
  • Cal.com is open source (its code is public), while one sec is proprietary.
  • Cal.com runs on Web, API, Self-host; one sec runs on iOS, Android.

Frequently asked questions

Is Cal.com or one sec better?

By user rating, one sec scores higher (4.7★ vs 4.6★). Both are capable Productivity tools, so review the feature comparison for your use case.

Which is cheaper, Cal.com or one sec?

Cal.com is Freemium and one sec is Paid. Check each product page for current plan details.

Are Cal.com and one sec open source?

Cal.com is open source, while one sec is proprietary.

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