Software Alternatives, Accelerators & Startups

Cal.com VS Knock App

Compare Cal.com VS Knock App and see what are their differences

Cal.com logo Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.

Knock App logo Knock App

Power your product notifications with Segment and Hightouch.
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • Knock App Landing page
    Landing page //
    2023-05-05

Cal.com features and specs

  • Customizable
    Cal.com allows extensive customization to fit various branding and scheduling needs, which makes it adaptable for different types of users including businesses and individuals.
  • Open-source
    Being an open-source platform, Cal.com provides the flexibility for developers to modify and extend the software as per their specific needs, fostering a collaborative development environment.
  • Integrations
    Cal.com offers a wide range of integrations with other software tools like Google Calendar, Microsoft Outlook, and Zoom, enhancing its functionality and making it easier to fit into existing workflows.
  • User-friendly Interface
    Cal.com has an intuitive and clean interface that makes it easy for users of all technical skill levels to set up and manage their scheduling.
  • Privacy-focused
    Cal.com emphasizes data privacy, ensuring user information is handled securely, which is crucial for users who need to comply with regulations like GDPR.

Possible disadvantages of Cal.com

  • Learning Curve
    Although it is highly customizable, the plethora of options and features may result in a steeper learning curve for new users who are not familiar with such scheduling tools.
  • Limited Free Version
    The free version of Cal.com comes with limitations that may not be sufficient for growing businesses or advanced users who require more comprehensive features.
  • Dependency on Integrations
    Cal.com's effectiveness heavily depends on its integrations. Without these integrations, some users might find the tool less useful or incomplete, especially if their primary tools are not supported.
  • Support
    While open-source has many benefits, it may also mean that immediate, personalized support could be limited compared to fully commercial solutions. This might pose a challenge for users needing quick resolutions.
  • Performance
    As an open-source platform, the performance might vary depending on how it is hosted and managed. Suboptimal configurations could lead to slower performance or downtimes.

Knock App features and specs

  • User-Friendly Interface
    Knock App features an intuitive and easy-to-navigate interface, making it accessible for users of all technical levels.
  • Seamless Integration
    The app offers seamless integration with various CRM systems, enhancing workflow and productivity for real estate professionals.
  • Comprehensive Analytics
    Knock provides robust analytics tools to help users track performance metrics and make data-driven decisions.
  • Time-Saving Automation
    The app automates repetitive tasks, allowing users to focus on more strategic activities and improving overall efficiency.

Possible disadvantages of Knock App

  • Subscription Cost
    Some users may find the subscription fee relatively high compared to similar apps in the market.
  • Limited Customization
    While effective, the app offers limited customization options, which may not suit businesses with highly specific needs.
  • Learning Curve for Advanced Features
    Users looking to utilize more advanced features may face a learning curve, requiring additional time to become proficient.
  • Dependence on Internet Connection
    As with many digital tools, Knock App requires a stable internet connection, which may be a limitation in areas with poor connectivity.

Analysis of Cal.com

Overall verdict

  • Cal.com is generally considered a good option for scheduling and calendar management.

Why this product is good

  • Cal.com is praised for its open-source nature, allowing for greater customization and integration flexibility. It offers a user-friendly interface and supports various calendar integrations, making it a versatile tool for individuals and businesses alike.

Recommended for

  • Freelancers who need a simple yet effective scheduling tool.
  • Small businesses looking for a customizable scheduling solution.
  • Developers who appreciate open-source software and need a tool they can modify.
  • Businesses seeking a platform that can integrate with existing tools and workflows.

Cal.com videos

What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages

More videos:

  • Review - Cal.com Version 1.0 Launch Event

Knock App videos

No Knock App videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Cal.com and Knock App)
Productivity
100 100%
0% 0
Developer Tools
0 0%
100% 100
Appointments and Scheduling
Web Push Notifications
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Cal.com and Knock App

Cal.com Reviews

I've poked around a while ago at some Calendly alternatives (specifically was lo... | Hacker News
I tried using https://cal.com for a bit but ended up just switching over to https://zcal.co and it has been great so far. All these other scheduling tools end up trying to do too much and always seem to end up a bit clunky and charge absurd amounts for it

Knock App Reviews

6 Best Notification Infrastructure for Modern Applications
Knock is the most powerful notification system, capable of scaling with the usersโ€™ demands. Its unified API effortlessly handles the most complex of use cases and offers flexibility in providing user engagement, managing cross-channel workflows, and choosing notification preferences.
Source: geekflare.com

Social recommendations and mentions

Based on our record, Cal.com should be more popular than Knock App. It has been mentiond 57 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Cal.com mentions (57)

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Knock App mentions (7)

  • Show HN: I wrote a new BitTorrent tracker in Elixir
    And if you wanna buy over build, check out https://knock.app - also built in elixir. - Source: Hacker News / 4 months ago
  • Building a translation CI/CD pipeline with Lingo.dev
    Knock is a notification infrastructure platform with built-in localization support. When you attach a locale to a user object, Knock automatically handles localizing your notification templates when provided with the appropriate translation files. It uses translation tags in message templates to display the right content based on the user's preferred language. - Source: dev.to / 7 months ago
  • Ask HN: Best website animation for technical product
    What are some of the animations you've seen on B2B SaaS website? I'm specifically interested in animations that provide a high-level overview to the product/service https://knock.app/ has a couple informative animations, but they are super simple. - Source: Hacker News / about 1 year ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Knock.app โ€“ Notifications infrastructure for developers. Send to multiple channels like in-app, email, SMS, Slack, and push with a single API call. The free plan includes 10,000 messages/mo. - Source: dev.to / over 1 year ago
  • The top real-time notification services for building in-app notifications
    Knock is a developer tool for building cross-channel notification systems. You can use it to add in-app notifications to your app with pre-built components to get you started quickly, but the power comes from integrating in-app and out-of-app channels such as email, push, SMS, and Slack. You can build workflows for these notifications so the right messages are sent via the right channels to the right users at the... - Source: dev.to / almost 2 years ago
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What are some alternatives?

When comparing Cal.com and Knock App, you can also consider the following products

Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

SuprSend - Single Notification API for Every Channel (SMS, Slack, Whatsapp, Email, SMS, Push, App Inbox)

TidyCal - Optimize your schedule with custom booking pages and calendar integrations

Trophy.so - Gamification infrastructure that retains users.

zcal - zcal is the fastest way to schedule every meeting for Free and make it personal.

Mambo.io - Use the Mambo gamification platform to engage your teams, measure activities, set goals and increase the overall performance of your business.