Software Alternatives, Accelerators & Startups

Cal.com VS SerpApi

Compare Cal.com VS SerpApi and see what are their differences

Cal.com logo Cal.com

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

SerpApi logo SerpApi

Scrape Google and 100+ other search engine results from our fast, easy, and complete API.
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • SerpApi Landing page
    Landing page //
    2023-10-03
  • SerpApi Search API list
    Search API list //
    2026-07-11
  • SerpApi SerpApi use cases
    SerpApi use cases //
    2026-07-11

We help you automate gathering data from search engines like Google, Bing, or Yahoo. What's cool about SerpApi is that it handles all the scraping complexities for you, like dealing with CAPTCHAs, managing IP addresses, and parsing data into a structured JSON. So you don't have to worry about the details.

It's super useful for developers who need to pull search results for tasks like SEO monitoring, market research, travel information, AI models, or even academic projects. Plus, it provides the data in a neat JSON format, making it really easy to use in your applications!

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.

SerpApi features and specs

  • Comprehensive Data Extraction
    SerpApi provides a powerful and easy-to-use API for extracting search engine results, allowing users to access a wide variety of data types such as ads, maps, organic results, and more from multiple search engines.
  • Real-time Data
    The API is designed to retrieve real-time search results, which is crucial for applications that rely on up-to-date information, such as market research and competitive analysis.
  • Easy Integration
    SerpApi offers detailed documentation and client libraries in multiple programming languages, simplifying the integration process for developers across different platforms.
  • Scalability
    SerpApi is able to handle large volumes of requests, making it suitable for businesses of various sizes, from startups to large enterprises needing to gather extensive data.
  • Automated Billing
    The platform provides automated billing and usage management which ensures that businesses can easily manage their costs and understand their data usage.

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.

Analysis of SerpApi

Overall verdict

  • Overall, SerpApi is regarded as a reliable and efficient tool for accessing real-time search engine data, particularly beneficial for developers and businesses focused on SEO, market research, and data-driven decision making.

Why this product is good

  • SerpApi, a provider of Google Search API services, is considered good due to its ability to bypass search result scraping challenges by providing reliable and real-time search data with a simple interface. It also offers comprehensive support for various types of searches including images, news, and shopping. Its robust documentation, active customer support, and continuous updates to accommodate changes in search engine algorithms further enhance its reputation.

Recommended for

  • SEO professionals who need accurate and up-to-date search engine results.
  • Developers who want to integrate search functionalities into their applications without dealing with scraping issues.
  • Market researchers looking for insights into search trends and consumer behavior.
  • Businesses that need to monitor their online presence or competitorsโ€™ performance on search engines.

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

SerpApi videos

OpenAI Function Calling - Connect AI to the Internet

More videos:

  • Tutorial - Scrape Google Search using Python
  • Tutorial - Scrape Google Maps reviews data using Python

Category Popularity

0-100% (relative to Cal.com and SerpApi)
Appointments and Scheduling
APIs
0 0%
100% 100
Calendar And Scheduling
100 100%
0% 0
Web Scraping
0 0%
100% 100

Questions & Answers

As answered by people managing Cal.com and SerpApi.

Why should a person choose your product over its competitors?

SerpApi's answer:

We provide more search engines under one subscription.

How would you describe the primary audience of your product?

SerpApi's answer:

Developers/Companies who need data from search engines.

Which are the primary technologies used for building your product?

SerpApi's answer:

Ruby on Rails and MongoDB

What makes your product unique?

SerpApi's answer:

We're the first web scraping company that focus on scraping search engines.

What's the story behind your product?

SerpApi's answer:

Back in 2017, Julien Khaleghy, the founder of SerpApi, built an iOS app that can analyze data from a picture. iOS didn't have a proper machine learning framework back then. It was challenging: iPhones' RAM were limited, no GPU or no dedicated chip acceleration were available, using only CPU was painfully slow, and compiling/porting C code from machine learning framework like Tensorflow or Caffe to iOS wasn't straightforward. Oddly, all of this wasn't the most difficult part of this project. Collecting images from Google Images was.

In these projects, 80% of his time ended up being spent on scraping and parsing Google Images. And maybe only 20% on actual machine learning model training, UI design of the actual apps, and iOS programming. This is how SerpApi was born.

Who are some of the biggest customers of your product?

SerpApi's answer:

  • Airbnb
  • Nvidia
  • Meta
  • Shopify
  • Grubhub
  • and more!

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 SerpApi

Cal.com Reviews

Acuity Scheduling alternatives for businesses outgrowing it
The honest read: if you're leaving Acuity because your business outgrew simple scheduling โ€” you need deposits, add-ons, multiple staff and locations, and ideally a booking site you own โ€” Opencals is built for exactly that transition, and pay-as-you-go means it costs nothing until you're earning. If you're leaving for a narrower reason, match it precisely: SimplyBook.me for...
Source: opencals.com
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

SerpApi Reviews

We have no reviews of SerpApi yet.
Be the first one to post

Social recommendations and mentions

Based on our record, SerpApi should be more popular than Cal.com. It has been mentiond 92 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 (60)

  • "You Wouldnโ€™t Steal a DIV": How I Built My Portfolio
    Then for the component library, I was really into coss ui. I stumbled upon it randomly one day and loved it so much. My Nathan's AI project already had a UI heavily inspired by cal.com: send button, message suggestions... So when I saw they had a shadcn/ui library with that kind of style, it was perfect for what I needed. - Source: dev.to / 4 months ago
  • AI Almost Sold Me a Subscription I Didn't Need
    I keep coming back to what would have happened if I didn't have a strong technical understanding of how calendar technology works โ€” the difference between local and cloud calendars, what an ICS feed is, why enterprise auth blocks third-party integrations. If this was many years ago before I gained all this experience, I would have stopped at the first confident answer from my search tool, installed one of those... - Source: dev.to / 5 months ago
  • Introducing Quackback: Open-Source Feedback Platform with a Built-in MCP Server
    Plausible brought open source to web analytics. Cal.com did it for scheduling. Formbricks did it for surveys. PostHog did it for product analytics. Quackback does it for feedback collection. - Source: dev.to / 5 months ago
  • ๐Ÿค Learn Front-End by Doing: Contribute to Cal.com's Open Source...๐Ÿš€
    In this tutorial, we'll be focusing on Cal.com:. - Source: dev.to / 12 months ago
  • 5 Side Project Ideas for Developers to Monetize as Micro-SaaS in 2025
    Take Cal.com (https://cal.com/), formerly known as Calendso. It started as an open source alternative to Calendly which offers a free, self-hostable version for users. - Source: dev.to / over 1 year ago
View more

SerpApi mentions (92)

  • How to Build AI Agents in 2026: The Actually Simple Guide
    Real-world note: For production, integrate with SerpAPI, Brave Search API, or Tavily. The structure stays the same. - Source: dev.to / 20 days ago
  • How to implement AI agents in Rails with RubyLLM
    And here's the code for SearchGoogleShopping that works with Google Shopping using SerpApi:. - Source: dev.to / 3 months ago
  • Ask HN: How do you search the web programmatically these days?
    I work at SerpApi [0], and we offer a free tier that may serve your needs if you're just looking to do programmatic searches periodically. Much of the reason people go with a service like ours is because of the difficulty with rolling your own reliable solution. Happy to answer any questions you might have as well! [0]: https://serpapi.com/. - Source: Hacker News / 3 months ago
  • How I Used Nemotron 3 to Help Me Find the Perfect Dishrack
    The Nemofinder is open source and available on GitHub. You need to add a SerpAPI key or change the API to one that you have access to. You need to set up a DigitalOcean GPU droplet with Nemotron 3. Next, you need to update the Nemotron 3 calls to use your deployment's IP address. Feel free to clone, change, and use the application as you'd like. - Source: dev.to / 4 months ago
  • Ask HN: Who is hiring? (March 2026)
    SerpApi | https://serpapi.com | Junior to Senior Fullstack Engineer multiple positions | Customer Success Engineer | Hiring Coordinator | Python/Ruby/PHP/Js/Rust/Cotlin/C#/Crystal/Nim/Elixir Developer Advocate positions | Based in Austin, TX but remote-first structure | Full-time | ONSITE or FULLY REMOTE | $150K - 180K a year 1099 for US or local avg + 20% for outside the US SerpApi is the leading API to scrape... - Source: Hacker News / 5 months ago
View more

What are some alternatives?

When comparing Cal.com and SerpApi, 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.

Apify - Apify is a web scraping and automation platform that can turn any website into an API.

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

ScrapingBee - ScrapingBee is a Web Scraping API that handles proxies and Headless browser for you, so you can focus on extracting the data you want, and nothing else.

Acuity Scheduling - Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.

DataForSEO - DataForSEO offers API data for SEO companies that deliver results of tasks for Rank tracking, SERP, Keyword data and On-page APIs.