Software Alternatives & Startups

Cal.com VS FeedbackButton.io

Compare Cal.com VS FeedbackButton.io and see what are their differences

Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Cal.com logo Cal.com

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

FeedbackButton.io logo FeedbackButton.io

Get user feedback directly from your website with a simple feedback button.
  • Cal.com Landing page
    Landing page //
    2023-10-08
  • FeedbackButton.io Landing page
    Landing page //
    2022-03-04

Feedback Button is a lightweight & unobtrusive feedback widget for collecting customer feedback directly from your website.

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.

FeedbackButton.io features and specs

  • Ease of Integration
    FeedbackButton.io offers simple integration options that allow users to quickly add a feedback button to their website, without the need for extensive coding knowledge.
  • Customizable
    The tool provides customization options to match the look and feel of the feedback button with the website's design, helping maintain brand consistency.
  • User Feedback Collection
    FeedbackButton.io enables the efficient collection of user feedback directly from a webpage, facilitating user engagement and improving service/product development.
  • Cost-Effective
    With affordable pricing, FeedbackButton.io is accessible to small businesses and startups looking to gather user insights without significant financial investment.
  • Responsive Design
    The feedback button is designed to be responsive, ensuring it works effectively on both desktop and mobile devices, allowing a broader range of user interactions.

Possible disadvantages of FeedbackButton.io

  • Limited Advanced Features
    Compared to more comprehensive feedback platforms, FeedbackButton.io may lack certain advanced features like detailed analytics or integrations with other software.
  • Potential for Feedback Overload
    If not managed well, the tool could lead to an overflow of feedback, which might be challenging for small teams to process and act upon in a timely manner.
  • Dependency on Third-Party Platform
    Relying on an external service for feedback collection could pose risks, such as service discontinuity or changes in pricing and terms.
  • Data Privacy Concerns
    Users might have concerns about how their feedback data is handled and stored, which could affect their willingness to provide honest input.
  • Learning Curve
    While integration is straightforward, users still need to learn how to effectively utilize all features offered by FeedbackButton.io, which may take time.

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

FeedbackButton.io videos

No FeedbackButton.io videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Cal.com and FeedbackButton.io)
Appointments and Scheduling
Customer Feedback
0 0%
100% 100
Calendar And Scheduling
100 100%
0% 0
User Feedback
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 FeedbackButton.io

Cal.com Reviews

Acuity Scheduling alternatives for businesses outgrowing it
The honest read: if you're leaving Acuity because your business outgrew simple scheduling — you need deposits, add-ons, multiple staff and locations, and ideally a booking site you own — 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

FeedbackButton.io Reviews

We have no reviews of FeedbackButton.io yet.
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Social recommendations and mentions

Based on our record, Cal.com seems to be a lot more popular than FeedbackButton.io. While we know about 60 links to Cal.com, we've tracked only 1 mention of FeedbackButton.io. 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 Wouldn’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 / 6 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 — 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 / 7 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 / 7 months ago
  • 🤝 Learn Front-End by Doing: Contribute to Cal.com's Open Source...🚀
    In this tutorial, we'll be focusing on Cal.com:. - Source: dev.to / about 1 year 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

FeedbackButton.io mentions (1)

  • I built a minimal and lightweight feedback/issue reporting widget for websites
    I recently just launched my side project Feedback Button. Today I'm pretty happy as I just got my first paying customer!! Source: over 4 years ago

What are some alternatives?

When comparing Cal.com and FeedbackButton.io, 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.

GetFeedback - Online survey software that allows anyone to create engaging surveys that display perfectly on smartphones, tablets, and browsers. View your results in real-time. Who said online surveys can’t be fun?

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

Survicate - Collect feedback on your website and find out more about your visitors.

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

Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.