Software Alternatives, Accelerators & Startups

Sonix.ai VS Cal.com

Compare Sonix.ai VS Cal.com and see what are their differences

Sonix.ai logo Sonix.ai

Automatically convert audio & video to text in minutes

Cal.com logo Cal.com

Cal.com (formerly Calendso) is the open source Calendly alternative.
  • Sonix.ai Landing page
    Landing page //
    2023-01-31
  • Cal.com Landing page
    Landing page //
    2023-10-08

Sonix.ai features and specs

  • Accuracy
    Sonix offers highly accurate transcription services, using advanced AI to deliver reliable transcriptions with minimal errors.
  • Speed
    The service provides fast transcription turnaround times, often delivering results in minutes depending on the length of the audio.
  • Multi-language Support
    Sonix supports multiple languages, making it useful for international users and businesses operating in multiple countries.
  • User-Friendly Interface
    The platform has an intuitive and easy-to-use interface, which simplifies the process of uploading, transcribing, and editing audio files.
  • Integration Options
    Sonix integrates with several popular tools like Zoom, YouTube, and Dropbox, enhancing its utility and convenience for users.
  • Searchable Transcripts
    Transcripts generated by Sonix are searchable, allowing users to quickly find specific parts of the text.

Possible disadvantages of Sonix.ai

  • Cost
    Sonix can be relatively expensive compared to some other transcription services, which may be a significant drawback for budget-conscious users.
  • Subscription Model
    The service primarily operates on a subscription basis, which may not be ideal for users who need transcription services infrequently.
  • Limitations on Free Trial
    The free trial offered by Sonix has limitations, which may not be sufficient for users to fully evaluate the platform's capabilities.
  • Accuracy in Noisy Environments
    While Sonix is generally accurate, it may struggle with transcriptions where the audio quality is poor or there is significant background noise.
  • Editing Requirement
    Despite high accuracy, users often need to make manual edits to the transcripts to ensure complete accuracy, which can be time-consuming.

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.

Sonix.ai videos

Review of Sonix.ai audio transcription service

More videos:

  • Review - iPhone X Ringke Mirror Case vs Sonix | Review After 1 Year
  • Review - SONIX iPhone 6/6s Case | Unboxing & Review

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

Category Popularity

0-100% (relative to Sonix.ai and Cal.com)
AI
100 100%
0% 0
Productivity
24 24%
76% 76
Transcription
100 100%
0% 0
Appointments and Scheduling

User comments

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Reviews

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

Sonix.ai Reviews

Top Otter AI Alternatives in 2024
Sonix is an audio and video transcription service that leverages industry-leading speech-to-text algorithms to convert audio and video files into text in over 38 different languages. Sonix’s in-browser editor allows users to search, play, edit, organize, and share transcripts from anywhere on any device, making sharing transcriptions during meetings, lectures, or interviews...
Top 10 Podcasting Audio to Text Transcription Software
The Sonix media player is designed to help podcasters widen their audience by improving the SEO optimization for search engines like Google or Bing. Moreover, this media player assists the search engines in crawling through and indexing the content you transcribe, which makes your podcasts easier to discover. Sonix also reduces the amount of time you’ll have to spend with...
The 12 Best Notta.ai Alternatives for Better Transcription in 2024
Sonix pairs its advanced transcription services with cutting-edge security measures, offering bank-level protection for your files. With SOC 2 Type 2 compliance, data encryption during transfer and storage, network security, two-factor authentication, and continuous security monitoring, Sonix ensures your data remains safe and secure.
Source: sonix.ai
15 Best AI Transcription Software & Services
Sonix.ai stands as an online platform that employs advanced artificial intelligence to provide automatic transcription services.
Source: escribr.com
Top 14 Sonix.ai Alternatives in 2025
So, if you've been using Sonix.ai, it might be worth seeing if something else suits you better. I've done extensive testing on top AI tools for basically every device and also conducted some head-to-head comparisons of Sonix.ai with a handful of other apps to create this list of 14 Sonix alternatives.
Source: www.notta.ai

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

Social recommendations and mentions

Based on our record, Cal.com should be more popular than Sonix.ai. It has been mentiond 56 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.

Sonix.ai mentions (11)

  • Help with the translation of a horror story on youtube
    There's dozens of tools out there for this these days. I'd recommend sonix.ai they give you 30 minutes free. Source: almost 2 years ago
  • What is the quickest/most practical way to make podcast clips? Selecting clips, trimming, exporting etc etc.
    Do you have a budget? If so, there's this tool I've worked with called Sonix that generates transcripts of what you feed into it. It's not super accurate, but it's good enough. One of the features is that you can "highlight" chunks of text, and have it spit out an XML that will have a sequence containing only the highlighted text. Source: about 2 years ago
  • Interview with Kim Golden - Victim of 03/01/2023 Pit Bull Attack - Links in comments
    Sonix was the one I used because it had 30 free minutes and the video was only 10-11 minutes long. It seems to have done a really decent job, but not sure if that's because the source audio is pretty clear. Source: about 2 years ago
  • What do you use to transcribe your data?
    Sonix.ai does many languages and is quite good. Source: about 2 years ago
  • Is there any languages you wish you could learn, but are discouraged by the lack of resources for?
    I am struggling with this as well, but one good tool for me has been sonix.ai, which can transcribe pretty well (posted a little while ago about it). Source: almost 3 years ago
View more

Cal.com mentions (56)

  • 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 / 2 months ago
  • Using Clerk SSO to access Google Calendar and other service data
    BookMate is an open-source, publicly accessible, lightweight clone of popular booking services like cal.com or Calendly. - Source: dev.to / 5 months ago
  • My Journey into Open Source: First Contributions and Lessons Learned
    Then, I came across Cal.com, a fantastic open-source project for scheduling meetings and managing tasks (super useful for productivity!). I knew the basics of Git but wasn’t quite there with forking, merging branches, and all the intricate Git processes. After some YouTube tutorials, I started to get the hang of things. 😅. - Source: dev.to / 6 months ago
  • Start your own (side) business with open-source in mind
    Cal.com is an open-source event-juggling scheduler for everyone, and is free for individuals. - Source: dev.to / about 1 year ago
  • Fellow HSP entrepreneurs, how do you manage your energy and stress?
    I force clients who want to talk to me to book a call. I use cal.com (free) and my Google Calendar (which its linked to) only allows calls on specific days/times. I have a few "Call Blocks" where they can book. That let's me do calls in a small section of my week, with ample downtime to recover the rest of the week. I'm still learning how many calls a day I can handle. Currently anything more than 2 is too much. Source: over 1 year ago
View more

What are some alternatives?

When comparing Sonix.ai and Cal.com, you can also consider the following products

Otter.ai - Your AI meeting assistant that takes live notes and generates summaries and other insights using Meeting GenAI.

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.

HappyScribe - Happy Scribe automatically transcribes your interviews

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

Trint - Transcribe spoken words from your video & audio files

SavvyCal - A scheduling tool both the sender and the recipient will love.