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Calendly VS TimeR Machine

Compare Calendly VS TimeR Machine and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

Calendly logo 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.

TimeR Machine logo TimeR Machine

TimeR Machine is a free interval timer for not just workout and exercise, but also any situations you need to construct personalized, multi-stage timer plans. It's highly customizable and able to create almost whatever kind of timer you need.
  • Calendly Landing page
    Landing page //
    2023-10-14
  • TimeR Machine Landing page
    Landing page //
    2025-06-22

Calendly

Website
calendly.com
Pricing URL
Official Calendly Pricing
Release Date
2013 January
Startup details
Country
United States
State
Georgia
City
Atlanta
Founder(s)
Tope Awotona
Employees
100 - 249
Edit details

TimeR Machine

Website
github.com
Pricing URL
-
Release Date
-
Edit details

Calendly features and specs

  • User-Friendly Interface
    Calendly has an intuitive and easy-to-use interface, which simplifies the process of scheduling meetings for both the scheduler and invitee.
  • Integration Capabilities
    Calendly integrates seamlessly with various calendar services (Google Calendar, Outlook, iCal) and other tools like Zoom, Slack, and Salesforce.
  • Customizable Availability
    Users can set their availability preferences down to the minute, allowing for precise control over when they are available for meetings.
  • Automated Reminders
    Calendly automatically sends out reminders to meeting participants, thereby reducing no-shows and ensuring everyone is prepared.
  • Group and Collective Scheduling
    Calendly supports scheduling for groups and teams, making it easier to coordinate meetings with multiple participants.

Possible disadvantages of Calendly

  • Limited Free Plan Features
    The free version of Calendly offers limited features, such as restricted event types and fewer integration options compared to the paid versions.
  • No Option for Meeting Notes
    Calendly does not have built-in functionality for adding detailed meeting agendas or notes directly within the booking system.
  • Learning Curve for Advanced Features
    While basic usage is straightforward, some users may find a steeper learning curve when trying to utilize Calendly's more advanced features.
  • Dependency on Internet Connection
    Calendly relies on a stable internet connection for real-time updates and notifications, which can be a drawback in areas with unreliable connectivity.
  • Privacy Concerns
    Sharing available time slots publicly can sometimes raise privacy concerns, especially for users who are particular about their personal information.

TimeR Machine features and specs

  • Open Source
    TimeR Machine is open source, which means anyone can review, modify, or enhance the code, fostering transparency and community-driven improvements.
  • Community Support
    Being hosted on GitHub, the project can receive contributions and support from a wide developer community, enhancing the app with feedback and additional features.
  • Educational Resource
    The project offers a learning opportunity for developers interested in Android development practices, as they can study and experiment with the code.

Possible disadvantages of TimeR Machine

  • Maintenance
    As an open-source project, continuous updates and bug fixes depend on active community engagement or dedicated maintainers, which might not always be consistent.
  • Limited Documentation
    The project may lack comprehensive documentation, making it challenging for new contributors to understand the codebase and contribute effectively.
  • Potential for Abandonment
    Without active contributors, there's a risk that the project could become inactive or abandoned, leaving users without support or updates.

Analysis of Calendly

Overall verdict

  • Calendly is considered a good choice for individuals and businesses looking for an efficient way to manage appointments and streamline their scheduling process. Its ease of use and robust feature set make it a valuable tool for enhancing productivity.

Why this product is good

  • Calendly is a highly regarded scheduling tool due to its user-friendly interface, seamless integrations with other calendar apps like Google Calendar and Outlook, and its ability to automate appointment scheduling. It eliminates the back-and-forth emails needed to find a convenient meeting time. Users appreciate the numerous customization options, such as setting availability, buffer times between meetings, and limiting the number of meetings per day.

Recommended for

  • Professionals who need to manage multiple appointments and meetings.
  • Businesses seeking to provide clients with a straightforward way to schedule consultations.
  • Teams that require coordination and scheduling across different time zones.
  • Freelancers looking to automate client booking processes.

Analysis of TimeR Machine

Overall verdict

  • TimeR Machine is a solid, well-regarded open-source Android timer application that offers a flexible, feature-rich, and free experience without ads, making it a good choice for users who need advanced timing functionality.

Why this product is good

  • It is fully free and open-source, so there are no ads, tracking, or hidden costs
  • Highly customizable timers supporting complex, multi-stage, and nested timing sequences
  • Actively maintained on GitHub with community contributions and transparency
  • Clean, modern Material Design interface that is intuitive to use
  • Supports features like backup/restore, notifications, and flexible sound/vibration alerts

Recommended for

  • Privacy-conscious users who prefer open-source, ad-free apps
  • People who need advanced multi-stage timers for workouts, cooking, or interval training
  • Developers and tinkerers who want to inspect or contribute to the source code
  • Android users looking for a lightweight, reliable timer replacement for the default app

Calendly videos

+ Add

Calendly Sucks! Here's What I'm Using Now Instead...

More videos:

  • Tutorial - Calendly Tutorial: Book Yourself Solid on Autopilot
  • Review - Review: Calendly

TimeR Machine videos

No TimeR Machine videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to Calendly and TimeR Machine)

Calendly

TimeR Machine

Appointments and Scheduling
100 100%
Appointments and Scheduling
0% 0
Time Tracking
0 0%
Time Tracking
100% 100
Appointment Scheduling
100 100%
Appointment Scheduling
0% 0
Productivity
0 0%
Productivity
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 Calendly and TimeR Machine

Calendly Reviews

  1. Edi Malkovich
    Best scheduling app

    Very simple and easy to use. Eliminate this back and forth hustle with booking calls.

Acuity Scheduling alternatives for businesses outgrowing it
Calendly is the meeting-scheduling default โ€” connect calendars, share a link, and let people book time, with round-robin and team routing on paid tiers. If your "Acuity problem" is really just meetings and your business doesn't hinge on deposits, packages, or a service storefront, Calendly is cleaner and more focused than Acuity for that job. It's not the tool for a salon or...
Source: opencals.com
The Best 24 Appointment Scheduling Apps and Booking Software
I have frequently used Calendly in the past, primarily for scheduling job interviews. What I appreciate about Calendly is that the free version still allows you to connect one calendar, book unlimited meetings, create a custom Calendly link, and send out automatic email notifications and reminders to invitees who book with you.
Source: blog.hubspot.com
neetoCal, a calendly alternative, is a commodity and is priced accordingly
neetoCal is not the first company to compete with Calendly. We are not even the second company to compete with Calendly. We are probably the 30th player in this crowded space. With so many players in the market, scheduling software seems like a commodity.
Source: blog.neeto.com
I've poked around a while ago at some Calendly alternatives (specifically was lo... | Hacker News
Calendly is only $12/month for their professional plan which saves you money if you even schedule only one meeting a month with it.
Source: news.ycombinator.com
The Best Alternatives to Doodle That You Should Check Out
Some may remember the Zoom.ai application. This app has been rebranded as CalendarHero, which resembles Calendly. You can suggest different meetings at different times and then share a link with invitees. Invitees can then indicate their preferred meeting time.
Source: trafft.com

TimeR Machine Reviews

We have no reviews of TimeR Machine yet.
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Social recommendations and mentions

Based on our record, Calendly seems to be more popular. It has been mentiond 119 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.

Calendly mentions (119)

  • AI Almost Sold Me a Subscription I Didn't Need
    Claude took a different path but landed in the same place. It suggested Calendly, Cal.com (open source), and SavvyCal as products I can subscribe to. When I explained that my work calendar was behind corporate SSO and I cannot use my personal computer to link calendars, it pivoted to bridging apps like Sync My Calendar and DAVx5 to push data from my Android to the cloud. It did mention Google Calendar's Booking... - Source: dev.to / 6 months ago
  • Tools for Building a Modern JavaScript Booking Application
    However, if you are looking for an out-of-the-box solution with minimal technical involvement, it is reasonable to consider SaaS platforms such as Appointedd, Calendly, and Scheduly. These products may not provide the same level of flexibility and customization as the DHTMLX Booking widget, but they can be the right choice when speed and ease of deployment are the main priorities. - Source: dev.to / over 1 year ago
  • Calendly and Accessibility Problems
    Calendly is a scheduling platform. I decided to use Calendly on my homepage, giving someone the ability to choose a time and book a call. - Source: dev.to / over 1 year 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 / over 1 year ago
  • A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev
    Calendly โ€” Calendly is the tool for connecting and scheduling meetings. The free plan provides 1 Calendar connection per user and Unlimited sessions. Desktop and Mobile apps are also offered. - Source: dev.to / over 2 years ago
View more

TimeR Machine mentions (0)

We have not tracked any mentions of TimeR Machine yet. Tracking of TimeR Machine recommendations started around Jun 2025.

What are some alternatives?

When comparing Calendly and TimeR Machine, you can also consider the following products

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

Workout Time! - An app for managing and performing timed workouts.

Doodle - Make meetings happen. With Doodle, scheduling becomes quick and easy.

Interval Timer (PFA) - Privacy Friendly Interval Timer supports the user during his/her circuit training session and helps him achieve his/her training goals.

SimplyBook.me - Online scheduling software that offers you a beautiful customisable booking website (or widget to your own website) to accept bookings and payments with the possibility of selling products as well.

Just Another Workout Timer - A simple timer for your workouts, built with Flutter!

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