
Acuity Scheduling
SimplyBook.me
Doodle
Cal.com
SetMore
YouCanBookMe
TidyCal
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.

ImproWise
Octalsoft CTMS
BSI CTMS
Clinion CTMS
ClinicalHawk EDC
Medidata CTMS
Clinical Trial Management Sys
The most flexible clinical trial management solution to manage it all - documents and trials -quick implementation, integration, migration, validation for your compliance

Which is more popular?
Based on our record, Calendly seems to be more popular. It has been mentioned 119 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | calendly.com | flexdatabases.com |
| Pricing | ||
| Company | Startup from the United States · 100 - 249 employees · 2013 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Calendly yet.
Flex Databases is a modular eClinical platform that helps pharmaceutical companies, CROs, and biotech organizations manage clinical trials more efficiently. The system offers tools like CTMS, eTMF, Pharmacovigilance, and Quality Management to streamline operations, ensure regulatory compliance,...
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Calendly Sucks! Here's What I'm Using Now Instead...
More videos
Flex Databases CTMS - CRA Activity Management
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Calendly and Flex Databases. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Calendly is the meeting-scheduling default — 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...
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...
Very simple and easy to use. Eliminate this back and forth hustle with booking calls.
We have no reviews of Flex Databases yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


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... - Source: dev.to / 8 months ago
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... - Source: dev.to / over 1 year ago
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 / almost 2 years ago
Tracking Flex Databases since Apr 2024.
When comparing Calendly and Flex Databases, you can also consider the following products.

Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
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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.
Compare SimplyBook.me to Calendly or Flex Databases:

Octalsoft CTMS provides a single, centralized system to manage sponsor and Clinical Research Organization study management activities.
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Make meetings happen. With Doodle, scheduling becomes quick and easy.
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BSI CTMS covers all aspects of clinical trial management. It is the most intuitive and flexible system on the market. Test us out.
Compare BSI CTMS to Calendly or Flex Databases: