Calendar sync your client’s compliance team will love.
Works via email — the one channel every IT department already monitors.
How it works.
Simply explained in 70 seconds.
It’s the solution for professionals in compliance-critical environments who cannot use mainstream sync tools. It works with the security measures already in place within your client’s IT infrastructure.
Manual sync is killing your day.
If you work with more than one calendar, you are familiar with this problem:
»How do I sync my calendars without getting into trouble with my client’s IT?«
Our corporate customers often have strict requirements regarding data security and the use of technical interfaces. And even if everything were possible, we don’t want all the details to be visible in all our calendars.
This means that professionals would have to manually transfer every appointment to all other calendars—which is simply impossible. The result is double bookings, postponements, missed appointments… calendar chaos.
Your time is too valuable for this.
Face it: You didn’t become a consultant to copy calendar entries.
Calendar Butler supports you:
It invites all your other calendars to an anonymous appointment. No invitation text or access data, no names and contact details of other participants, and with a subject line that you assign yourself.
Your calendar is blocked, you have an overview anytime, anywhere, and your customers finally see a well-maintained calendar — without any hassle.
How it works
1
Set up your meeting
2
Invite the Calendar Butler
3
It sends invites to you other calendars
What others say
That’s exactly what I needed. Shut up and take my money 😉
Walther Geuder,
Project Manager
It’s so easy. I don’t have to spend ages setting that much up. You can basically start working right away.
Marianna Gulli,
Project Manager
Awesome! It solves such an annoying problem that I keep running into. And no AI. I don’t even have to turn anything off.
Oliver Briede,
Requirements Engineer
Calendar synchronization is such an annoying problem. If you hadn’t invented your tool, I wouldn’t know how to solve it.
Sina Kistner,
Project Specialist
I never would have thought it would be so relaxing. I have three clients at the same time. Keeping my calendars up to date has always been a pain. I’m only now realizing just how much of a hassle it was.
Peter Schoele,
Project Manager PMI
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Costs of manual syncing
Did you know that manual synchronization is actually really expensive? And the worst part is: these are hidden costs that you only notice if you look closely.
The hidden costs of manual calendar synchronization are particularly insidious. No one notices them right away; at first, it’s just a hassle for both sides.
For you, this means wasting valuable time on tasks you’d much rather automate (and that really deserve to be automated).
Your client has to keep asking: “Are you free on Monday?” or “Is your calendar up to date?” Worse still, when you have to keep rescheduling meetings you’ve been invited to, even though your calendar is clearly free to your client. And the worst-case scenario is when you miss a meeting because you simply didn’t have it on your radar anymore.
So it’s about your satisfaction and your effectiveness as a professional, a freelancer or a consultant. It’s about making a real difference with your work. And it’s about your client’s satisfaction, knowing they’re getting the best you have to offer.
If you were to put a price tag on that, this is what it would be.
Hire your butler now
Did you know that you can save money with the Pro Subscription?
per year compared to manual syncing.
| Essential | Pro | Unlimited | ||
|---|---|---|---|---|
| Linked Calendars | 2 | 5 | unlimited | Learn more |
| Syncs / month | 150 | 400 | unlimited | Learn more |
| Video Onboarding | ✅ | ✅ | ✅ | Learn more |
| Best Practice Guide | ❌ | ✅ | ✅ | Learn more |
| Future sync | ❌ | ✅ | ✅ | Learn more |
| 'Conscious' Community | ❌ | ✅ | ✅ | Learn more |
| Priority Support | ❌ | ❌ | ✅ | Learn more |
| Early Access to new Features | ❌ | ❌ | ✅ | Learn more |
Frequently asked questions
Why should I use Calendar Butler instead of Calendly or a similar tool?
Calendar Butler solves a completely different problem than Calendly does. Calendar Butler is the right choice for you if you want to quickly and easily make your availability visible in various (customer) calendars.
How long does it take before I can start using Calendar Butler?
It takes about 5-10 minutes, then you can start working with it right away: You will receive your personal access link immediately after completing your subscription. Then, verify your calendar mailboxes with a single click and you're ready to go.
Does my client's IT department need to activate my use of Calendar Butler?
No. Calendar Butler uses the same channels that your client's IT department monitors closely: calendar invitations via email.
But even though Calendar Butler deletes all unnecessary data, always remember to practice data minimization to protect your clients' internal information.
Why does Calendar Butler work particularly well for compliance-critical environments?
Companies' email systems are strictly monitored, and incoming and outgoing messages are subject to strict regulations. Calendar Butler uses this secure transmission method instead of attempting to intervene in the companies' own systems.
Will my sensitive data be stored?
In order for Calendar Butler to support you, we only need a few details from you: your email addresses that are linked to your various calendars. In addition, an anonymous ID is stored for each meeting so that it can be changed later. That's all.
What happens to the invitations that Calendar Butler has received?
Invitations are deleted immediately after processing. Only individual anonymized information is retained so that you can update your appointments later.
On which platforms and with which tools does Calendar Butler work?
It doesn't matter whether you work on a Windows computer or a Mac, with Outlook, Google Calendar, Apple Calendar… Calendar Butler works reliably with all platforms.
Is working with Calendar Butler easy or secure?
Why choose between the two? We want both! Magic Link instead of passwords, 2FA, anonymization/data deletion, regular security updates and test automation, custom subject lines, calendar verification… not only make it easy for you, but also particularly secure.
Do I have to share my customer's data?
We only need the email and calendar address you received from your customer. It is likely structured similarly to LASTNAME.EXTERNAL@CUSTOMER.COM. That is all we require.
What is a linked Calendar?
In Calendar Butler, you can add your various calendars. Calendar Butler does not have access to these calendars; it only knows the email address and is instructed to send a notification there.
What is a Sync?
A sync is the process by which Calendar Butler sends a block or changes to a linked calendar.
Example: If you have linked three calendars (A, B, and C) and send an event from Calendar A to Calendar Butler, it creates and sends two blocks, resulting in two syncs.
What is Future Sync (available in Q2/26)?
Future Sync is a feature that allows you to send all future appointments that Calendar Butler has already delivered to you to a completely new calendar. This is especially important when you acquire a new client and want to link a new calendar.
Important: Future Sync counts as a single sync, regardless of how many appointments you sync.
What is a Video Onboarding?
To get started with Calendar Butler right away, you'll receive an onboarding tutorial that will help you set everything up in just a few minutes.
What is the Best Practice Guide?
In the Best Practice Guide guide, you'll get tips and tricks from developers and professionals who have been using Calendar Butler for a while. So you won't end up saying later, “If only I'd thought of that…”.
What is the Priority Support?
Priority Support will assist you via Onlinemeeting usually within 24 hours.
What is the 'Conscious' Community?
Your time is worth more than can be expressed in an hourly or daily rate.
That’s why “Conscious — The Community for professionals ready to design their work life” shares the best ideas, tips, and tricks. We engage in open discussions in a safe environment, treating each other as equals, and regularly seek fresh perspectives from outside sources through top speakers, trainers, and coaches.