ChatGPT · US · as of September 2026
Is AI recommending Proton Calendar? Is this your brand? Claim it
How often ChatGPT mentions Proton Calendar for calendar apps, and how it stacks up against the tools that dominate the answers.
30%
of AI answers mention Proton Calendar
#6.7
avg rank when mentioned
1/1
questions it appears in
The takeaway: Proton Calendar is named in only 30% of relevant answers (rank #6.7 when it does appear). The visibility gap is the opportunity.
How Proton Calendar compares
Share of ChatGPT answers naming each tool, same 1 questions.
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Proton Calendar across every AI engineGemini · Perplexity · Google AI · Copilot🔒
Visibility trend over timesee if you're rising or falling
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Where Proton Calendar shows up
The questions where ChatGPT currently names Proton Calendar.
A sample answer mentioning Proton Calendar
Prompt: Best calendar apps · ChatGPT · 2026-09-09
Best calendar apps in 2026
My picks depend on what you want:
-
Google Calendar — Best overall/free
-
Excellent on iPhone, Android, and web
- Great Gmail, Google Meet, and Google Workspace integration
- Best choice for most people. Apps Tested TechRadar
-
Fantastical — Best for power users
-
Beautiful interface
- Excellent natural-language event creation
- Particularly good if you manage lots of calendars and meetings
- Premium features require a subscription. Zapier
-
Apple Calendar — Best for Apple users
-
Free and built into iPhone/Mac
- Excellent iCloud integration
- Simple and reliable if you don't need advanced features. Zapier
-
Microsoft Outlook — Best for work
-
Calendar + email in one app
- Especially good for Microsoft 365/Exchange users
- Strong choice for corporate environments. TechRadar G2 Learn
-
Notion Calendar — Best for Notion users
-
Clean, modern interface
- Excellent if your projects, notes, and databases already live in Notion
- Good option for combining calendar and productivity workflows. Unstar 2sync
-
Proton Calendar — Best for privacy
-
End-to-end encrypted calendar
- Good choice if privacy is a priority. Zapier
My quick recommendation
- Just want the best free calendar: Google Calendar
- iPhone + Mac: Fantastical
- Simple Apple experience: Apple Calendar
- Work/Microsoft 365: Outlook
- Notion-heavy workflow: Notion Calendar
- Privacy: Proton Calendar
If you tell me iPhone or Android and whether you want free, AI scheduling, family sharing, or work/productivity, I can narrow it down to the best 2–3 for you.
Is your brand in these AI answers?
This index shows what AI engines recommend by industry. Zadoosh tracks whether ChatGPT, Gemini & Perplexity mention your brand for the prompts that matter, who's winning the ones you're missing, and what to do about it.
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