Plandemonium vs Open Calendar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plandemonium
Facilitate group communication and event organization with features like community boards, group chat, shared calendars, and photo uploads. Streamline activities and improve ease of use on a single platform.
- Community boards
- Group chat
- Shared calendars
- Photo uploads
- Volunteer sign-ups
- Event organization
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At its core, Plandemonium aims to offer a comprehensive solution for group communication, with features ranging from community boards and group chat to shared calendars, photo uploads, and volunteer sign-ups. However, our vision goes beyond; we're committed to providing a more robust organization and unparalleled ease of use, all within a single platform.
Open Calendar
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Open Calendar transforms your calendar from a planning tool into a social discovery platform. Post plans as Action Cards and your feed becomes a "future to-do list." 【Share Your Future with Action Cards】 Action Cards break events down into what you'll actually do — add them to Google Calendar with one tap. "32K people added this action" means 32K people committed to their future. 【Features】 - Browse, create, and share Action Cards - One-tap add to Google Calendar - Follow friends and check their plans - Like, comment, and send "Do This!" to friends - "Done!" stamps for completion reports - Live participant count — see who's doing it right now 【Perfect for You If You...】 - Love making plans with friends - Don't want to miss trending events - Enjoy discovering new experiences - Like organizing your future Build your future timeline.
Screenshots
Verdict
The clearest difference is device support: Plandemonium at 2 against Open Calendar's —. Plandemonium also leads on iOS requirement (13.0 vs 15.1). On price and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Plandemonium | Open Calendar |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Weekly | — |
| Ads | No | — |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | — |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 87 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Phanhuy Vu | no geass inc. |
In-app purchases
Plandemonium
No in-app purchases
Open Calendar
No in-app purchases








