# OurCal Calendar Messenger vs OpenSkai

The clearest difference is in-app purchases: OpenSkai at none against OurCal Calendar Messenger's 18. OpenSkai also leads on rating (5.0 vs 4.7) and iOS requirement (15.1 vs 17.0). OurCal Calendar Messenger's advantage is ratings volume (1.1K vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OurCal Calendar Messenger sells 18 in-app purchases, starting at $2.99 per month. OpenSkai asks for nothing beyond the download.

OpenSkai holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: OurCal Calendar Messenger has 1.1K ratings behind it against 2, so its average is the more settled of the two.

OurCal Calendar Messenger ships an update every 5 days, OpenSkai weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OurCal Calendar Messenger | OpenSkai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.1K ratings)](https://appshunter.io/ios/app/ourcal-calendar-messenger/id6461773071/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openskai/id6765978300/reviews)** |
| Number of ratings | **1.1K** | 2 |
| Positive reviews | 65.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Freemium | **Free** |
| Size | 163 MB | 63 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [OurCal Ltd.](https://appshunter.io/developer/1501517878) | [KWADWO ADUSEI POKU](https://appshunter.io/developer/1896149138) |

## What reviewers say

### OurCal Calendar Messenger

[App page](https://appshunter.io/ios/app/ourcal-calendar-messenger/id6461773071)

This app offers a secure, shared calendar solution with end-to-end encryption for families, teams, and organizations. It allows for collaborative planning, in-context chat, file sharing, and unified syncing with other calendar services, all without ads or data tracking.

**Highlights:** ANSSI-certified end-to-end encryption, Group chat and file attachments within events, Unified calendar sync with Google, Apple, Outlook, Create and manage shared calendars for various groups, Smart reminders and widgets, Privacy-first design with no ads or tracking

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OurCal+ Individual | $2.99 | per month |
| OurCal+ Individual | $2.99 | per month |
| Shared with up to 6 people (1) | $9.99 | per month |
| Shared with up to 6 people (2) | $9.99 | per month |
| Shared with up to 6 people (3) | $9.99 | per month |
| Premium Pass | $12.99 | per month |
| Shared with up to 20 people (1) | $16.99 | per month |
| Shared with up to 20 people (2) | $16.99 | per month |
| Shared with up to 20 people (3) | $16.99 | per month |
| Premium Pass | $29.99 | per month |
| OurCal+ Every Group Member | $29.99 | per year |
| OurCal+ Individual | $29.99 | per year |
| OurCal+ Individual | $29.99 | per year |
| Shared with up to 100 people (1) | $39.99 | per month |
| Shared with up to 100 people (2) | $39.99 | per month |
| Shared with up to 100 people (3) | $39.99 | per month |
| Max 6 Annual | $69.99 | per year |
| For up to 6 people | $69.99 | per year |

**What reviewers like**

- 👍 Easy to use and manage
- 🚀 Helps organize busy schedules
- 🤝 Great for sharing calendars with family/friends
- 💯 Excellent customer support

**What reviewers complain about**

- 🐛 Bugs and glitches after updates
- 💰 Paywall for basic features
- 🤔 Confusing setup for new users

**Reported bugs**

- App won't open after latest update
- Events not showing up on calendar
- Incompatible with Mac devices

**Requested features**

- Hourly repeat option for events
- iPad version with widgets
- Ability to join multiple groups


### OpenSkai

[App page](https://appshunter.io/ios/app/openskai/id6765978300)

Engage in natural conversations with an AI agent that visually represents your ideas in real-time. This tool transforms spoken words into clear notes, visuals, and interactive elements, aiding learning, planning, and brainstorming.

**Highlights:** Real-time AI voice companion, Visual workspace for ideas, Natural conversation interaction, Live note-taking and visuals, Interactive moments, Account settings and support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OurCal Calendar Messenger free?

OurCal Calendar Messenger is free to download, with in-app purchases available.

### Is OpenSkai free?

OpenSkai is free to download, with no in-app purchases.

### Which has better reviews, OurCal Calendar Messenger or OpenSkai?

OpenSkai is rated higher. OurCal Calendar Messenger averages 4.7 out of 5 from 1.1K ratings, while OpenSkai averages 5.0 from 2 ratings.

### Do OurCal Calendar Messenger or OpenSkai have ads?

Neither OurCal Calendar Messenger nor OpenSkai shows ads.

### Which is updated more often, OurCal Calendar Messenger or OpenSkai?

OurCal Calendar Messenger ships an update every 5 days, and OpenSkai weekly. Most recently, OurCal Calendar Messenger was updated on October 30, 2026 and OpenSkai on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*