# HEY Calendar vs osmos assistant

The clearest difference is in-app purchases: HEY Calendar at none against osmos assistant's 6. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. osmos assistant sells 6 in-app purchases, starting at $15.00 per month. HEY Calendar asks for nothing beyond the download.

## The numbers

| Metric | HEY Calendar | osmos assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (659 ratings)](https://appshunter.io/ios/app/hey-calendar/id6449716061/reviews)** | — |
| Number of ratings | **659** | — |
| Positive reviews | 56.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free | — |
| Size | 64 MB | 50 MB |
| Requires iOS | 17.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [37signals LLC](https://appshunter.io/developer/363576304) | [Brightboard AI Ltd](https://appshunter.io/developer/1888228476) |

## What reviewers say

### HEY Calendar

[App page](https://appshunter.io/ios/app/hey-calendar/id6449716061)

This calendar app organizes your schedule around days and weeks, reflecting how people naturally think. It supports habits, highlights important events, and accommodates flexible scheduling for tasks that don't have a fixed time. Enjoy a full-featured experience with unique twists on conventional calendar functions.

**Highlights:** Weekly view focus, Habit tracking, Event highlighting, Flexible scheduling for 'maybe' tasks, Event countdowns, Day labels for context, Color-coded sub-calendars, Flexible reminders

**In-app purchases:** none

**What reviewers like**

- 🚀 Thoughtful and different approach
- 👍 Lovely UI
- 👍 Wonderful UI
- 👍 Innovative features like 'Sometime this Week'

**What reviewers complain about**

- 🐛 Buggy and unreliable syncing
- 🔍 Lacks integration with other calendars
- 🔍 Missing key features like month/year view and search
- 🔍 Clunky and unintuitive user experience

**Reported bugs**

- Events not showing up on calendar
- Notifications not working as expected
- Frequent crashes and performance issues
- Inability to edit events from external calendars

**Requested features**

- Two-way sync with other calendar services
- Ability to set custom recurrence patterns
- Integration with mapping/navigation apps
- Family/shared calendar support
- Calendar widget for quick access


### osmos assistant

[App page](https://appshunter.io/ios/app/osmos-assistant/id6771561683)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (Monthly) | $15.00 | per month |
| Pro (Monthly) | $30.00 | per month |
| Max (Monthly) | $80.00 | per month |
| Plus (Annual) | $119.00 | per year |
| Pro (Annual) | $239.00 | per year |
| Max (Annual) | $639.00 | per year |


## Frequently asked questions

### Is HEY Calendar free?

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

### Is osmos assistant free?

osmos assistant is free to download, with in-app purchases available.

### Do HEY Calendar or osmos assistant have ads?

Neither HEY Calendar nor osmos assistant shows ads.

---

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