# Calendar.online vs STWORLD

The clearest difference is iOS requirement: STWORLD at 12.0 against Calendar.online's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Calendar.online | STWORLD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (40 ratings)](https://appshunter.io/ios/app/calendaronline/id1607856409/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 65 MB | 34 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kalender.digital](https://appshunter.io/developer/1584623403) | [KOO YEUN CHAE](https://appshunter.io/developer/1654457881) |

## What reviewers say

### Calendar.online

[App page](https://appshunter.io/ios/app/calendaronline/id1607856409)

This free online calendar facilitates team collaboration with shareable access links. Manage permissions, set passwords, and customize views for seamless group scheduling. Access your calendar from any device with a simple bookmark.

**Highlights:** Shareable access links, Role-based permissions (admin, editor, reader), Password protection for links, Customizable access link views, Dashboard for managing calendars, Device bookmarking

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

**In-app purchases:** none


### STWORLD

[App page](https://appshunter.io/ios/app/stworld/id6475134297)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendar.online free?

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

### Is STWORLD free?

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

### Do Calendar.online or STWORLD have ads?

Neither Calendar.online nor STWORLD shows ads.

### Which is updated more often, Calendar.online or STWORLD?

Calendar.online ships an update every 2 months, and STWORLD every 2 months. Most recently, Calendar.online was updated on October 6, 2026 and STWORLD on October 12, 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.*