# Calendar.online vs Tappo

The clearest difference is in-app purchases: Calendar.online at none against Tappo's 2. Calendar.online also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). Tappo's advantage is update cadence (every 3 weeks vs every 2 months). On price and ads there is nothing between them.

Both are free to download. Tappo sells 2 in-app purchases, starting at $3.99 per month. Calendar.online asks for nothing beyond the download.

Calendar.online ships an update every 2 months, Tappo every 3 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Calendar.online | Tappo |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 67 MB | 47 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kalender.digital](https://appshunter.io/developer/1584623403) | [Softech Corporation of PR](https://appshunter.io/developer/1063904207) |

## 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


### Tappo

[App page](https://appshunter.io/ios/app/tappo-professional-profile/id6747786127)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $35.99 | per year |


## Frequently asked questions

### Is Calendar.online free?

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

### Is Tappo free?

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

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

Neither Calendar.online nor Tappo shows ads.

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

Calendar.online ships an update every 2 months, and Tappo every 3 weeks. Most recently, Calendar.online was updated on October 25, 2026 and Tappo on October 7, 2026.

---

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