# CalendarDuo vs Traleado

The clearest difference is ads: Traleado at none against CalendarDuo's shown. Traleado also leads on iOS requirement (13.0 vs 15.1). CalendarDuo's advantage is update cadence (every 4 months vs every 22 months). On price, in-app purchases and device support there is nothing between them.

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

CalendarDuo ships an update every 4 months, Traleado every 22 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | CalendarDuo | Traleado |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 22 months |
| Monetization | Ad-supported | — |
| Size | 41 MB | 38 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chun Lam](https://appshunter.io/developer/1565498900) | [Traleado](https://appshunter.io/developer/1756091897) |

## What reviewers say

### CalendarDuo

[App page](https://appshunter.io/ios/app/calendarduo/id1589593639)

Easily manage and view holidays from two different countries simultaneously. This utility app offers instant switching between calendars, a dual-view display, and helpful tools like a world clock and currency exchange.

**Highlights:** Switch between two world calendars instantly, Duo-view with holidays from two countries, Daylight Saving Time dates, Currency exchange rate, World clock, Add notes

**Features:** macOS Compatibility

**In-app purchases:** none


### Traleado

[App page](https://appshunter.io/ios/app/traleado/id6523430772)

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

**In-app purchases:** none


## Frequently asked questions

### Is CalendarDuo free?

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

### Is Traleado free?

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

### Do CalendarDuo or Traleado have ads?

CalendarDuo shows ads; Traleado does not.

### Which is updated more often, CalendarDuo or Traleado?

CalendarDuo ships an update every 4 months, and Traleado every 22 months. Most recently, CalendarDuo was updated on October 15, 2026 and Traleado on October 15, 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.*