# Calendio vs Ductio

The clearest difference is price: Calendio at Free against Ductio's $1.99. Calendio also leads on iOS requirement (13.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Calendio is free to download; Ductio costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Calendio ships an update every 2 weeks, Ductio every 3 weeks. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Calendio | Ductio |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 11 MB | 4 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Turk](https://appshunter.io/developer/1682700433) | [ITSecuConsult](https://appshunter.io/developer/1872179694) |

## What reviewers say

### Calendio

[App page](https://appshunter.io/ios/app/calendio/id6447790237)

This app offers a clean and elegant way to manage your schedule. Its minimalistic design and user-friendly interface make organizing your day straightforward and efficient.

**Highlights:** Minimalistic design, Sleek interface, Easy navigation, Schedule organization, User-friendly

**Features:** macOS Compatibility

**In-app purchases:** none


### Ductio

[App page](https://appshunter.io/ios/app/ductio/id6760586726)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calendio free?

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

### Is Ductio free?

Ductio costs $1.99, with no in-app purchases.

### Do Calendio or Ductio have ads?

Neither Calendio nor Ductio shows ads.

### Which is updated more often, Calendio or Ductio?

Calendio ships an update every 2 weeks, and Ductio every 3 weeks. Most recently, Calendio was updated on September 25, 2026 and Ductio on September 30, 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.*