# Vertical Calendar vs Pi Design

The clearest difference is ads: Pi Design at none against Vertical Calendar's shown. Pi Design also leads on monetization model (free vs ad-supported) and iOS requirement (15.1 vs 26.0). Vertical Calendar's advantage is ratings volume (8 vs 1). On price, rating, review sentiment 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.

On the App Store both sit at effectively the same score — 4.9 for Vertical Calendar against 5.0 for Pi Design. That said, the two scores are not equally well evidenced: Vertical Calendar has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Vertical Calendar | Pi Design |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (8 ratings)](https://appshunter.io/ios/app/vertical-calendar-schedule/id6446192313/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pi-design/id6742815061/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Ad-supported | **Free** |
| Size | 10 MB | 22 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) | [上海醒智科技有限公司](https://appshunter.io/developer/1715258475) |

## What reviewers say

### Vertical Calendar

[App page](https://appshunter.io/ios/app/vertical-calendar-schedule/id6446192313)

This productivity app offers a vertical calendar view with customizable holiday colors, notes, and reminder notifications. It supports multiple calendars, bulk operations, and memo search, all accessible through a URL scheme. Enjoy a dark mode and adjustable font sizes for a personalized scheduling experience.

**Highlights:** Vertical calendar view, Holiday and day off coloring, Notes and color settings, Reminder notifications, Bulk operations, Memo search, Dark mode

**In-app purchases:** none


### Pi Design

[App page](https://appshunter.io/ios/app/pi-design/id6742815061)

An AI-powered platform for content creation and sharing, integrating knowledge management, a design engine, and an AI-native editor. It offers a comprehensive intelligent agent co-pilot system for professional-quality, efficient content development and sharing globally.

**Highlights:** AI-native content creation, Knowledge management integration, Design engine, AI-native editor, Content sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Vertical Calendar free?

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

### Is Pi Design free?

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

### Which has better reviews, Vertical Calendar or Pi Design?

Pi Design is rated higher. Vertical Calendar averages 4.9 out of 5 from 8 ratings, while Pi Design averages 5.0 from 1 ratings.

### Do Vertical Calendar or Pi Design have ads?

Vertical Calendar shows ads; Pi Design does not.

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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.*