# Vertical Calendar vs Nitka

The clearest difference is ads: Nitka at none against Vertical Calendar's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Vertical Calendar sells 2 in-app purchases, starting at $1.99 per month and Nitka sells 6 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Vertical Calendar ships an update weekly, Nitka every 10 days. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Vertical Calendar | Nitka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/vertical-calendar-planner/id6751930821/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 29 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [naoki otsu](https://appshunter.io/developer/1082476153) | [David Wiesztal](https://appshunter.io/developer/1844366923) |

## What reviewers say

### Vertical Calendar

[App page](https://appshunter.io/ios/app/vertical-calendar-planner/id6751930821)

Organize your life with a vertical monthly calendar and unlimited tabs. Easily create color-coded events, search your schedule, and enjoy offline access. Secure your data with biometric authentication.

**Highlights:** Vertical monthly calendar view, One-tap appointment creation, Unlimited tab creation for organization, Color-coded event highlighting, Global event search, Automatic backup and restore, Biometric authentication for security

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium | $19.99 | per year |


### Nitka

[App page](https://appshunter.io/ios/app/nitka-memory-assistant/id6779374694)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bronze | $0.99 | per month |
| Silver | $7.99 | per month |
| Bronze | $9.99 | per year |
| Gold | $24.99 | per month |
| Silver | $79.99 | per year |
| Gold | $249.99 | per year |


## Frequently asked questions

### Is Vertical Calendar free?

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

### Is Nitka free?

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

### Do Vertical Calendar or Nitka have ads?

Vertical Calendar shows ads; Nitka does not.

### Which is updated more often, Vertical Calendar or Nitka?

Vertical Calendar ships an update weekly, and Nitka every 10 days. Most recently, Vertical Calendar was updated on October 25, 2026 and Nitka on October 19, 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.*