# 先生の道具箱 vs Vertical Calendar

The clearest difference is in-app purchases: 先生の道具箱 at none against Vertical Calendar's 2. Vertical Calendar's advantage is update cadence (weekly vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Vertical Calendar sells 2 in-app purchases, starting at $1.99 per month. 先生の道具箱 asks for nothing beyond the download.

先生の道具箱 ships an update every 9 months, Vertical Calendar weekly. The most recent releases landed on October 25, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 先生の道具箱 | Vertical Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/vertical-calendar-planner/id6751930821/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 34 MB | 52 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Rin Takemura](https://appshunter.io/developer/1526931035) | [naoki otsu](https://appshunter.io/developer/1082476153) |

## What reviewers say

### 先生の道具箱

[App page](https://appshunter.io/ios/app/id1638571806)

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

**In-app purchases:** none


### 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, Unlimited tab creation for organization, Color-coded event creation, Global event search, Automatic backup and restore, Offline support, Biometric authentication

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

**In-app purchases (2)**

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


## Frequently asked questions

### Is 先生の道具箱 free?

先生の道具箱 is free to download, with no in-app purchases.

### Is Vertical Calendar free?

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

### Do 先生の道具箱 or Vertical Calendar have ads?

Both 先生の道具箱 and Vertical Calendar show ads.

### Which is updated more often, 先生の道具箱 or Vertical Calendar?

先生の道具箱 ships an update every 9 months, and Vertical Calendar weekly. Most recently, 先生の道具箱 was updated on October 25, 2026 and Vertical Calendar on November 2, 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.*