# 株カレンダー vs 決算電卓

The clearest difference is in-app purchases: 決算電卓 at none against 株カレンダー's 2. 株カレンダー's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. 株カレンダー sells 2 in-app purchases, starting at $2.99 per month. 決算電卓 asks for nothing beyond the download.

株カレンダー ships an update every 5 days, 決算電卓 every 3 days. The most recent releases landed on October 13, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 株カレンダー | 決算電卓 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 107 MB | 41 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ikue Konno](https://appshunter.io/developer/971968281) | [Shizukuya](https://appshunter.io/developer/1606582342) |

## What reviewers say

### 株カレンダー

[App page](https://appshunter.io/ios/app/ai/id6754214036)

This tool provides Japanese stock investors with real-time notifications for corporate disclosures, AI-powered summaries of filings, and integrated calendar management for earnings and IPO schedules. It helps streamline information gathering and investment decision-making.

**Highlights:** Real-time disclosure notifications, AI-powered filing summaries, Earnings and IPO calendar management, Favorite stock tracking with reminders, Customizable stock grouping, IR disclosure notes and investment journal

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $2.99 | per month |
| ライフタイムプレミアムプラン | $39.99 | one-time |


### 決算電卓

[App page](https://appshunter.io/ios/app/id6780860708)

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

**In-app purchases:** none


## Frequently asked questions

### Is 株カレンダー free?

株カレンダー is free to download, with in-app purchases available.

### Is 決算電卓 free?

決算電卓 is free to download, with no in-app purchases.

### Do 株カレンダー or 決算電卓 have ads?

Both 株カレンダー and 決算電卓 show ads.

### Which is updated more often, 株カレンダー or 決算電卓?

株カレンダー ships an update every 5 days, and 決算電卓 every 3 days. Most recently, 株カレンダー was updated on October 13, 2026 and 決算電卓 on September 28, 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.*