# 色そろばん vs typhoon

The clearest difference is review sentiment: 色そろばん at 100% against typhoon's 50%. 色そろばん also leads on iOS requirement (12.0 vs 14.0). typhoon's advantage is price (Free vs $7.99) and update cadence (every 2 months vs every 26 months). On ads, in-app purchases and device support there is nothing between them.

typhoon is free to download; 色そろばん costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

色そろばん ships an update every 26 months, typhoon every 2 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 色そろばん | typhoon |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 98 MB | 88 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [kei watanabe](https://appshunter.io/developer/1351571003) | [Techmatrix Corporation](https://appshunter.io/developer/419262815) |

## What reviewers say

### 色そろばん

[App page](https://appshunter.io/ios/app/id1351571004)

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

**In-app purchases:** none


### typhoon

[App page](https://appshunter.io/ios/app/typhoon/id1533003460)

This platform connects students, parents, and staff of Karuizawa Fu-En Gakuen. It facilitates attendance reporting, communication through channels and bulletin boards, and survey responses. Users can manage personal settings and notifications.

**Highlights:** Attendance registration and history, Online communication channels, Bulletin board for announcements, Survey responses and history, Notification settings

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

**In-app purchases:** none


## Frequently asked questions

### Is 色そろばん free?

色そろばん costs $7.99, with no in-app purchases.

### Is typhoon free?

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

### Do 色そろばん or typhoon have ads?

Neither 色そろばん nor typhoon shows ads.

### Which is updated more often, 色そろばん or typhoon?

色そろばん ships an update every 26 months, and typhoon every 2 months. Most recently, 色そろばん was updated on October 24, 2026 and typhoon on October 7, 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.*