# かずのトライ vs どーれかな？（意思決定版）

The clearest difference is update cadence: かずのトライ at every 2 months against どーれかな？（意思決定版）'s every 10 months. かずのトライ also leads on iOS requirement (6.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

かずのトライ ships an update every 2 months, どーれかな？（意思決定版） every 10 months. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | かずのトライ | どーれかな？（意思決定版） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/1ipad/id877623745/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | Free | — |
| Size | 22 MB | 24 MB |
| Requires iOS | **6.0** | 17.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Frii Inc.](https://appshunter.io/developer/623738052) | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) |

## What reviewers say

### かずのトライ

[App page](https://appshunter.io/ios/app/1ipad/id877623745)

This app helps young children develop number sense and basic arithmetic skills through engaging games. It offers counting, addition, and subtraction exercises designed to be fun and rewarding, encouraging quick and accurate problem-solving.

**Highlights:** Counting exercises, Addition problems, Subtraction problems, Game-based learning, Character progression, Timed challenges

**In-app purchases:** none


### どーれかな？（意思決定版）

[App page](https://appshunter.io/ios/app/id1439908031)

**In-app purchases:** none


## Frequently asked questions

### Is かずのトライ free?

かずのトライ is free to download, with no in-app purchases.

### Is どーれかな？（意思決定版） free?

どーれかな？（意思決定版） is free to download, with no in-app purchases.

### Do かずのトライ or どーれかな？（意思決定版） have ads?

Neither かずのトライ nor どーれかな？（意思決定版） shows ads.

### Which is updated more often, かずのトライ or どーれかな？（意思決定版）?

かずのトライ ships an update every 2 months, and どーれかな？（意思決定版） every 10 months. Most recently, かずのトライ was updated on October 5, 2026 and どーれかな？（意思決定版） on September 29, 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.*