# パンツ漢字ドリル（小学二年生） vs 九九

The clearest difference is in-app purchases: パンツ漢字ドリル（小学二年生） at none against 九九's 1. 九九's advantage is update cadence (every 5 months vs every 20 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. 九九 sells 1 one-off in-app purchase. パンツ漢字ドリル（小学二年生） asks for nothing beyond the download.

パンツ漢字ドリル（小学二年生） ships an update every 20 months, 九九 every 5 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | パンツ漢字ドリル（小学二年生） | 九九 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (2 ratings)](https://appshunter.io/ios/app/easy/id1611285814/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 20 months | **Every 5 months** |
| Monetization | — | Free with in-app purchases |
| Size | 65 MB | 109 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [フロンティア システム ソリューションズ](https://appshunter.io/developer/553421631) | [Sumie Watanabe](https://appshunter.io/developer/1349237972) |

## What reviewers say

### パンツ漢字ドリル（小学二年生）

[App page](https://appshunter.io/ios/app/id1552998614)

**In-app purchases:** none


### 九九

[App page](https://appshunter.io/ios/app/easy/id1611285814)

This app offers a comprehensive multiplication and word problem learning experience with randomized practice questions. It includes a review mode for incorrect answers and is free to use with optional ad removal via in-app purchase.

**Highlights:** Randomized multiplication problems, Word problem practice, Review mode for incorrect answers, Calendar feature, Name and icon display for submissions

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 九九アプリバナー広告非表示 | $1.99 | one-time |


## Frequently asked questions

### Is パンツ漢字ドリル（小学二年生） free?

パンツ漢字ドリル（小学二年生） is free to download, with no in-app purchases.

### Is 九九 free?

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

### Do パンツ漢字ドリル（小学二年生） or 九九 have ads?

Both パンツ漢字ドリル（小学二年生） and 九九 show ads.

### Which is updated more often, パンツ漢字ドリル（小学二年生） or 九九?

パンツ漢字ドリル（小学二年生） ships an update every 20 months, and 九九 every 5 months. Most recently, パンツ漢字ドリル（小学二年生） was updated on October 27, 2026 and 九九 on November 3, 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.*