23ya vs よくわかる算数小学１年
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
23ya
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Let's play a Japanese puzzle game rather than memorize new words! You will form Japanese words by connecting the hiragana blocks while playing Othello(Reversi) with the ghost cat. In no time, you'll notice that you will be assembling words in your head, even when you're not playing! ---- 単語を丸暗記するより日本語パズルで遊ぼう！化け猫とオセロをやりながら、ひらがなのブロックを並び替えて言葉を作っていくパズルです。このパズルをやると、遊んでないときでもきっと自然と頭の中で言葉を組み立てていることに気づくはず！
よくわかる算数小学１年
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・問題を解きながら小学校１年の算数を学習します。 ・多くの絵で楽しく学習できます。 ・わかりにくいところは，ていねいな説明を加えています。
Screenshots
Verdict
The clearest difference is in-app purchases: 23ya at none against よくわかる算数小学１年's 1. 23ya also leads on update cadence (every 7 months vs every 28 months) and iOS requirement (10.3 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. よくわかる算数小学１年 sells 1 one-off in-app purchase. 23ya asks for nothing beyond the download.
23ya ships an update every 7 months, よくわかる算数小学１年 every 28 months. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.
| Parameter | 23ya | よくわかる算数小学１年 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months — better | Every 28 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 349 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | SMARTI CO.,LTD. | Norio Takeda |
In-app purchases
23ya
No in-app purchases
よくわかる算数小学１年
- ゴールドコイン$7.99
