One Kanji Clock vs GyoTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Kanji Clock
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This clock displays kanji characters for your enjoyment. Kanji characters are displayed one at a time in random, and change over as time passes. The size of the characters can be changed in three levels. The length of the switching time can be adjusted. Hiragana and English can also be displayed. There are more than 700 kanji in the database. The number is small at first, but it will gradually increase. You can also choose your favorite kanji to display. You can choose from 20 different backgrounds. A time signal can be set to sound at 0 minutes. You can choose from 78 different sounds for the time signal.
GyoTimer
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仕事や勉強に集中したいあなたへ – Gyotimer ポモドーロ方式で集中力アップ 25分や50分など、自分の作業時間を設定して、集中タイムに没頭できます。 魚と一緒に成長 作業を続けると、魚が成長します。集中時間を楽しみながら、視覚的に成果を実感できます。 時間管理&注意力向上 長時間の作業でも、集中タイムと休憩タイムをバランスよく管理。効率的に仕事や勉強を進められます。 ゲーム感覚でモチベーション維持 作業完了後の達成感や魚の成長で、集中を楽しく継続。 初心者でも簡単 ボタン一つでタイマー開始。誰でもすぐに集中タイムを始められます。 さあ、魚と一緒に集中力を育てよう!
Screenshots
Verdict
The clearest difference is in-app purchases: GyoTimer at none against One Kanji Clock's 1. GyoTimer also leads on ads (none vs shown). One Kanji Clock's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.6). On price 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. One Kanji Clock sells 1 one-off in-app purchase. GyoTimer asks for nothing beyond the download.
| Parameter | One Kanji Clock | GyoTimer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 18 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Mihoko Araki | Yue Song |
In-app purchases
One Kanji Clock
- One Kanji Clock with no ads$2.99
GyoTimer
No in-app purchases









