The Earth Clock vs 中国年表
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The Earth Clock
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地球の年齢４６億年を一日に例えて、様々な事象を時刻で表示するソフトです。地球の歴史の中では、人類がいかに短い時間しか活動していないことが実感できます。 時計表示は２４時間、１２時間制を切り替えて表示できます。また、〇〇年前は何時にあたるのかを計算して表示する機能も備えています。理科の授業で使えると思います。
中国年表
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中国歴史書を読む上で年代と皇帝の名前を確認するためにこのAPPを作成しました。 クイズWO追加しました。
Screenshots
Verdict
The clearest difference is update cadence: 中国年表 at every 3 weeks against The Earth Clock's every 24 months. The Earth Clock's advantage is iOS requirement (8.1 vs 17.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
The Earth Clock ships an update every 24 months, 中国年表 every 3 weeks. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.
| Parameter | The Earth Clock | 中国年表 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 24 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 27 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | masafumi sasaki | Kumiko Hirobe |
In-app purchases
The Earth Clock
No in-app purchases
中国年表
No in-app purchases
