Earth Robo. vs 世界人口電卓
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Earth Robo.
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Learn the location of countries in the world 3 types of Quiz format, Card Choice, Map Choice, Map Scroll. - Card Choice "Where is this?", choose the correct answer from the four cards. - Map Choice "Which is India?", choose the correct answer from the four maps. - Map Scroll "Where is France?", attempt to move the marker on the map to the correct answer location. Tap the correct answer and beat the Robo!
世界人口電卓
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機能 - シンプルな電卓。普通に計算できる。 - 計算結果の数値に連動して、その数値に人口が近い国を地図上に示す。 - ランダムに国を地図上に表示する。 - 人口のランキングに沿って、次へ/前へ 進める。
Screenshots
Verdict
The clearest difference is ads: 世界人口電卓 at none against Earth Robo.'s shown. 世界人口電卓 also leads on update cadence (every 3 days vs every 7 months) and iOS requirement (13.0 vs 15.0). On price, 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.
Earth Robo. ships an update every 7 months, 世界人口電卓 every 3 days. The most recent releases landed on October 26, 2026 and October 4, 2026 respectively.
| Parameter | Earth Robo. | 世界人口電卓 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 60 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | MASAHIRO MIZUTANI | HANAUTA INC. |
In-app purchases
Earth Robo.
No in-app purchases
世界人口電卓
No in-app purchases
