gDraw vs 座標タイムアタック
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
gDraw
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Move! Move! It moves! You can draw and move your graphs! Setting invariables in the formula and changing the value, you can move your graphs freely! AMAZINGLY MANY KINDS OF GRAPHS! You can draw many kinds of graphs by setting function such as y=f(x), x=f(y), x=f(t) and y=g(t), f(x,y)=0, pole equation. MOVE GRAPHS! This is the greatest feature of this app! We prepared "m" as an invariable. You can change the value continuously and see the graph moving. Using this feature, you can see many interesting moves, such as simple oscillation, cycloid curve, synthesis of waves. ORIGINAL KEYBOARD! We prepared the original keyboard specialized for mathematical formulas. You can type mathematical formulas very easily. SEE MANY GRAPHS SIMULTANEOUSLY! You can set unlimited number of graphs and see them simultaneously. VERY CONVENIENT TOOL "com". By using this, you can draw line segments, circles, points and texts very easily. For example, you can draw a line segments by setting the starting point and the end point. MANY INTERESTING SAMPLES! You can load many interesting samples from “Load SampleCom”. They are not only interesting, but also help you to master this app. SAVE AND LOAD GRAPHS! You can save and load your original graphs! TAKE A PHOTO OF YOUR GRAPH! You easily take a photo of your graph by pushing “photo button”.
座標タイムアタック
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「座標」をテーマにしたモグラ叩きのようなゲームです。 表示された座標に対応するボタンをすぐにタップしよう! どっちがxでどっちがy?どっちが正でどっちが負?なんてこともなくなります。 学習だけでなく、普段の脳トレにもどうぞ。 ◯2つのゲームモード ・10問タイムアタック 問題は10問あります。どれだけ早く正解できるか挑戦します。 全問正解のとき、最速タイムが記録されます。 ・正解数チャレンジ 30秒以内にどれだけの問題に正解できるか挑戦します。 連続正解数に応じてタイムボーナスが加算されます。 10問連続正解で連続正解のボーナスはリセットされます。 ◯ツイッターシェア機能 ゲーム終了時にツイッターシェアができます。 仲間や友人との切磋琢磨にどうぞ。 ◯学校の先生にもオススメ 数学の授業内で使ったり、宿題としてゲームを出す、なんていうのもオススメです。
Screenshots
Verdict
The clearest difference is price: 座標タイムアタック at Free against gDraw's $1.99. gDraw's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On update cadence, 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
座標タイムアタック is free to download; gDraw costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
gDraw ships an update every 2 months, 座標タイムアタック every 3 months. The most recent releases landed on May 19, 2026 and December 9, 2025 respectively.
| Parameter | gDraw | 座標タイムアタック |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Jirou Fukuda | takamitsu furuya |
In-app purchases
gDraw
No in-app purchases
座標タイムアタック
No in-app purchases









