Comparison

スマホで構造計算 vs DRA AR

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

スマホで構造計算

Features

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建築構造部材の断面設計を行うツール集で、iPad版「建築構造ツールボックス」のiPhone版になります。内容的には、小社で販売しているWindowsデスクトップ版「RCチャート」「Sチャート」のサブセット版に相当するもので、ここで作成したデータはこれらのプログラムでそのまま読み込めます。 RC関連10項目・鉄骨関連4項目の計14項目の設計を行うことができます。

About

DRA AR

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・対応ファイル形式：mps、mpz ・対応OS：iOS/iPadOS15.0以降・対応2D要素：線分、円、円弧、楕円、楕円弧、ポリライン、文字・対応3D要素：ポリライン

Screenshots

スマホで構造計算3 screens

DRA AR4 screens

Verdict

The call

The clearest difference is update cadence: スマホで構造計算 at every 2 months against DRA AR's every 6 months. DRA AR's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

スマホで構造計算 ships an update every 2 months, DRA AR every 6 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 3 level

スマホで構造計算 versus DRA AR: the parameters behind the verdict, then further details
Parameter	スマホで構造計算	DRA AR
Price	Free	Free
Update frequency	Every 2 months — better	Every 6 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPad, iPod — better
Requires iOS	17.0	15.0 — better
Further details — not scored
Size	4 MB	6 MB
Age rating	4+	4+
Developer	株式会社ストラクチャー	株式会社建築ピボット

In-app purchases

None

スマホで構造計算

No in-app purchases

None

DRA AR

No in-app purchases

Questions

Is スマホで構造計算 free?

スマホで構造計算 is free to download, with no in-app purchases.

Is DRA AR free?

DRA AR is free to download, with no in-app purchases.

Do スマホで構造計算 or DRA AR have ads?

Neither スマホで構造計算 nor DRA AR shows ads.

Which is updated more often, スマホで構造計算 or DRA AR?

スマホで構造計算 ships an update every 2 months, and DRA AR every 6 months. Most recently, スマホで構造計算 was updated on November 2, 2026 and DRA AR on October 30, 2026.