Deflection Lite vs スマホで構造計算
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deflection Lite
This app provides interactive and precise structural beam analysis. Easily visualize beam bending by dragging loads and supports, and calculate key engineering results like reactions, shear force, and bending moment.
- Interactive beam bending visualization
- Calculate reactions, shear force, and bending moment
- Built-in cross-section databases
- Unlimited loads and supports
- Export design to shareable permalink
- Metric and standard units
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Deflection Lite is the most interactive, fast, and precise app available for structural beam analysis. Simply drag loads and supports on the beam, and see how it bends. RESULTS Calculate reactions, shear force, bending moment, and beam deflection quickly and easily. CROSS SECTION DATABASES Specify elastic modulus and moment of inertia values directly, or find common shapes and materials using the built-in databases, which include most international steel sections, as well as some aluminum and wood shapes. UNLIMITED LOADS AND SUPPORTS Simply drag any load or support on the beam. • Concentrated point loads • Distributed loads • Moment loads • Simple supports • Fixed supports • Fixed hinges • Floating Gerber hinges OTHER FEATURES • Export your design to a permalink that you can share. • Automatic detection of local maxima and minima in diagrams • Metric and standard measurement units CONTACT We like to hear from you! Please email contact@ketchep.com if you have any issues, questions, or comments.
スマホで構造計算
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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。
Screenshots
Verdict
Deflection Lite and スマホで構造計算 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Deflection Lite ships an update every 3 months, スマホで構造計算 every 2 months. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.
| Parameter | Deflection Lite | スマホで構造計算 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (46 ratings) — better | — |
| Positive reviews | 44.4% of reviews | — |
| Number of ratings | 46 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 108 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Blue Ketchep | 株式会社ストラクチャー |
In-app purchases
Deflection Lite
No in-app purchases
スマホで構造計算
No in-app purchases









