Structural Engineering lite vs StrucMaster HD
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Structural Engineering lite
This app provides engineers with essential structural formulas and calculations for civil construction projects. It offers instant results, demand/capacity checks, and a built-in database of materials and sections, all accessible on mobile devices.
- 59 structural formulas (AISC/ACI)
- Instant demand/capacity checks
- Built-in AISC section database
- Material and code references
- USCS & SI unit support
- Pass/Fail visual indicator
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Structural Engineering Calculator delivers 59 AISC and ACI structural formulas with instant results, demand/capacity checks, a built-in AISC section database, and material references — all in one app. Whether you’re on site, in the office, or reviewing drawings, every calculation you need is in your pocket. 59 STRUCTURAL FORMULAS COLUMNS Critical Ratio (Cc), Effective Length Factor (K), Slenderness Ratio (KL/r), Allowable Compressive Stress (Sr less than Cc), Allowable Compressive Stress (Sr greater than Cc), Safety Factor, Maximum Axial Load. BEAMS Shear Capacity of Flexural Members, Allowable Bending Stress (Compact and Noncompact), Moment Gradient Factor (Cb), Allowable Flange Bending Stress, Plastic Moment (Mp), Lateral Unbraced Lengths (Lp and Lr), Limiting Buckling Moment (Mr), Nominal Moment (Mn), Critical Elastic Moment (Mcr), Allowable Shear Stress, Beam Deflection for UDL and Point Load. BASE PLATES Base Plate Area, Plate Thickness, Bearing Pressure, Flange and Web Thickness, Plate Dimensions N and B. COMPOSITE BEAMS Horizontal Shear for Concrete and Steel, Number of Shear Connectors, Transformed Section Properties, Modular Ratio, Elastic Neutral Axis. CONNECTIONS Allowable Shear with Tension Field Action, Allowable Bearing Stress for Rollers and Rockers, Axial Stress for Concentrated Loads, Allowable Bearing Stress on Fasteners, Number of Shear Connectors, Total Horizontal Shear. AISC CODE REFERENCES Every formula links directly to AISC/ACI clauses — AISC 360-16, AISC ASD 9th Edition, ACI 318-19, and AISC Design Guide 3. PASS / FAIL CHECK Instant visual adequacy check with demand/capacity ratio — green for PASS, red for FAIL. AISC SECTION PICKER Browse W-shapes (AISC 15th Edition) and auto-fill section properties instantly. REFERENCE TAB Built-in library with W-sections (W4–W44), ASTM materials (A36, A992, A572, A500, A325, A490, F1554), weld electrodes, concrete grades, and codes. USCS & SI UNITS Switch anytime between inches/ksi and mm/MPa with automatic conversion. All section and material data included. Supports both USCS and SI units. Compatible with iPhone and iPad. Pay once — no subscriptions. References: AISC Steel Construction Manual 15th Edition, AISC 360-16, AISC ASD 9th Edition, ACI 318-19, AISC Design Guide 3.
StrucMaster HD
This app allows users to define and analyze structural mechanics problems on their iPad. It offers powerful functions for internal force diagrams, dynamics, influence lines, and stability analysis, with detailed solving steps provided by AI. Users can create complex structures with non-integer element lengths.
- Define custom structures
- Internal force diagram analysis
- Dynamics and stability analysis
- Influence line calculations
- AI-powered detailed solving steps
- MultiSelect command for complex structures
- Offline analysis
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【Introduction】 You will enjoy the procedure of defining your own structure with only several steps and have it analyzed by this StrucMaster HD. Powerful functions inside can deal with internal force diagram, dynamics, influence line and stability analysis. The Intelligence part can provide detailed solving steps. The MultiSelect command can help you establish the large structure just as in CAD, it can also help designers define structures with non-integer length elements. All of the procedures are done by the artificial intelligence in your iPad, no matter whether you are connected to the Internet. Convenient, powerful, no delays, what are you waiting for? Actually, you can download another app, named StrucMaster, if you want to analyze the structure on your iPhone. But the iPad version is more elegant, which takes us most of efforts. If you have any question, you can contact us by our e-mail address structuremaster@163.com or tell us in Facebook. Our Facebook website: https://www.facebook.com/StrucMaster
Screenshots
Verdict
The clearest difference is rating: Structural Engineering lite at 4.2 against StrucMaster HD's 2.3. Structural Engineering lite also leads on ratings volume (19 vs 3) and review sentiment (60% vs 50%). StrucMaster HD's advantage is ads (none vs shown) and monetization model (free vs free with in-app purchases). On price, 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
Both are free to download. Structural Engineering lite sells 1 one-off in-app purchase and StrucMaster HD sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Structural Engineering lite holds the better App Store score, 4.2 against 2.3. That said, the two scores are not equally well evidenced: Structural Engineering lite has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of Structural Engineering lite's written reviews are positive against 50% of StrucMaster HD's.
Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 7, 2026 and September 24, 2026 respectively.
| Parameter | Structural Engineering lite | StrucMaster HD |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (19 ratings) — better | 2.3 (3 ratings) |
| Positive reviews | 60.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 19 — better | 3 |
| Update frequency | Every 6 months | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad — better | iPad |
| Requires iOS | 17.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 86 MB |
| Age rating | 4+ | 4+ |
| Developer | V PUGAZHENTHI | 颖达 陈 |
Customer experience
Structural Engineering lite
StrucMaster HD
In-app purchases
Structural Engineering lite
- Structural Engineering Calc.$5.99
StrucMaster HD
- Advanced Function Forever$3.99
Questions
Is Structural Engineering lite free?
Is StrucMaster HD free?
Which has better reviews, Structural Engineering lite or StrucMaster HD?
Do Structural Engineering lite or StrucMaster HD have ads?
Which is updated more often, Structural Engineering lite or StrucMaster HD?
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