Comparison

Structural Analyzer vs NetDoctor

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

Head to head
About

Structural Analyzer

Features
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Powerful Structural Analysis in Your Pocket Engineered for civil and structural engineers, architects, and students, this app provides a high-fidelity solver for complex structural members. Whether you are performing a quick site check or verifying a design, our dual-engine approach (Analytical & Matrix FEA) ensures reliable results on the go. CORE FEATURES: Structure Types: Supports Multi-span Continuous Beams, Fixed-end Beams, and Rigid Portal Frames. Real-time Diagrams: View Bending Moment Diagrams (BMD), Shear Force Diagrams (SFD), Axial Force Diagrams (AFD), and Elastic Deflection curves instantly as you update loads. Advanced Solver: Uses the Direct Stiffness Method (DSM) with Timoshenko Beam Theory for precise results, including shear deformation. Universal Load Manager: Apply multiple point loads and varying distributed loads (UDL/VDL) across any member. Member Design: Send your structure to designated design app for detailed design. IMPORTANT DISCLAIMER & LIMITATION OF LIABILITY: This application is intended for educational and preliminary verification purposes only. The results provided are based on mathematical models and the Finite Element Method; however, software bugs, floating-point errors, or input misinterpretations may occur. This app is NOT a substitute for professional engineering judgment or certified structural design software. All results MUST be verified by a licensed Professional Engineer (PE/SE) before being used in any construction or real-world application. The developer assumes no responsibility or liability for any errors, omissions, or damages resulting from the use of this app or its calculations. Use at your own risk.

About

NetDoctor

Features
Read full description

Why is my Wi-Fi slow? NetDoctor finds out. One tap runs a full check-up of your home network and tells you, in plain language, whether the problem is your Wi-Fi, your router, your internet provider or DNS — and what to do next. DIAGNOSIS, NOT JUST NUMBERS • A health score with the evidence behind it • Clear answers like "Your Wi-Fi is fine. Your DNS is slow." • Confidence level and step-by-step fixes WHAT NETDOCTOR CHECKS • Phone → router latency, jitter and packet loss • Internet latency and stability • DNS speed compared with Cloudflare, Google and Quad9 • Download and upload speed • Sign-in pages, VPN, IPv6 and Low Data Mode WI-FI OR PROVIDER? WE CAN TELL Run the same test on Wi-Fi and on cellular to see where the problem really is. FIND WEAK SPOTS AT HOME Wi-Fi Health Map: test each room and see which ones need help — based on real performance, not just signal bars. SEE EVERY DEVICE ON YOUR NETWORK Router, Apple TV, printers, speakers, smart home and more. New devices are highlighted — without scary "you've been hacked" alarms. LAG UNDER LOAD The bufferbloat test explains "500 Mbps, but my game still lags." HISTORY See when your network got worse: "Health dropped from 94 to 61." PRIVATE BY DESIGN No account. No cloud. No ads. No tracking. Your diagnostics stay on your iPhone. CATCH DROPOUTS THAT COME AND GO — NEW Calls freeze and games lag, but a speed test looks fine? Connection Monitor checks your router and the internet every second for 5 to 60 minutes, then tells you whether the dropouts happen on your Wi-Fi or at your provider. Your first session is free. DID THE FIX WORK? — NEW After you try a fix, check again and see your result before and after. READY FOR IPHONE DUO Two columns on the large inner screen. NETDOCTOR PRO — PAY ONCE Wi-Fi Health Map, lag-under-load test, DNS Compare, unlimited history and trends, device naming and shareable reports. One-time purchase, no subscription. Try each Pro test once for free. Speed tests use Cloudflare's public speed servers and use mobile data when you're on cellular. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bmit-mob.web.app/net-doctor/privacy-policy.html

Screenshots

Structural Analyzer4 screens
NetDoctor4 screens

Verdict

The call

The clearest difference is price: NetDoctor at Free against Structural Analyzer's $3.99. Structural Analyzer's advantage is in-app purchases (none vs 1) and update cadence (every 6 days vs every 3 weeks). On ads there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

NetDoctor is free to download; Structural Analyzer costs $3.99 up front. NetDoctor sells 1 one-off in-app purchase. Structural Analyzer asks for nothing beyond the download.

UpkeepUpdate frequency

Structural Analyzer ships an update every 6 days, NetDoctor every 3 weeks. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

Scorecard5 real differences Ā· 1 level
Structural Analyzer versus NetDoctor: the parameters behind the verdict, then further details
ParameterStructural AnalyzerNetDoctor
Price$3.99Free — better
Update frequencyEvery 6 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size10 MB5 MB
Age rating4+4+
DeveloperKa Wai MiuNguyen SonTung

In-app purchases

None

Structural Analyzer

No in-app purchases

1 purchases

NetDoctor

One-time1
  • NetDoctor Pro$5.99

Questions

Is Structural Analyzer free?
Structural Analyzer costs $3.99, with no in-app purchases.
Is NetDoctor free?
NetDoctor is free to download, with in-app purchases available.
Do Structural Analyzer or NetDoctor have ads?
Neither Structural Analyzer nor NetDoctor shows ads.
Which is updated more often, Structural Analyzer or NetDoctor?
Structural Analyzer ships an update every 6 days, and NetDoctor every 3 weeks. Most recently, Structural Analyzer was updated on October 31, 2026 and NetDoctor on November 1, 2026.

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