Comparison

Perfect Structure vs Nivlok

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

Head to head
About

Perfect Structure

Design and optimize reinforced concrete columns and beams with support for multiple international design codes and languages. Generate reports in PDF, CSV, and DXF formats, and share them with colleagues. Offers a user-friendly interface for quick and flexible structural analysis.

Highlights
  • Reinforced concrete column and beam design
  • Support for 5 international design codes
  • Multilingual support (8 languages)
  • Output in PDF, CSV, and DXF formats
  • Modern and user-friendly interface
  • Design checks and optimal reinforcement calculation
Features
Read full description

Design and optimize reinforced concrete columns and beams easily with this App. . Language support for English, German, French, Italian, Spanish, Portuguese, Russian and Turkish. Supported design codes include ACI 318, Eurocode 2, BS 8110, SP 63.13330 and TS 500. Execute your design in seconds and receive the results in PDF, CSV and DXF formats. Share your calculation report with your colleagues over the internet. Fast and flexible. Key Features: - Modern and User Friendly Design - 5 Design Codes: ACI 318, Eurocode 2, BS 8110, SP 13330 and TS 500 - 8 Languages: English, German, French, Italian, Spanish, Portuguese, Russian and Turkish - 2 Units Systems: Metric (SI) & Imperial - 3 Different File Formats for Output: PDF, CSV, DXF - Reinforced Concrete Column Section Types: Rectangular, Circular, Hallow Rectangular and Hallow Circular - Reinforced Concrete Beam Section Types: Rectangular, T-beam, I-beam, Box-beam (Hollow Core) - Design of both singly and doubly reinforced beams - Draw interaction diagrams for columns - Checks given reinforcement against given loads and section parameters OR calculates optimal reinforcement amount against given loads - Calculates and checks both flexural reinforcement and shear reinforcement We hope you will enjoy using it and highly appreciate your valuable feedback. Perfect Structure is the ultimate tool for engineers to design and check the load bearing capacity of reinforced concrete members. Test your structure on the go! With its intuitive and contemporary interface, Perfect Structure brings the best of UX to your mobile phones and tablets. Execute your design and receive the results in PDF, CSV and DXF formats. Share your calculation report with your colleagues over the internet. Fast and flexible, Perfect Structure is the everyday tool for the perfect engineer who wants to have the mobility of a smartphone or a tablet without a compromise. Just launch your Perfect Structure app, use the buttons on the main screen for a column or a beam, select the section type, enter the dimension and load data, assign steel and concrete grades and leave the rest to your app by hitting the “Calculate” button. The results will be ready in moments with a clear and concise results screen. Then, select the PDF, CSV and DXF output options if you’d like to send the results to others, save the report in your project folder or inspect your column or beam layout in a CAD software. Use the settings page for a variety of options from user feedback to design code selection. See how your design complies with the design codes by getting the design check results according to the relevant code. Try and test different reinforcement bar arrangements and member dimensions to get to the optimal configuration. Phenomenally easy to use and flexible, Perfect Structure will get you to the result in a matter of seconds with a top-notch user experience. Tags: Reinforced Concrete Column Design, Reinforced Concrete Beam design, Reinforced Concrete, Structural Design, Structural Optimization, design of reinforced concrete members, PDF output, shear design, moment design, high strength concrete, high strength steel, reinforcement steel, column interaction diagram.

About

Nivlok

Features
Read full description

Your agent's working. Why are you stuck at the desk? You kicked off something long-running on your Mac — a build, a batch job, an AI coding agent you launched yourself. The machine is busy. You don't have to be. Nivlok turns your iPhone into a remote control for your Mac. Watch the screen live, and the moment your Mac needs the next instruction, deliver it from wherever you are: tap, point, click, type, or dictate your next prompt with voice input. The next word is yours — Nivlok just carries it. WHAT NIVLOK IS Nivlok is a screen viewer and input remote. Any AI or automation tools run on your Mac, started and driven by you. Nivlok has no built-in AI and never acts on its own: every click, keystroke, and command comes from your fingers (or your voice) on iPhone. SEE EVERYTHING, INSTANTLY - Live view of your Mac screen, streamed over WebRTC for low latency - Smooth video for fast-scrolling terminals and editors CONTROL IT YOUR WAY - Touch gestures mapped to pointer movement and clicks - Full keyboard input with modifier keys - Voice input: dictate long prompts instead of thumb-typing them - Custom shortcuts for the key combos you use all the time - Saved Macs: reconnect to your machines in seconds PRIVATE BY ARCHITECTURE - Direct device-to-device connection over WebRTC - No cloud relay — your screen never passes through our servers - No app account required - First pairing happens on your own Wi-Fi (same local network) - Reconnect to Saved Macs when iPhone and Mac are on the same Tailscale tailnet GETTING STARTED 1. Install the free Nivlok Host app on your Mac 2. Scan the QR code while iPhone and Mac share the same Wi-Fi 3. Done — your Mac is in your pocket PRICING Everything is unlocked for 24 hours after your first connection. After that, keep going with Nivlok Pro — a simple monthly or annual subscription. Eligible new subscribers can try either plan free for one month; then the selected plan renews automatically unless canceled. No tiers, no add-ons. REQUIREMENTS - A Mac running the free Nivlok Host app (Windows and Linux are not supported) - Same local network for first pairing; the same Tailscale tailnet for later reconnects Your Mac keeps working. So can you — from the sofa, the balcony, or the coffee shop downstairs. When it's time for the next instruction, you're already there. Mac and macOS are trademarks of Apple Inc., registered in the U.S. and other countries and regions. Terms of Use: https://remote-vibe-coding.co-routine.com/en/terms/ Privacy Policy: https://remote-vibe-coding.co-routine.com/en/privacy/

Screenshots

Perfect Structure4 screens
Nivlok4 screens

Verdict

The call

The clearest difference is ads: Nivlok at none against Perfect Structure's shown. Perfect Structure's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.0 vs 17.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Perfect Structure sells 1 one-off in-app purchase and Nivlok sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Perfect Structure ships an update every 2 days, Nivlok every 2 weeks. Both last shipped on October 11, 2026.

Scorecard3 real differences · 6 level
Perfect Structure versus Nivlok: the parameters behind the verdict, then further details
ParameterPerfect StructureNivlok
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size32 MB50 MB
Age rating4+4+
DeveloperGokhan Behcet Sahin株式会社coroutine

In-app purchases

1 purchases

Perfect Structure

One-time1
  • Perfect Structure Pro$8.99
3 purchases

Nivlok

Subscriptions3
  • Weekly Plan3 Days trial$1.997 Days
  • Monthly Plan1 Month trial$3.991 Month
  • Yearly Plan1 Month trial$24.991 Year

Questions

Is Perfect Structure free?
Perfect Structure is free to download, with in-app purchases available.
Is Nivlok free?
Nivlok is free to download, with in-app purchases available.
Do Perfect Structure or Nivlok have ads?
Perfect Structure shows ads; Nivlok does not.
Which is updated more often, Perfect Structure or Nivlok?
Perfect Structure ships an update every 2 days, and Nivlok every 2 weeks. Most recently, Perfect Structure was updated on October 11, 2026 and Nivlok on October 11, 2026.

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