ReinforcingConcreteDesign vs Project Engineer
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ReinforcingConcreteDesign
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Effortlessly calculate the crack width of concrete under service loads with precision and compliance. This application follows the standards of BS EN 1992 and the superseded BS 8110 Part 2, making it a reliable tool for engineers and professionals. Dynamic Real-Time Updates: As you input or modify values, such as service loads, the crack width calculations are instantly updated in real time, providing a seamless and interactive experience. PDF Functionality: Easily preview, share, and edit your calculations in PDF format. This feature ensures your work is well-organized and shareable for presentations, submissions, or records. Customizable Job Information: Personalise your calculations with detailed job information: Add the Project Name for easy identification. The Date is auto-populated for convenience. Include specific Project Details to give context to your calculations. Designed to meet the needs of structural engineers and construction professionals, this app simplifies crack width calculations while enhancing efficiency and accuracy.
Project Engineer
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Project Engineer is a complete engineering toolkit for iPhone and iPad: hundreds of technical calculators across the disciplines you actually use, in one clean, fast, results-focused app. No more juggling spreadsheets, textbooks, lookup tables, and one-off websites. Enter your inputs and get clear, instantly readable results, with the theory and equations behind every answer. INSTANT METRIC β IMPERIAL Switch any input or result between metric and imperial units with a single tap. No re-typing, no manual conversions. Every value updates on the spot. BUILT FOR REAL ENGINEERING WORK Project Engineer spans civil, structural, environmental, mechanical, electrical and more, for example: - Manning's equation for pipe and open-channel flow - Hydraulics, hydrology & stormwater - Structural steel, reinforced concrete & connections - Geotechnical, foundations & retaining walls - Thermodynamics, heat transfer & fluid mechanics - Roads, traffic & geometric design - Electrical, building services & acoustics - Mathematics, numerical methods & statistics - Solar position & PV sizing β¦and many more, with new calculators on the way. SEE THE WORKING Every calculator includes a theory section with the governing equations, variable definitions and reference sources, so you can see exactly how a result was reached and check it against your own working. LIVE-DATA TOOLS (PREMIUM) A standout you won't find in ordinary calculator apps: calculators that pull real-world climate and environmental data from live sources to give site-specific results, including rainwater tank sizing, irrigation demand, reservoir yield and pond-level exceedance. Turn textbook formulas into answers grounded in the real conditions at your location. DESIGNED FOR CLARITY & SPEED - Instant metric/imperial switching on every value - A consistent, distraction-free layout so the answer is always front and centre - Fast, on-device calculations - Save your results and sync them across devices - Mark favourites for the tools you use most SIMPLE, FAIR PLANS - Free: a selection of calculators to get started - Pro: the full standard library, unlimited saved results, favourites, and cloud sync - Premium: everything in Pro, plus live-data tools and early access to new features WHO IT'S FOR Practising engineers, designers, drafters, technicians, and engineering students who want dependable calculations without the clutter, at the desk or in the field. Project Engineer is a calculation aid. Results should be checked and applied by a suitably qualified person in line with the relevant codes and standards. Project Engineer continues to improve based on your feedback. Have a request or spotted something? Reach us anytime through the in-app contact form. Subscriptions are auto-renewable and billed through your Apple ID; they renew unless cancelled at least 24 hours before the period ends, and you can manage or cancel anytime in your device settings. Terms of Service: https://projectengineer.app/terms Privacy Policy: https://projectengineer.app/privacy
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Verdict
The clearest difference is in-app purchases: ReinforcingConcreteDesign at none against Project Engineer's 4. Project Engineer's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Project Engineer sells 4 in-app purchases, starting at $5.99 per month. ReinforcingConcreteDesign asks for nothing beyond the download.
ReinforcingConcreteDesign ships an update monthly, Project Engineer weekly. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.
| Parameter | ReinforcingConcreteDesign | Project Engineer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Weekly β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 16.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 2 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | CRAIG M SINCLAIR | Shaw Abrey |
In-app purchases
ReinforcingConcreteDesign
No in-app purchases
Project Engineer
- Pro7 Days trial$5.991 Month
- Premium7 Days trial$12.991 Month
- Pro (Annual)7 Days trial$49.991 Year
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- Premium (Annual)7 Days trial$99.991 Year
Questions
Is ReinforcingConcreteDesign free?
Is Project Engineer free?
Do ReinforcingConcreteDesign or Project Engineer have ads?
Which is updated more often, ReinforcingConcreteDesign or Project Engineer?
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