Comparison

Smart Note Notepad vs Project Engineer

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

Head to head
About

Smart Note Notepad

Create visually appealing notes and memos using professionally designed coloring paper styles. This app offers a simple gallery interface for easy management and editing of your digital creations.

Highlights
  • Gallery interface
  • Customizable paper styles
  • Pinch to zoom
  • Edit cells
  • Draw memos
Features
Read full description

with simple and awesome gallery interface. make beautiful notes and memos with professionally designed coloring paper styles. thank you for your support ! relax and wonderful digital experience on iPhone and iPad ! How to use. pinch And stretch fingers to zoom, press hold or swipe to edit cells in collection, The Creativity Never Ends ! appreciate your encouragement with good comments.

About

Project Engineer

Features
Read full description

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 ↔ 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 …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

Screenshots

Smart Note Notepad4 screens
Project Engineer4 screens

Verdict

The call

The clearest difference is ads: Project Engineer at none against Smart Note Notepad's shown. Project Engineer also leads on update cadence (weekly vs every 5 months). On price, in-app purchases, device support and iOS requirement 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. Smart Note Notepad sells 1 one-off in-app purchase and Project Engineer sells 4 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Smart Note Notepad ships an update every 5 months, Project Engineer weekly. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 8 level
Smart Note Notepad versus Project Engineer: the parameters behind the verdict, then further details
ParameterSmart Note NotepadProject Engineer
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews10.4% of reviews—
Number of ratings1 — better—
Update frequencyEvery 5 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.1 — better15.1
Further details — not scored
Size22 MB73 MB
Age rating4+4+
DeveloperJIN HWAN KIMShaw Abrey

In-app purchases

1 purchases

Smart Note Notepad

One-time1
  • upgrade to pro$3.99
4 purchases

Project Engineer

Subscriptions4
  • Pro7 Days trial$5.991 Month
  • Premium7 Days trial$12.991 Month
  • Pro (Annual)7 Days trial$49.991 Year
Show 1 more
  • Premium (Annual)7 Days trial$99.991 Year

Questions

Is Smart Note Notepad free?
Smart Note Notepad is free to download, with in-app purchases available.
Is Project Engineer free?
Project Engineer is free to download, with in-app purchases available.
Do Smart Note Notepad or Project Engineer have ads?
Smart Note Notepad shows ads; Project Engineer does not.
Which is updated more often, Smart Note Notepad or Project Engineer?
Smart Note Notepad ships an update every 5 months, and Project Engineer weekly. Most recently, Smart Note Notepad was updated on October 16, 2026 and Project Engineer on October 8, 2026.

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