Comparison

Construction Calculator Pro 2 vs RulerBasic

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

Head to head
About

Construction Calculator Pro 2

This app provides a comprehensive suite of 10 professional construction calculators for tradespeople and builders. It offers offline functionality, supports US and European standards, and allows for saving calculations and generating PDF reports. Get all the tools you need for the job site with a one-time purchase.

Highlights
  • 10 Professional Calculators
  • Offline Functionality
  • US & European Standards
  • Save Calculations
  • PDF Reports
  • Material Lists
  • Cost Estimation
Features
Read full description

The ultimate construction calculator trusted by contractors, builders, and tradespeople worldwide. All the calculations you need on the job site - working 100% offline without expensive subscriptions. EVERYTHING YOU NEED, NOTHING YOU DON'T - 10 Professional Calculators in One App - Works Offline - No Internet Required - US & European Standards (ACI, ASTM, Eurocode) - One-Time Purchase - NO MONTHLY FEES! COMPLETE CALCULATOR SUITE - Concrete Calculator - Volume, bags, mix ratios - Brick & Block - Quantity, mortar, patterns - Tile Calculator - Coverage, adhesive, grout - Paint Estimator - Coverage, coats, primer - Steel Rebar - Quantity, weight, spacing - Wood/Lumber - Board feet, joists, loads - Insulation - R-value, U-value, thickness - Stairs - Rise, run, stringers, code compliance - Roofing - Area, shingles, underlayment - Plumbing - Pipe sizing, slope, flow rates BUILT FOR THE FIELD Unlike desktop software or subscription apps that fail without internet, Construction Calculator Pro works everywhere - basements, new construction sites, remote locations. Your calculations, your device, no strings attached. PROFESSIONAL FEATURES - Quick Unit Conversion - Metric/Imperial toggle - Photo Integration - Document measurements - Save Calculations - Build project histories - PDF Reports - Professional estimates - Material Lists - Automated quantities - Cost Estimation - Track project budgets - Building Codes - US & EU standards WHO USES THIS APP - General Contractors - Estimate entire projects - Concrete Contractors - Calculate pours accurately - Framers - Determine lumber and fasteners - Electricians - Load calculations, wire sizing - Plumbers - Pipe sizing and slope calculations - DIY Enthusiasts - Professional results at home - Construction Students - Learn with real tools REAL FIELD TESTING Developed with input from actual contractors who were tired of: - Paying $50+/month for basic calculators - Apps that don't work without internet - Using 10 different calculators - Desktop software that's not mobile - Inaccurate free calculators KEY ADVANTAGES - Accuracy - Formulas based on industry standards - Speed - Quick access to any calculator - Reliability - Works anywhere, anytime - Value - One price for all features - Updates - Free updates with new features TECHNICAL SPECIFICATIONS - Supports both US (Imperial) and Metric units - Complies with latest building codes - Works on all iPhones and iPads (iOS 16+) - Optimized for one-handed operation - No account required - No data collection Join thousands of professionals who've eliminated subscription costs while getting better tools. Stop paying monthly for calculations you need daily. Buy once. Build forever.

About

RulerBasic

Features
Read full description

Turn your device into a simple on-screen ruler for quick everyday measurements. RulerBasic helps you check the size of small objects, compare lengths, and measure in centimeters or inches without extra tools. Open the app, place the object on the screen, and use a clean ruler view designed for fast, practical size checks. Why RulerBasic? • Clean digital ruler interface • Centimeter and inch measuring • Useful for desks, crafts, DIY, school, and quick size checks • Simple design with no unnecessary steps • Lightweight, fast, and easy to use Whether you are measuring stationery, small parts, craft materials, or everyday objects, RulerBasic gives you a handy measuring tool whenever you need one. Download RulerBasic and keep a practical ruler in your pocket.

Screenshots

Construction Calculator Pro 24 screens
RulerBasic4 screens

Verdict

The call

The clearest difference is price: RulerBasic at Free against Construction Calculator Pro 2's $0.99. RulerBasic also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (16.0 vs 18.4). Construction Calculator Pro 2's advantage is in-app purchases (none vs 4). On ads 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

RulerBasic is free to download; Construction Calculator Pro 2 costs $0.99 up front. RulerBasic sells 4 in-app purchases, starting at $2.99 per month. Construction Calculator Pro 2 asks for nothing beyond the download.

UpkeepUpdate frequency

Construction Calculator Pro 2 ships an update every 3 months, RulerBasic fortnightly. The most recent releases landed on September 9, 2026 and August 2, 2026 respectively.

Scorecard4 real differences · 6 level
Construction Calculator Pro 2 versus RulerBasic: the parameters behind the verdict, then further details
ParameterConstruction Calculator Pro 2RulerBasic
Price$0.99Free — better
Rating3.5 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.416.0 — better
Further details — not scored
Size4 MB15 MB
Age rating4+4+
DeveloperGrzegorz RakocaHakan Kaba

In-app purchases

None

Construction Calculator Pro 2

No in-app purchases

4 purchases

RulerBasic

Subscriptions1
  • Room Scan Pro$2.991 Month
One-time3
  • Small Tip$1.99
  • Medium Tip$4.99
  • Large Tip$9.99

Questions

Is Construction Calculator Pro 2 free?
Construction Calculator Pro 2 costs $0.99, with no in-app purchases.
Is RulerBasic free?
RulerBasic is free to download, with in-app purchases available.
Do Construction Calculator Pro 2 or RulerBasic have ads?
Neither Construction Calculator Pro 2 nor RulerBasic shows ads.
Which is updated more often, Construction Calculator Pro 2 or RulerBasic?
Construction Calculator Pro 2 ships an update every 3 months, and RulerBasic fortnightly. Most recently, Construction Calculator Pro 2 was updated on September 9, 2026 and RulerBasic on August 2, 2026.

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