Comparison

Construction Calculator vs PowerOne calculator

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

Head to head
About

Construction Calculator

This tool simplifies complex construction calculations, offering conversions between various measurement formats. It provides an elegant interface for users in construction, woodworking, and education to perform and check calculations.

Highlights
  • Feet Inch Fraction calculations
  • Decimal to fraction conversion
  • Fraction to decimal conversion
  • Supports multiple dimensional formats
  • Elegant and intuitive interface
  • Advanced editing capabilities
Features
Read full description

Award Winning Feet Inch Fraction Construction Calculator for iPhone and iPad. Designed with simplicity, usability and beauty in mind! FEATURES: - Elegant & Intuitive interface - Decimal to fraction converter - Fraction to decimal conversion - Displays both the equation & the result at the same time - Advanced editing by easily going back and forth - Can be added to Today Screen Ideal for those who work in construction, woodworking and for students to check up their homework! If you are looking for more advanced features you can upgrade to one or more of the following: - Stairs Calculator - Common Rafter Calculator - Hip/Valley Rafter Calculator - Triangle Calculator - Circular Calculator - Arc Calculator - Work in and convert between all building dimensional formats: feet-inch-fractions, inch fraction, yards, decimal feet (10th, 100th), decimal inches and metric (km, m, cm, mm) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

PowerOne calculator

This app offers a powerful calculator with hundreds of pre-built templates for finance, engineering, and more. Users can also create custom calculations for specific needs, ensuring accuracy and speed for repetitive tasks. Access your calculations across devices, online or offline.

Highlights
  • Hundreds of pre-built calculation templates
  • Create custom calculation templates
  • Standard and RPN calculator modes
  • Cross-device syncing (iPhone, iPad, Mac, Web)
  • Offline access
  • Template sharing for teams
  • Customizable themes
Features
Read full description

Download hundreds of calculations or create your own with PowerOne® calculator. • Several-time Apple staff pick + Best of 2010 • "The crème de la crème of calculators" – AppAdvice • "Incredibly powerful tool for calculations of all kinds." – Smokin' Apps • "You need this calculator. It's miles better than the competition." – Robert Burns • "… sets the benchmark for other calculators to reach." – Fred Swan • "Not sure how I could do my job without PowerOne." – Arvid Martin • "A legend. The best … calculator app I have ever seen." – Worldwide Tech • "… PowerOne shines." – The Mac Observer BENEFITS/FEATURES • Quick and accurate. Templates act similar to locked-down, mini-spreadsheets that increase accuracy and speed for repetitive calculations. Enter the data you know. PowerOne will calculate the rest. • For those one-off calculation needs, PowerOne provides a powerful standard and RPN calculator. Over a hundred functions to help with virtually anything: basic math, powers, logs, trigonometry, probability, programmer’s math, fractions, and Imperial and metric units. • Get up and running fast with hundreds of pre-created templates in PowerOne's extensive library. Covers everything: finance, conversions, real estate, business, investing, construction, engineering, health, fitness, and more. • While some calculations are common, there are millions more specific to you or your business. With PowerOne, it is easy to create powerful templates of your own using our intuitive language. You, your team, and your customers can perform their own calculations without ever having to think about the math. • Access PowerOne everywhere. Whether on the go with your iPhone or iPad, on your M1 Mac, or at your desk on the web, PowerOne makes sure your critical calculations are available at your fingertips, offline or on. • Keep everyone on the same page. Share your templates with your team and customers, ensuring that everyone is performing the same error-free calculations every single time. • Highly customizable. Go beyond templates with expanded calculator functions and themes! Match your mood and make it the product you want to use every day. After more than 25 years and over 30 million software calculators distributed, PowerOne has earned its reputation for high-quality apps. We'd love to hear from you. Please visit us at https://power.one, or share ideas, get help, and resolve problems by emailing us at help@power.one. PRIVACY PowerOne uses anonymous accounts so we don't know who you are but still provide great benefits such as syncing across devices. AVAILABLE FOR FREE • Run PowerOne offline on your iPhone, iPad or M1 Mac • Run PowerOne online at https://power.one • Full-featured standard and RPN calculator (iOS only) • Access to over 200 library templates • Sample creating your own templates • Share template results via email • Go light or dark with your choice of two themes • Keep your devices in sync automatically AVAILABLE IN PREMIUM • Over 300 library templates • Create your own templates without limit • Share templates with other Premium subscribers • Access any of the built-in extensions to share or save your results • Choose from 12 themes to customize PowerOne • Support independent iOS developers and your favorite calculator's development! SUBSCRIPTION DETAILS PowerOne is free to use with some features available via monthly or annual subscription. Payment will be charged to your iTunes account at confirmation of purchase and your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. Automatic renewals will be charged at the same price you were originally charged for the subscription. Please note that subscriptions can be managed by choosing that option via Account within PowerOne or via Account Settings on the App Store after purchase. Terms: https://power.one/terms Privacy Policy: https://power.one/privacy

Screenshots

Construction Calculator4 screens
PowerOne calculator4 screens

Verdict

The call

The clearest difference is update cadence: Construction Calculator at every 5 days against PowerOne calculator's every 3 months. On price, rating, review sentiment and ratings volume 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. Construction Calculator sells 8 in-app purchases, starting at $4.99 per month and PowerOne calculator sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Construction Calculator against 4.6 for PowerOne calculator. Both are backed by a comparable volume of ratings — 674 and 806 respectively. Written reviews are what separate them: 54% of Construction Calculator's written reviews are positive against 50% of PowerOne calculator's.

UpkeepUpdate frequency

Construction Calculator ships an update every 5 days, PowerOne calculator every 3 months. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

Scorecard1 real difference · 9 level
Construction Calculator versus PowerOne calculator: the parameters behind the verdict, then further details
ParameterConstruction CalculatorPowerOne calculator
PriceFreeFree
Rating4.7 (674 ratings) — better4.6 (806 ratings)
Positive reviews53.7% of reviews — better50.5% of reviews
Number of ratings674806 — better
Update frequencyEvery 5 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.6
Further details — not scored
Size50 MB6 MB
Age rating+44+
DeveloperxNeat.comCrafty Weasel, LLC

Customer experience

Construction Calculator

All ratings674 ratings
Positive91.4%
Neutral3.3%
Negative5.3%
Written reviews136 reviews
Positive53.7%
Neutral4.4%
Negative41.9%

PowerOne calculator

All ratings803 ratings
Positive91.9%
Neutral1.7%
Negative6.4%
Written reviews103 reviews
Positive50.5%
Neutral5.8%
Negative43.7%

User reviews

Construction Calculator

From 674 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quick and accurate calculations
  • 💡 Helpful for construction work
  • 🎨 Customizable colors

Room to improve

  • 💰 Subscription model is too expensive
  • 🔒 Paywall locks out useful features
  • 🔄 Forced updates break existing functionality
  • 🤯 Confusing and difficult to navigate

PowerOne calculator

From 806 App Store ratings

What we love

  • 🚀 Powerful and versatile calculator
  • 👍 Extensive template library
  • 🚀 Customizable keyboard and layout
  • 👍 Helpful customer support
  • 🚀 Syncing across devices

Room to improve

  • 🔒 Requires account login
  • 👎 Subscription pricing model
  • 👎 Cluttered and less user-friendly interface
  • 👎 Removed features from previous versions
  • 🐛 Bugs and glitches

Bugs and requests

Construction Calculator

Reported bugs

3 issues
  • Calculation errors and incorrect results
  • Freezing and crashing on certain devices
  • Compatibility issues with newer OS versions

Requested features

4 requests
  • Bring back fraction display in results
  • Allow offline use without subscription
  • Add more construction-specific tools
  • Improve user interface and usability

PowerOne calculator

Reported bugs

4 issues
  • Calculator not accessible after update
  • Templates disappearing after update
  • Incompatibility with iOS 16
  • Calculation errors in certain templates

Requested features

4 requests
  • Landscape mode support
  • Ability to reorganize templates
  • Restore previous version's interface
  • Retain access to purchased features

In-app purchases

8 purchases

Construction Calculator

Subscriptions2
  • Construction Calculator3 Days trial$4.991 Month
  • Construction Calculator7 Days trial$39.991 Year
One-time6
  • Themes$1.99
  • Calculator Plus$3.99
  • Rafter$4.99
Show 3 more
  • Stair Calculator$4.99
  • Fraction Calculator$9.99
  • Construction Calculator2 variants$14.99
2 purchases

PowerOne calculator

Subscriptions2
  • Monthly Premium Subscription$2.991 Month
  • Annual Premium Subscription$19.991 Year

Questions

Is Construction Calculator free?
Construction Calculator is free to download, with in-app purchases available.
Is PowerOne calculator free?
PowerOne calculator is free to download, with in-app purchases available.
Which has better reviews, Construction Calculator or PowerOne calculator?
Construction Calculator is rated higher. Construction Calculator averages 4.7 out of 5 from 674 ratings, while PowerOne calculator averages 4.6 from 806 ratings.
Do Construction Calculator or PowerOne calculator have ads?
Neither Construction Calculator nor PowerOne calculator shows ads.
Which is updated more often, Construction Calculator or PowerOne calculator?
Construction Calculator ships an update every 5 days, and PowerOne calculator every 3 months. Most recently, Construction Calculator was updated on November 2, 2026 and PowerOne calculator on October 29, 2026.

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