Comparison

Calculator + vs Chippy Tools

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

Head to head
About

Calculator +

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Highlights
  • Free basic and scientific calculator
  • Intuitive interface with equation and result display
  • Fraction and percent support
  • Advanced editing capabilities
  • Polynomial and linear equation solver
  • Graphing calculator
  • Unit conversion and geometric calculators
Features
Read full description

Award winning calculator app for iPad and iPhone. Designed with simplicity, usability and beauty in mind! FEATURES: - Free basic calculator - Free scientific calculator - Elegant & Intuitive interface - Advanced editing by easily going back and forth - Displays both the equation & the result at the same time - Supports Fraction & Percent - Supports many scientific functions If you are looking for more advanced features you can upgrade to one or more of the following: - Fraction Calculator with feet, inches & cm support! - Solving for x with a polynomial Calculator for solving quadratic & cubic equations 2x³ - 4x² - 22x + 24 = 0 - Linear Equations Solver for solving system of linear equations 2x – y = 9 3x + 4y = –14 - Graphing Calculator to find the local min, max & intersection points y = 2x³ – 4x (x² + y²)³ = -27y²x² - Triangle Calculator - Cone Calculator - Arc Calculator - Circle Calculator - Base Converter ( HEX OCT BIN DEC ) - Multiple themes Enjoy the FREE Scientific calculator on your iPhone & iPad. If you like it, support us by upgrading or giving us a positive review. Thanks :) Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Chippy Tools

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

Highlights
  • Baluster spacing calculator
  • Flat run attached baluster calculator
  • Square calculator
  • Concrete calculator
  • Stair calculator
  • Supports millimeters, feet, and inches
Features
Read full description

Chippy Tools is the must-have calculator for carpenters and handy folks looking to simplify math on the job. Whether you're on your iPhone or iPad, Chippy Tools is for you. Its user-friendly design lets you focus on carpentry while the app handles the math. Perfect for architects, builders, carpenters, construction workers, contractors, designers, engineers, tradespeople, and woodworkers of all kinds, Chippy Tools speeds up common calculations with precision. Save time and cut costs by reducing site errors. WHAT IS A CHIPPY? In Australia, carpenters are often called Chippy. WHY CHIPPY TOOLS? Our mission at Chippy Tools is to redefine top-notch apps for carpenters. We aim to develop a sustainable business model, adding new calculations to keep saving you time and money. FEATURES • Baluster spacing calculator - Quickly calculate spacing for flat runs. • Flat run attached baluster calculator - Simple, fast calculations for attached balusters. • Supports millimeters, feet, and inches. PREMIUM FEATURES (Requires Subscription) • Square calculator - Ensure structures are perfectly square. • Concrete calculator - Calculate concrete needed for slabs and posts. • Dumpy level calculator - Find relative level from benchmarks. • Equal spacing calculator - Calculate even spacing effortlessly. • Gravel calculator - Determine gravel volume needed. • Pitch calculator - Calculate pitch with rise and run. • Raked wall calculator - Measure raked walls using height or pitch. • Running calculations - Enter start number and interval. • Soil calculator - Find soil volume for landscaping. • Stair calculator - Calculate going, stringer, and rise for stairs. • Triangle calculator - Solve triangle measurements with ease. FEEDBACK Want a new calculator? Email us at feedback@chippy.tools. NO ADS EVER We promise no ads in Chippy Tools. Enjoy the best experience for your purchase. SUPPORT Got questions or feedback? Contact us for free tech support at support@chippy.tools. If Chippy Tools aids you, please leave an App Store review to help others find it. Subscription Terms of Service: https://chippy.tools/terms/ Proudly made in Brisbane, Australia.

Screenshots

Calculator +1 screens
Chippy Tools4 screens

Verdict

The call

The clearest difference is ads: Chippy Tools at none against Calculator +'s shown. Calculator +'s advantage is review sentiment (85% vs 55%) and ratings volume (10K vs 905). On price, rating, in-app purchases and monetization model 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. Calculator + sells 12 in-app purchases, starting at $4.99 per month and Chippy Tools sells 9 in-app purchases, starting at $2.99 per 7 days. 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 — 4.6 for Calculator + against 4.5 for Chippy Tools. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 905, so its average is the more settled of the two. Written reviews are what separate them: 85% of Calculator +'s written reviews are positive against 55% of Chippy Tools's.

UpkeepUpdate frequency

Calculator + ships an update every 4 days, Chippy Tools every 8 days. Both last shipped on September 24, 2026.

Scorecard4 real differences · 6 level
Calculator + versus Chippy Tools: the parameters behind the verdict, then further details
ParameterCalculator +Chippy Tools
PriceFreeFree
Rating4.6 (10K ratings) — better4.5 (905 ratings)
Positive reviews84.9% of reviews — better55.2% of reviews
Number of ratings10K — better905
Update frequencyEvery 4 days — betterEvery 8 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.0 — better
Further details — not scored
Size48 MB46 MB
Age rating4+4+
DeveloperxNeat.comPeth Pty Ltd

Customer experience

Calculator +

All ratings10,020 ratings
Positive91.7%
Neutral2.9%
Negative5.4%
Written reviews940 reviews
Positive84.9%
Neutral4.0%
Negative11.1%

Chippy Tools

All ratings905 ratings
Positive88.6%
Neutral3.0%
Negative8.4%
Written reviews58 reviews
Positive55.2%
Neutral5.2%
Negative39.7%

User reviews

Calculator +

From 10K App Store ratings

What we love

  • 👍 Great features and easy to use
  • 👍 Efficient and quick
  • 👍 Versatile, functional calculator
  • 👍 Fantastic, easy to use app
  • 👍 Awesome calculator app

Room to improve

  • 🐛 New updated layout is awful
  • 🐛 App is now terrible
  • 🔒 Paying customer screwed over by update
  • 🔒 Now timed trial, no free w/ads version
  • 🔒 Not honest

Chippy Tools

From 905 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Quick and efficient
  • 💡 Useful construction tools
  • 🙌 Great for DIY projects

Room to improve

  • 🤔 Confusing interface
  • 💰 Expensive subscription
  • 🐛 Inaccurate calculations
  • 🔒 Difficult to cancel subscription

Bugs and requests

Calculator +

Reported bugs

5 issues
  • Fraction calculator has TWO subtraction buttons and NO division button
  • Decimals seem to be changed to fraction with no apparent way of changing it back
  • Functionality is dropped by forcing you to the main menu every time you open it
  • Currency converter broken
  • Login screen freezes

Requested features

5 requests
  • Add mod function
  • Add commas
  • Add 1/x function
  • Support for Retina Display
  • Add number 4 with two lines

Chippy Tools

Reported bugs

2 issues
  • Square check feature not working
  • Measurements disappear after partial use

Requested features

4 requests
  • Add more construction-related calculators
  • Improve stair and rafter tools
  • Include material quantity estimations
  • Add support for metric and imperial units

In-app purchases

12 purchases

Calculator +

Subscriptions2
  • Scientific Calculator3 Days trial$4.991 Month
  • Calculator7 Days trial$39.991 Year
One-time10
  • Linear Calculator$2.99
  • Factoring Calculator$2.99
  • Handwriting Calculator$2.99
Show 7 more
  • Currency Converter$2.99
  • Themes Pack$2.99
  • Graphing Calculator$3.99
  • Fraction Calculator$3.99
  • Scientific Calculator$4.99
  • Calculator Plus$4.99
  • Calculator$16.99
9 purchases

Chippy Tools

Subscriptions8
  • Chippy Tools Pro - Weekly1 Month trial$2.997 Days
  • Chippy Tools Pro - Weekly3 Days trial$3.997 Days
  • Chippy Tools Pro - Quarterly3 Months trial$4.993 Months
Show 5 more
  • Chippy Tools Pro - Monthly$5.991 Month
  • Chippy Tools Pro - Monthly1 Month trial$5.991 Month
  • Chippy Tools Pro - Annual3 Days trial$19.991 Year
  • Chippy Tools Pro - Annual1 Year trial$19.991 Year
  • Chippy Tools Pro - Annual$19.991 Year
One-time1
  • One Time Purchase2 variants$85.00

Questions

Is Calculator + free?
Calculator + is free to download, with in-app purchases available.
Is Chippy Tools free?
Chippy Tools is free to download, with in-app purchases available.
Which has better reviews, Calculator + or Chippy Tools?
Calculator + is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while Chippy Tools averages 4.5 from 905 ratings.
Do Calculator + or Chippy Tools have ads?
Calculator + shows ads; Chippy Tools does not.
Which is updated more often, Calculator + or Chippy Tools?
Calculator + ships an update every 4 days, and Chippy Tools every 8 days. Most recently, Calculator + was updated on September 24, 2026 and Chippy Tools on September 24, 2026.

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