Comparison

inchCALC+ vs Scheffres+

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

Head to head
About

inchCALC+

This app is a professional-level calculator designed for working with feet, inches, and fractions, commonly used in construction and DIY projects. It simplifies complex calculations like addition, subtraction, multiplication, and division of these dimensions, transforming your device into a powerful measurement tool.

Highlights
  • Feet, inch, fraction calculations
  • Conversions to various units
  • Triangle function for rise, run, diagonal, pitch
  • Dual modes for simple and complex problems
  • Selective keyboard orientation
  • Built-in math functions (sqrt, square, pi, percent)
Features
Read full description

PRO LEVEL [FOOT • INCH • FRACTION] CALCULATOR MACWORLD **** "inchCALC+'s ease of use coupled with its advanced features make this an uncommonly good addition to a crowded genre." 3/9/09 inchCALC+ is a State-of-the-Art Construction Calculator / Conversion Calculator for people who work with the FEET• INCH• FRACTION dimensions used on common rulers and tape measures. These dimensions are shear drudgery when you have to manually add or subtract them --- let alone multiply, divide or convert to other measurement units. If you are a builder, contractor, sub-contractor, architect, engineer, artist, designer, student, homemaker or DIYer, you know the importance of working with accurate dimensions. inchCALC+ transforms your iPhone / iPod Touch into a FT• IN• FRACTION construction calculator that inputs and outputs dimensions exactly as they appear on a tape measure. Dedicated and held construction calculators with similar functions are very expensive. With inchCALC+ you can inexpensively perform the functions of those calculators on your iPhone / iPod Touch. Easy conversions to other measurement units: -FT• IN • FRACTION -IN • FRACTION -decimal inches -decimal feet -millimeters -centimeters -meters -kilometers -acres -yards -miles Built-in TRIANGLE FUNCTION -- Enter any two & inchCALC+ automatically solves for the other two: -rise -run -diagonal -pitch Selective Keyboard Orientation for Left Handed or Right Handed users DUAL MODES: -inchCALC for quickly working with simple measurements -inchCALC+™ for working with more complex problem solving -Built-in Functions: √2, X2, π, %, +/- See further details & User Guide on our website below:

About

Scheffres+

Manage your laundry with ease at participating locations. This app lets you pay for cycles using Bluetooth, add credit to your account, and track your transaction history. Receive notifications when your laundry is done.

Highlights
  • Bluetooth machine control
  • In-app credit purchase
  • Transaction history
  • Machine availability view
  • Cycle completion alerts
  • QR code scanning
Features
Read full description

ATTENTION: Only for use in participating laundry locations. Scheffres Laundry is an iPhone application providing the easiest and smartest complete laundry solution. This app allows you to pay for laundry cycles from your account by using Bluetooth to communicate with the washer or dryer. Simply use Scheffres Laundry to purchase credit right from the app, then use that credit for your laundry. A full accounting is available to see your transaction purchase history. • Scan the QR code of your laundry room (one time process) • Start laundry machines via Bluetooth by scanning QR code on the machine • Check your card/account balance, and add value to your account for laundry. For participating laundry rooms, you can view machine availability as well as receive alerts when your laundry cycle is complete.

Screenshots

inchCALC+4 screens
Scheffres+4 screens

Verdict

The call

The clearest difference is price: Scheffres+ at Free against inchCALC+'s $4.99. Scheffres+ also leads on rating (4.8 vs 3.7) and ratings volume (606 vs 17). inchCALC+'s advantage is update cadence (every 2 months vs every 8 months) and iOS requirement (8.0 vs 10.0). On ads, in-app purchases 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

Scheffres+ is free to download; inchCALC+ costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Scheffres+ holds the better App Store score, 4.8 against 3.7. That said, the two scores are not equally well evidenced: Scheffres+ has 606 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 74% of inchCALC+'s written reviews are positive against 91% of Scheffres+'s.

UpkeepUpdate frequency

inchCALC+ ships an update every 2 months, Scheffres+ every 8 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

Scorecard7 real differences · 3 level
inchCALC+ versus Scheffres+: the parameters behind the verdict, then further details
ParameterinchCALC+Scheffres+
Price$4.99Free — better
Rating3.7 (17 ratings)4.8 (606 ratings) — better
Positive reviews74.4% of reviews90.6% of reviews — better
Number of ratings17606 — better
Update frequencyEvery 2 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS8.0 — better10.0
Further details — not scored
Size19 MB66 MB
Age rating4+4+
DeveloperRiver StudioKioSoft Technologies LLC

Customer experience

inchCALC+

All ratings17 ratings
Positive70.6%
Neutral0.0%
Negative29.4%
Written reviews82 reviews
Positive74.4%
Neutral6.1%
Negative19.5%

Scheffres+

All ratings605 ratings
Positive96.7%
Neutral2.5%
Negative0.8%
Written reviews127 reviews
Positive90.6%
Neutral4.7%
Negative4.7%

User reviews

inchCALC+

From 17 App Store ratings

What we love

  • 👍 Excellent for feet and inches calculations
  • 👍 Great for metric/imperial conversion
  • 👍 Practical and easy to use
  • 👍 Replaces expensive physical calculators
  • 👍 Smooth calculations and easy unit conversion

Room to improve

  • 🐛 Crashes on newer iOS versions
  • 🐛 Not worth the money compared to free apps
  • 🐛 Missing simple but crucial features
  • 🐛 Outdated UI, not optimized for modern screens
  • 🐛 Buttons too small on landscape screen

Scheffres+

From 606 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Convenient app features
  • 💰 Affordable pricing
  • 🔔 Helpful notifications
  • 🔄 Efficient washing/drying

Room to improve

  • 🐛 Unreliable machine connections
  • ⏱️ Inaccurate cycle time estimates
  • 💰 High costs for some users
  • 🕰️ Machines not always available

Bugs and requests

inchCALC+

Reported bugs

20 issues
  • Crashes on iOS 14.2
  • Does not recognize numbers 1, 2, 3 in landscape on mini2 retina
  • App freezes in landscape mode
  • Latest update does not download on iPhone 3GS
  • Not updated to fit any screen since iPhone 4
Show 15 more
  • Landscape view never starts up right on iPad
  • Blank borders on iPhone 6
  • Freezes in landscape mode
  • Crashing on 4.0
  • Right angle solver not great
  • Doesn't save in memory after closing
  • Always opens with a random number showing
  • Major bug: calc fix and stay after restarting
  • Rounding calculations with the 'diag' function
  • Pitch is read only in degrees
  • Cannot solve for RISE when RUN and PITCH are known
  • Area formulas are cut off at the bottom
  • Key lag
  • Key sound triggered by lifting finger, not initial touch
  • Slow flipping to advanced version with tilting

Requested features

28 requests
  • Add a tape-like function
  • Improve vertical calculator conversion settings
  • Add a history view option
  • Allow storing and further calculation with results
  • Add a backspace key
Show 23 more
  • Update UI for modern iOS versions
  • Optimize for larger screens (iPhone 6/6 Plus, iPad)
  • Add a desktop version
  • Add a CE (cancel entry) button in portrait mode
  • Allow pitch entry in inches/slope ratios, not just degrees
  • Add stair and roof functions
  • Add copy/paste function in display
  • Add constant storage or memory
  • Add ability to convert decimals to fractions and vice versa
  • Add clear entry for vertical calculator
  • Make buttons larger in horizontal mode
  • Add examples to website for complex calculations
  • Allow users to submit tips and tricks
  • Option to turn off key clicks or use standard iPhone click sound
  • Display remainder when dividing fractions or an 'R' indicator
  • Add a graph for pitch, rise, and run
  • Ability to convert from foot/inches to decimal without performing a calculation
  • Attach formulas to buttons with labels
  • Add more complicated formulas
  • Fix slow rotation between orientations
  • Fix scrolling to the bottom of information screens
  • Add area of circles or volumes of cylinders
  • Add intuitive interface for rafter diagonals

Scheffres+

Reported bugs

3 issues
  • Machines breaking down frequently
  • App not always syncing with machines
  • Incorrect charge deductions

Requested features

4 requests
  • Show machine availability status
  • Offer loyalty/incentive programs
  • Improve refund/repair process
  • Add in-app chat for coordination

In-app purchases

None

inchCALC+

No in-app purchases

None

Scheffres+

No in-app purchases

Questions

Is inchCALC+ free?
inchCALC+ costs $4.99, with no in-app purchases.
Is Scheffres+ free?
Scheffres+ is free to download, with no in-app purchases.
Which has better reviews, inchCALC+ or Scheffres+?
Scheffres+ is rated higher. inchCALC+ averages 3.7 out of 5 from 17 ratings, while Scheffres+ averages 4.8 from 606 ratings.
Do inchCALC+ or Scheffres+ have ads?
Neither inchCALC+ nor Scheffres+ shows ads.
Which is updated more often, inchCALC+ or Scheffres+?
inchCALC+ ships an update every 2 months, and Scheffres+ every 8 months. Most recently, inchCALC+ was updated on October 8, 2026 and Scheffres+ on October 13, 2026.

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