Comparison

IE Calculator vs WorkStudy+ 7 for Time Study

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

Head to head
About

IE Calculator

This app assists industrial engineers with manufacturing planning by providing tools for production capacity, takt time, and job efficiency calculations. It supports various demand frequencies and helps determine the time needed per unit.

Highlights
  • Production Capacity Calculation
  • Takt Time Calculation
  • Actual Jobs Per Hour (JPH)
  • Hours Per Unit (HPU) Calculation
  • Support for various demand frequencies
Features
Read full description

IE Calculator is an application designed for Industrial Engineering that allows easy calculation to support the manufacturing planning. After setting the working pattern you are able to make the following calculations: - Production Capacity based on the cycle time or Jobs Per Hour(JPH). - Takt Time according to the volume demand. It can be yearly, monthly, weekly, daily or hourly demand. - Actual JPH(Jobs Per Hour) based on the start time and the end time. - HPU(Hours Per Unit) - The time required to produce one unit in the manufacturing process. I hope you enjoy the app. Gustavo Sousa, App Developer and Industrial Engineer with broad experience in the automotive industry. Email Contact: gustavoy@gmail.com

About

WorkStudy+ 7 for Time Study

This app facilitates time study and work sampling data collection for industrial engineers and data collectors. It offers intuitive yet powerful features for managing complex studies, tracking various data points, and generating statistical insights directly on your device.

Highlights
  • Create and edit unlimited study files
  • Time study multiple subjects simultaneously
  • Visually identify and organize elements
  • Automate data collection with 'Action' elements
  • Track value-added and non-value-added time
  • Generate statistical reports on device
Features
Read full description

WorkStudy+ is the right solution for all of your time study and work sampling data collection projects. It is used by thousands of industrial engineers and time study data collectors worldwide, and is now available free for personal and educational use on iOS devices. WorkStudy+ has been designed to be easy and intuitive to learn and work with, yet powerful enough to handle data collection projects of any complexity. Here are just some of the features that make WorkStudy+ the best tool for all your time study and sampling data collection needs: - Create and edit any number of time study and sampling study files on the device - Share existing study files between devices easily via e-mail, or cloud storage apps - Time study multiple subjects at the same time - Assign meaningful names and descriptions to your elements - Visually identify individual elements/tasks by configuring display colors, fonts and layout of your element lists - Organize elements/tasks and element groups within element lists in a hierarchical fashion - Create ‘Action’ elements to automate parts of your data collection process - Work easily even with complex studies containing 1,000s of elements/tasks and 1,000s of observations - Automate selection of successive elements/tasks for repetitive studies - Track numeric values, individual job cycles and delay type elements - Track value added and non-value added time for lean analysis - Performance rate (speed rate) individual observations - Scratch unwanted study observations - Enter verbose comments for individual observations, work cycles or study subjects - Interrupt and resume any observation - Set up custom user-defined fields for recording of extra information for study, cycle or observation data - View summary and detailed statistical information during or after completion of your study, right on your device - Enter post study comments upon completion of a study - View your study data in any one of 5 different time formats - Choose desired % error and confidence % to customize your statistical results - Use the built-in random or rapid sampling timers for performing random sampling studies WorkStudy+ also comes with a professional add-on application for generating powerful and customizable statistical reports in Microsoft Excel, as well as powerful creation and editing of study files on PCs. This add-on application is not required for use of WorkStudy+ on your iOS device. WorkStudy+ is the one professional and versatile tool that no industrial engineer or time study data collector should be without! Download the free app today!

Screenshots

IE Calculator4 screens
WorkStudy+ 7 for Time Study3 screens

Verdict

The call

The clearest difference is iOS requirement: IE Calculator at 9.2 against WorkStudy+ 7 for Time Study's 15.6. On price, rating, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for IE Calculator against 5.0 for WorkStudy+ 7 for Time Study. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

IE Calculator ships an update every 10 months, WorkStudy+ 7 for Time Study every 13 months. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

Scorecard1 real difference · 8 level
IE Calculator versus WorkStudy+ 7 for Time Study: the parameters behind the verdict, then further details
ParameterIE CalculatorWorkStudy+ 7 for Time Study
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 10 months — betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.2 — better15.6
Further details — not scored
Size16 MB5 MB
Age rating4+4+
DeveloperGustavo SousaQuetech Ltd.

Customer experience

IE Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

WorkStudy+ 7 for Time Study

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

IE Calculator

No in-app purchases

None

WorkStudy+ 7 for Time Study

No in-app purchases

Questions

Is IE Calculator free?
IE Calculator is free to download, with no in-app purchases.
Is WorkStudy+ 7 for Time Study free?
WorkStudy+ 7 for Time Study is free to download, with no in-app purchases.
Which has better reviews, IE Calculator or WorkStudy+ 7 for Time Study?
IE Calculator and WorkStudy+ 7 for Time Study are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do IE Calculator or WorkStudy+ 7 for Time Study have ads?
Neither IE Calculator nor WorkStudy+ 7 for Time Study shows ads.
Which is updated more often, IE Calculator or WorkStudy+ 7 for Time Study?
IE Calculator ships an update every 10 months, and WorkStudy+ 7 for Time Study every 13 months. Most recently, IE Calculator was updated on October 11, 2026 and WorkStudy+ 7 for Time Study on October 20, 2026.

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