# IE Calculator vs WorkStudy+ 7 for Time Study

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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.

## The numbers

| Metric | IE Calculator | WorkStudy+ 7 for Time Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/ie-calculator/id1455888355/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/workstudy-plus-7-for-time-study/id1603247397/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 13 months |
| Monetization | Free | Free |
| Size | 16 MB | 5 MB |
| Requires iOS | **9.2** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gustavo Sousa](https://appshunter.io/developer/1079985358) | [Quetech Ltd.](https://appshunter.io/developer/579185279) |

## What reviewers say

### IE Calculator

[App page](https://appshunter.io/ios/app/ie-calculator/id1455888355)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WorkStudy+ 7 for Time Study

[App page](https://appshunter.io/ios/app/workstudy-plus-7-for-time-study/id1603247397)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*