# IE Calculator vs GembaDocs

The clearest difference is update cadence: GembaDocs at every 8 days against IE Calculator's every 10 months. GembaDocs also leads on ratings volume (209 vs 1). IE Calculator's advantage is iOS requirement (9.2 vs 15.1). On price, rating, ads and in-app purchases there is nothing between them.

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

IE Calculator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: GembaDocs has 209 ratings behind it against 1, so its average is the more settled of the two.

IE Calculator ships an update every 10 months, GembaDocs every 8 days. The most recent releases landed on October 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IE Calculator | GembaDocs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ie-calculator/id1455888355/reviews)** | [4.8 (209 ratings)](https://appshunter.io/ios/app/gembadocs/id1573218416/reviews) |
| Number of ratings | 1 | **209** |
| Positive reviews | — | 96.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 16 MB | 94 MB |
| Requires iOS | **9.2** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gustavo Sousa](https://appshunter.io/developer/1079985358) | [GEMBADOCS LIMITED](https://appshunter.io/developer/1758055553) |

## 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


### GembaDocs

[App page](https://appshunter.io/ios/app/gembadocs/id1573218416)

This app simplifies the creation and sharing of standard operating procedures (SOPs) and work instructions for frontline teams. It offers a quick, visual, and mobile-friendly way to document processes, ensuring consistency and productivity for manufacturing and shop floor environments.

**Highlights:** Quick SOP creation with photos, Mobile and desktop access, Clear visual SOP format, Real-time updates, Multi-language support, Audit-ready records, Kanban cards and skills matrices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Extremely easy to use
- 🚀 Fast SOP creation
- 💡 Innovative video SOP feature
- 👍 Simplifies lean process
- 👍 Great for inventory control

**What reviewers complain about**

- 🐛 Character limit too small

**Requested features**

- Improve sharing features


## Frequently asked questions

### Is IE Calculator free?

IE Calculator is free to download, with no in-app purchases.

### Is GembaDocs free?

GembaDocs is free to download, with no in-app purchases.

### Which has better reviews, IE Calculator or GembaDocs?

IE Calculator is rated higher. IE Calculator averages 5.0 out of 5 from 1 ratings, while GembaDocs averages 4.8 from 209 ratings.

### Do IE Calculator or GembaDocs have ads?

Neither IE Calculator nor GembaDocs shows ads.

### Which is updated more often, IE Calculator or GembaDocs?

IE Calculator ships an update every 10 months, and GembaDocs every 8 days. Most recently, IE Calculator was updated on October 11, 2026 and GembaDocs on November 3, 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.*