# Производственный календарь SJ vs Usiminas

The clearest difference is iOS requirement: Usiminas at 11.0 against Производственный календарь SJ's 15.6. On price, update cadence, 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.

Производственный календарь SJ ships an update every 3 months, Usiminas every 2 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Производственный календарь SJ | Usiminas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (65 ratings)](https://appshunter.io/ios/app/sj/id839988786/reviews)** | — |
| Number of ratings | **65** | — |
| Positive reviews | 77.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 18 MB | 47 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Superjob](https://appshunter.io/developer/648270045) | [Usinas Siderúrgicas de Minas Gerais S.A.](https://appshunter.io/developer/623394808) |

## What reviewers say

### Производственный календарь SJ

[App page](https://appshunter.io/ios/app/sj/id839988786)

This app serves as a planning tool for work, weekends, and holidays. It provides official labor time standards according to the Labor Code of the Russian Federation. Stay updated with the latest changes and plan your time effectively.

**Highlights:** Holiday tracking, Weekend planning, Workday navigation, Labor time standards, Official HR/Accounting tool

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### Usiminas

[App page](https://appshunter.io/ios/app/usiminas-extranet-mobile/id1662385060)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Производственный календарь SJ free?

Производственный календарь SJ is free to download, with no in-app purchases.

### Is Usiminas free?

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

### Do Производственный календарь SJ or Usiminas have ads?

Neither Производственный календарь SJ nor Usiminas shows ads.

### Which is updated more often, Производственный календарь SJ or Usiminas?

Производственный календарь SJ ships an update every 3 months, and Usiminas every 2 months. Most recently, Производственный календарь SJ was updated on November 1, 2026 and Usiminas on October 27, 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.*