# ARTiTEX Time Study vs Mobile OTRS

The clearest difference is update cadence: Mobile OTRS at every 4 months against ARTiTEX Time Study's every 19 months. On price, ads, in-app purchases and device support there is nothing between them.

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

ARTiTEX Time Study ships an update every 19 months, Mobile OTRS every 4 months. The most recent releases landed on May 15, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ARTiTEX Time Study | Mobile OTRS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 4 months** |
| Size | 50 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artitex GmbH](https://appshunter.io/developer/1561004994) | [Broadleaf Co., Ltd.](https://appshunter.io/developer/871699416) |

## What reviewers say

### ARTiTEX Time Study

[App page](https://appshunter.io/ios/app/artitex-time-study/id1561004992)

**In-app purchases:** none


### Mobile OTRS

[App page](https://appshunter.io/ios/app/mobile-otrs/id1607244321)

**In-app purchases:** none


## Frequently asked questions

### Is ARTiTEX Time Study free?

ARTiTEX Time Study is free to download, with no in-app purchases.

### Is Mobile OTRS free?

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

### Do ARTiTEX Time Study or Mobile OTRS have ads?

Neither ARTiTEX Time Study nor Mobile OTRS shows ads.

### Which is updated more often, ARTiTEX Time Study or Mobile OTRS?

ARTiTEX Time Study ships an update every 19 months, and Mobile OTRS every 4 months. Most recently, ARTiTEX Time Study was updated on May 15, 2026 and Mobile OTRS on September 17, 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.*