# Production Time Study vs Mobile OTRS

The clearest difference is price: Mobile OTRS at Free against Production Time Study's $1.99. Production Time Study's advantage is chart position (#183 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Mobile OTRS is free to download; Production Time Study costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Production Time Study ships an update every 2 months, Mobile OTRS every 4 months. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Production Time Study | Mobile OTRS |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.6 (115 ratings)](https://appshunter.io/ios/app/production-time-study/id1079985359/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | — |
| Best chart rank | **#183** | — |
| Size | 1 MB | 23 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gustavo Sousa](https://appshunter.io/developer/1079985358) | [Broadleaf Co., Ltd.](https://appshunter.io/developer/871699416) |

## What reviewers say

### Production Time Study

[App page](https://appshunter.io/ios/app/production-time-study/id1079985359)

**Currently charting:** #183 Top Paid · Productivity (US App Store)

This app facilitates time studies for industrial activities, including cyclic and non-cyclic events. It offers a stopwatch function for precise measurements and detailed analysis of tasks, aiding in manual task analysis and machine cycle time verification.

**Highlights:** Record unstoppable cycle times, Easy time study editing, Include non-cyclic occurrences, Add comments for task elements, Email time study in HTML format, Save up to 6 time study records, Rate of performance calculation

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

**In-app purchases:** none


### Mobile OTRS

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

**In-app purchases:** none


## Frequently asked questions

### Is Production Time Study free?

Production Time Study costs $1.99, with no in-app purchases.

### Is Mobile OTRS free?

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

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

Neither Production Time Study nor Mobile OTRS shows ads.

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

Production Time Study ships an update every 2 months, and Mobile OTRS every 4 months. Most recently, Production Time Study was updated on September 8, 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.*