# Production Time Study vs C/T Pro by Kukiz

The clearest difference is price: C/T Pro by Kukiz at Free against Production Time Study's $1.99. C/T Pro by Kukiz also leads on update cadence (every 2 weeks vs every 2 months). Production Time Study's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On ads and device support there is nothing between them.

C/T Pro by Kukiz is free to download; Production Time Study costs $1.99 up front. C/T Pro by Kukiz sells 2 in-app purchases, starting at $7.99 per month. Production Time Study asks for nothing beyond the download.

Production Time Study ships an update every 2 months, C/T Pro by Kukiz every 2 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Production Time Study | C/T Pro by Kukiz |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.6 (116 ratings)](https://appshunter.io/ios/app/production-time-study/id1079985359/reviews)** | — |
| Number of ratings | **116** | — |
| Positive reviews | 92.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gustavo Sousa](https://appshunter.io/developer/1079985358) | [Krzysztof Kukiz](https://appshunter.io/developer/1597135082) |

## What reviewers say

### Production Time Study

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

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


### C/T Pro by Kukiz

[App page](https://appshunter.io/ios/app/ct-pro-by-kukiz/id6630380237)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $7.99 | per month |
| Pro Access | $79.99 | per year |


## Frequently asked questions

### Is Production Time Study free?

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

### Is C/T Pro by Kukiz free?

C/T Pro by Kukiz is free to download, with in-app purchases available.

### Do Production Time Study or C/T Pro by Kukiz have ads?

Neither Production Time Study nor C/T Pro by Kukiz shows ads.

### Which is updated more often, Production Time Study or C/T Pro by Kukiz?

Production Time Study ships an update every 2 months, and C/T Pro by Kukiz every 2 weeks. Most recently, Production Time Study was updated on October 29, 2026 and C/T Pro by Kukiz on October 25, 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.*