# Workover Assistant vs TimeCalc

The clearest difference is rating: Workover Assistant at 5.0 against TimeCalc's 4.5. Workover Assistant also leads on in-app purchases (none vs 4) and ads (none vs shown). TimeCalc's advantage is update cadence (every 5 weeks vs every 58 months) and ratings volume (89 vs 2). On price, device support and iOS requirement there is nothing between them.

Both are free to download. TimeCalc sells 4 in-app purchases, starting at $0.99 per month. Workover Assistant asks for nothing beyond the download.

Workover Assistant holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: TimeCalc has 89 ratings behind it against 2, so its average is the more settled of the two.

Workover Assistant ships an update every 58 months, TimeCalc every 5 weeks. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Workover Assistant | TimeCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/workover-assistant/id1117692519/reviews)** | [4.5 (89 ratings)](https://appshunter.io/ios/app/timecalc-time-calculator/id1369060155/reviews) |
| Number of ratings | 2 | **89** |
| Positive reviews | — | 78.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 58 months | **Every 5 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 37 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelly Gayneaux](https://appshunter.io/developer/1082576429) | [Ha Thanh](https://appshunter.io/developer/1369060154) |

## What reviewers say

### Workover Assistant

[App page](https://appshunter.io/ios/app/workover-assistant/id1117692519)

This utility app assists oil and gas field personnel with essential calculations for well workovers. It provides tools for hydrostatic pressure, internal capacity, and other critical functions, serving as a convenient resource for rig site or office use.

**Highlights:** Hydrostatic pressure calculations, Internal capacity calculations, Oil and gas well workover tools, Rig site and office utility, Accurate field calculations

**Features:** macOS Compatibility

**In-app purchases:** none


### TimeCalc

[App page](https://appshunter.io/ios/app/timecalc-time-calculator/id1369060155)

This app accurately calculates time-related tasks, including working hours, durations between dates, and age. It offers a user-friendly interface with dark mode and offline functionality, allowing for easy time management for work and personal life.

**Highlights:** Calculate working hours, Calculate time between two points, Add and subtract time, Calculate age, Convert time units, Export calculations to PDF

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription 1 month | $0.99 | per month |
| Premium subscription 3 month | $1.99 | per 3 months |
| Premium subscription 1 year | $4.99 | per year |
| Premium | $14.99 | one-time |


## Frequently asked questions

### Is Workover Assistant free?

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

### Is TimeCalc free?

TimeCalc is free to download, with in-app purchases available.

### Which has better reviews, Workover Assistant or TimeCalc?

Workover Assistant is rated higher. Workover Assistant averages 5.0 out of 5 from 2 ratings, while TimeCalc averages 4.5 from 89 ratings.

### Do Workover Assistant or TimeCalc have ads?

TimeCalc shows ads; Workover Assistant does not.

### Which is updated more often, Workover Assistant or TimeCalc?

Workover Assistant ships an update every 58 months, and TimeCalc every 5 weeks. Most recently, Workover Assistant was updated on October 4, 2026 and TimeCalc on October 15, 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.*