# TimeCalc vs DrillOut Calcs

The clearest difference is rating: DrillOut Calcs at 5.0 against TimeCalc's 4.5. DrillOut Calcs also leads on in-app purchases (none vs 4) and ads (none vs shown). TimeCalc's advantage is ratings volume (91 vs 2) and iOS requirement (15.1 vs 18.5). On price, update cadence and device support there is nothing between them.

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

DrillOut Calcs holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: TimeCalc has 91 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 79% of TimeCalc's written reviews are positive against 100% of DrillOut Calcs's.

TimeCalc ships an update every 5 weeks, DrillOut Calcs every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TimeCalc | DrillOut Calcs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (91 ratings)](https://appshunter.io/ios/app/timecalc-time-calculator/id1369060155/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/drillout-calcs/id6754534235/reviews)** |
| Number of ratings | **91** | 2 |
| Positive reviews | 78.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 3 MB |
| Requires iOS | **15.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ha Thanh](https://appshunter.io/developer/1369060154) | [Cody Martin](https://appshunter.io/developer/1796736420) |

## What reviewers say

### 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 |


### DrillOut Calcs

[App page](https://appshunter.io/ios/app/drillout-calcs/id6754534235)

This app offers essential calculations for oilfield professionals performing post-frac plug drill-outs. It provides quick and accurate tools to verify flow balance, annular velocity, sweep efficiency, and surface return timing in real time, designed for simplicity and speed.

**Highlights:** Post-frac plug drill-out calculations, Flow balance verification, Annular velocity calculation, Sweep efficiency assessment, Surface return timing, Real-time data verification

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

**In-app purchases:** none


## Frequently asked questions

### Is TimeCalc free?

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

### Is DrillOut Calcs free?

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

### Which has better reviews, TimeCalc or DrillOut Calcs?

DrillOut Calcs is rated higher. TimeCalc averages 4.5 out of 5 from 91 ratings, while DrillOut Calcs averages 5.0 from 2 ratings.

### Do TimeCalc or DrillOut Calcs have ads?

TimeCalc shows ads; DrillOut Calcs does not.

### Which is updated more often, TimeCalc or DrillOut Calcs?

TimeCalc ships an update every 5 weeks, and DrillOut Calcs every 3 weeks. Most recently, TimeCalc was updated on November 2, 2026 and DrillOut Calcs on October 30, 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.*