# Time Calc vs Flight parameters

The clearest difference is price: Time Calc at Free against Flight parameters's $2.99. Flight parameters's advantage is in-app purchases (none vs 4) and iOS requirement (15.4 vs 18.0). On update cadence, ads and device support there is nothing between them.

Time Calc is free to download; Flight parameters costs $2.99 up front. Time Calc sells 4 in-app purchases, starting at $2.99 per 7 days. Flight parameters asks for nothing beyond the download.

Time Calc ships an update monthly, Flight parameters every 3 weeks. The most recent releases landed on October 1, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Time Calc | Flight parameters |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (234 ratings)](https://appshunter.io/ios/app/time-calc-time-calculator/id1279195300/reviews)** | — |
| Number of ratings | **234** | — |
| Positive reviews | 42.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 10 MB | 1 MB |
| Requires iOS | 18.0 | **15.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ottorino Bruni](https://appshunter.io/developer/360574946) | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) |

## What reviewers say

### Time Calc

[App page](https://appshunter.io/ios/app/time-calc-time-calculator/id1279195300)

Easily add, subtract, and compare times with this intuitive calculator. Perfect for logging hours, tracking shifts, or planning projects, it handles hours, minutes, and seconds with precision. Convert results and sync across devices.

**Highlights:** Add, subtract, multiply, divide time, Calculate time differences, Add/subtract time from dates, Convert results to various units, Convert between decimal and HH:MM:SS, Save and share calculations, iCloud sync

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $2.99 | per 7 days |
| 1 Month | $4.99 | per month |
| 1 Year | $11.99 | per year |
| Forever | $29.99 | one-time |

**What reviewers like**

- 👍 Visual calculation aid
- 👍 Helpful for pilots
- 👍 Simple and fast
- 👍 Good for schoolwork
- 👍 Easy to use

**What reviewers complain about**

-  anúncios Pop-up ads
- 💰 Subscription required for basic functions
- 💸 Unreasonable cost for basic features
- 🚫 Free version is very limited
- 👎 No restore purchase option

**Reported bugs**

- Purchase not restoring after device change
- Cannot restore previous purchase
- Pop-up ads are irritating
- Free version doesn't work
- Purchase not restoring

**Requested features**

- Ad-free version option
- Option to negate inputting seconds
- Improve restore purchase functionality
- Fix night mode functionality
- Fix display of numbers before action


### Flight parameters

[App page](https://appshunter.io/ios/app/flight-parameters/id1623908949)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Time Calc free?

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

### Is Flight parameters free?

Flight parameters costs $2.99, with no in-app purchases.

### Do Time Calc or Flight parameters have ads?

Neither Time Calc nor Flight parameters shows ads.

### Which is updated more often, Time Calc or Flight parameters?

Time Calc ships an update monthly, and Flight parameters every 3 weeks. Most recently, Time Calc was updated on October 1, 2026 and Flight parameters on October 20, 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.*