# Flight Calcs vs Oji Secure

The clearest difference is in-app purchases: Oji Secure at none against Flight Calcs's 2. Oji Secure also leads on iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Flight Calcs sells 2 in-app purchases, starting at $1.99 per month. Oji Secure asks for nothing beyond the download.

## The numbers

| Metric | Flight Calcs | Oji Secure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flight-calcs-pilot-e6b-tools/id444281468/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 38 MB | 171 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Verosocial Studio](https://appshunter.io/developer/354566841) | [Proteck Global SINGH](https://appshunter.io/developer/1489853500) |

## What reviewers say

### Flight Calcs

[App page](https://appshunter.io/ios/app/flight-calcs-pilot-e6b-tools/id444281468)

This app provides pilots with essential flight calculation tools for logging time, planning routes, and performing preflight checks. It offers accurate, real-world aviation calculations with familiar terminology and unit conventions.

**Highlights:** Pilot time logging and summing, Flight block/duty time calculation, Time-Speed-Distance (TSD) calculations, Wind component and True Airspeed (TAS) resolution, Density altitude computation, Fuel burn estimation, Weight and balance verification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PilotCalculators pro monthly | $1.99 | per month |
| Pilot Calculators pro lifetime | $14.99 | one-time |


### Oji Secure

[App page](https://appshunter.io/ios/app/oji-secure/id6636537149)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flight Calcs free?

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

### Is Oji Secure free?

Oji Secure is free to download, with no in-app purchases.

### Do Flight Calcs or Oji Secure have ads?

Neither Flight Calcs nor Oji Secure shows ads.

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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.*